Re: [IRCA] SDR Question

[Russ Edmunds]

I'm using the RSP1a, and I have two of them to cover more of the FM band. It's 
been fine for FM and 90% fine for MW/LW. RSP2 doesn't offer the width I need 
for FM. Elad or Perseus are out of the question cost-wise. I can only use MW/LW 
at our annual DXpedition due to proximity to strong locals, high noise level 
and terrible tree placement, so my primary use is FM.


Russ Edmunds

WB2BJH

Blue Bell, PA

Grid FN20id


From: IRCA  on behalf of Chuck Hutton 

Sent: Thursday, January 10, 2019 8:03:44 PM
To: Mailing list for the International Radio Club of America
Subject: Re: [IRCA] SDR Question

Russ:

I wouldn't use the RSP1. It's better than the cheap 8 bit dongles but miles 
short of the Perseus, HF+  and Elad offerings.
The RSP1A is better and might suffice for some DXers but still is not top of 
the line.
The SDRUno software is fairly nice.
The chief advantage if the RSPs is price. However, the HF+ is just a little 
more and is the best receiver out there in my mind. If it recorded the whole MW 
band and had a recording scheduler, it would have no serious holes.

Chuck

From: IRCA  on behalf of Russ Edmunds 

Sent: Thursday, January 10, 2019 3:49 PM
To: nrc...@googlegroups.com; 'Mailing list for the International Radio Club of 
America'
Subject: [IRCA] SDR Question


Since many DX'ers are now using SDR's, I wonder if anyone else is using the 
SDRPlay RSP1 or 1a for MW and LW. If anyone has been using these, and would be 
interested in sharing their experiences and answering a couple of questions, 
please contact me off-list.


Thanks-


Russ Edmunds

WB2BJH

Blue Bell, PA

Grid FN20id


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Re: [IRCA] SDR Question

[Chuck Hutton]

Russ:

I wouldn't use the RSP1. It's better than the cheap 8 bit dongles but miles 
short of the Perseus, HF+  and Elad offerings.
The RSP1A is better and might suffice for some DXers but still is not top of 
the line.
The SDRUno software is fairly nice.
The chief advantage if the RSPs is price. However, the HF+ is just a little 
more and is the best receiver out there in my mind. If it recorded the whole MW 
band and had a recording scheduler, it would have no serious holes.

Chuck

From: IRCA  on behalf of Russ Edmunds 

Sent: Thursday, January 10, 2019 3:49 PM
To: nrc...@googlegroups.com; 'Mailing list for the International Radio Club of 
America'
Subject: [IRCA] SDR Question


Since many DX'ers are now using SDR's, I wonder if anyone else is using the 
SDRPlay RSP1 or 1a for MW and LW. If anyone has been using these, and would be 
interested in sharing their experiences and answering a couple of questions, 
please contact me off-list.


Thanks-


Russ Edmunds

WB2BJH

Blue Bell, PA

Grid FN20id


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[IRCA] SDR Question

[Russ Edmunds]

Since many DX'ers are now using SDR's, I wonder if anyone else is using the 
SDRPlay RSP1 or 1a for MW and LW. If anyone has been using these, and would be 
interested in sharing their experiences and answering a couple of questions, 
please contact me off-list.


Thanks-


Russ Edmunds

WB2BJH

Blue Bell, PA

Grid FN20id


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[IRCA] SDR Recordings available

[jniven]

Please find for your DXing enjoyment, SDR recordings I made last night at
8pm from home base using a ELAD FDM-S2 SDR with SDR Console V3 software.
The antenna here is a 140 foot DKAZ at 120degrees. I thought some other
locations may like to experience dxing radio conditions from Central Texas
east of Austin.

 
https://mega.nz/#F!3TZ2lCDT!E9-S6_kMw2zVxlepIPxv1w

Feedback is welcome!

 

James Niven

Austin, Texas

 



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Re: [IRCA] SDR ELAD Recordings

[jniven]

Venezuela & Columbia general direction!

James Niven
Austin, Texas

-Original Message-
From: IRCA  On Behalf Of ken brookner
Sent: Saturday, September 1, 2018 9:43 AM
To: Mailing list for the International Radio Club of America

Subject: Re: [IRCA] SDR ELAD Recordings

Hi James..

Where was your bog aimed to?

Thanks
Ken

Lummi Island, WA

jni...@austin.rr.com wrote on 8/31/2018 5:07 PM:
> Please find for your listening pleasure the following recording made 
> using an ELAD SDR FDM-S2 on 1200 foot BOG antenna.
>
> This was made from Corpus Christi on October 16th 2016 at 9:58pm local 
> time
>
>   
>
> https://www.dropbox.com/s/l2b8xw3eux7qpry/2016_10_16_02_58_00_FDMSW1_R
> ec_RF_
> 000.zip?dl=0
>
>   
>
> I will have it up for 1 week and I will remove it from the dropbox and 
> replace with another recording.
>
> Enjoy!
>
>   
>
> James Niven
>
> Austin, Texas
>

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Re: [IRCA] SDR ELAD Recordings

[ken brookner]

Hi James..

Where was your bog aimed to?

Thanks
Ken

Lummi Island, WA

jni...@austin.rr.com wrote on 8/31/2018 5:07 PM:

Please find for your listening pleasure the following recording made using
an ELAD SDR FDM-S2 on 1200 foot BOG antenna.

This was made from Corpus Christi on October 16th 2016 at 9:58pm local time

  


https://www.dropbox.com/s/l2b8xw3eux7qpry/2016_10_16_02_58_00_FDMSW1_Rec_RF_
000.zip?dl=0

  


I will have it up for 1 week and I will remove it from the dropbox and
replace with another recording.

Enjoy!

  


James Niven

Austin, Texas



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Re: [IRCA] SDR ELAD Recordings

[jniven]

Yes, I love the SDR Console, I use this pretty much every night for
recording from the ELAD.
It does support a number of SDR receivers as well.

James Niven
Austin, Texas

-Original Message-
From: IRCA  On Behalf Of Chuck Hutton
Sent: Saturday, September 1, 2018 12:53 AM
To: Mailing list for the International Radio Club of America

Subject: Re: [IRCA] SDR ELAD Recordings


And someone needs to mention that  SDR Radio (Simon Brown) supports the Elad
family (and much more) in his SDR Console.
Some might argue, but I guess it supports more radios and does more things
than any other program.

Chuck


From: IRCA  on behalf of Nick Hall-Patch

Sent: Friday, August 31, 2018 10:29 PM
To: Mailing list for the International Radio Club of America
Subject: Re: [IRCA] SDR ELAD Recordings

Oddly, SpectraVue from RFSpace
(http://www.rfspace.com/RFSPACE/SpectraVue.html)
SpectraVue™ Software -
rfspace.com<http://www.rfspace.com/RFSPACE/SpectraVue.html>
www.rfspace.com
Release Notes version 3.39: 1. Fixed external radio UART issues and S-meter
problems. 2. Included latest firmware for all RFSPACE radios. SpectraVue
version 3.39 Download



also plays back ELAD recordings.

best wishes,

Nick

At 02:53 2018-09-01, Bruce Portzer wrote:

>ELAD recordings can also be replayed using HDSDR, SDR Console, Studio 
>One and probably a few others. There's a learning curve for all of 
>them.  HDSDR is probably the easiest to figure out.  Studio One needs 
>to be purchased before you can use it, the others are free.
>Bruce
>
>On 8/31/2018 19:26, Chuck Reh wrote:
>>The ELAD software is free. You'll be able to play the wav file but 
>>won't be able to use the radio features without the ELAD hardware. Get 
>>the 3_019_FDM-SW2_Complete_(first_installation_run_setup.exe).
>
>>http://sdr.eladit.com/FDM-sw2%20Software/index.php?lang=EN
>
>
>>-Original Message-
>>From: IRCA  On Behalf Of R. Colin 
>>Newell
>>Sent: Friday, August 31, 2018 9:11 PM
>>To: Mailing list for the International Radio Club of America 
>>
>>Subject: Re: [IRCA] SDR ELAD Recordings
>
>>Which APP would you suggest for opening your SDR files?
>
>>Colin Newell - Victoria - B.C. CANADA -
>
>>>On Aug 31, 2018, at 5:22 PM, Chuck Reh  wrote:
>>>
>>>James .. Any certain frequency we should check?
>>>
>>>
>>>
>>>
>>>To Post a message: irca@hard-core-dx.com
>
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>IRCA, its editors, publishing staff, or officers
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>
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Nick Hall-Patch
Victoria, BC
Canada

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Re: [IRCA] SDR ELAD Recordings

[Chuck Hutton]

And someone needs to mention that  SDR Radio (Simon Brown) supports the Elad 
family (and much more) in his SDR Console.
Some might argue, but I guess it supports more radios and does more things than 
any other program.

Chuck


From: IRCA  on behalf of Nick Hall-Patch 

Sent: Friday, August 31, 2018 10:29 PM
To: Mailing list for the International Radio Club of America
Subject: Re: [IRCA] SDR ELAD Recordings

Oddly, SpectraVue from RFSpace
(http://www.rfspace.com/RFSPACE/SpectraVue.html)
SpectraVue™ Software - 
rfspace.com<http://www.rfspace.com/RFSPACE/SpectraVue.html>
www.rfspace.com
Release Notes version 3.39: 1. Fixed external radio UART issues and S-meter 
problems. 2. Included latest firmware for all RFSPACE radios. SpectraVue 
version 3.39 Download



also plays back ELAD recordings.

best wishes,

Nick

At 02:53 2018-09-01, Bruce Portzer wrote:

>ELAD recordings can also be replayed using
>HDSDR, SDR Console, Studio One and probably a
>few others. There's a learning curve for all of
>them.  HDSDR is probably the easiest to figure
>out.  Studio One needs to be purchased before
>you can use it, the others are free.
>Bruce
>
>On 8/31/2018 19:26, Chuck Reh wrote:
>>The ELAD software is free. You'll be able to play the wav file but won't be
>>able to use the radio features without the ELAD hardware. Get the
>>3_019_FDM-SW2_Complete_(first_installation_run_setup.exe).
>
>>http://sdr.eladit.com/FDM-sw2%20Software/index.php?lang=EN
>
>
>>-Original Message-
>>From: IRCA  On Behalf Of R. Colin Newell
>>Sent: Friday, August 31, 2018 9:11 PM
>>To: Mailing list for the International Radio Club of America
>>
>>Subject: Re: [IRCA] SDR ELAD Recordings
>
>>Which APP would you suggest for opening your SDR files?
>
>>Colin Newell - Victoria - B.C. CANADA -
>
>>>On Aug 31, 2018, at 5:22 PM, Chuck Reh  wrote:
>>>
>>>James .. Any certain frequency we should check?
>>>
>>>
>>>
>>>
>>>To Post a message: irca@hard-core-dx.com
>
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>list are those of the original contributors and
>do not necessarily reflect the opinion of the
>IRCA, its editors, publishing staff, or officers
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>
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Nick Hall-Patch
Victoria, BC
Canada

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Re: [IRCA] SDR ELAD Recordings

[Nick Hall-Patch]

Oddly, SpectraVue from RFSpace 
(http://www.rfspace.com/RFSPACE/SpectraVue.html) 
also plays back ELAD recordings.


best wishes,

Nick

At 02:53 2018-09-01, Bruce Portzer wrote:

ELAD recordings can also be replayed using 
HDSDR, SDR Console, Studio One and probably a 
few others. There's a learning curve for all of 
them.  HDSDR is probably the easiest to figure 
out.  Studio One needs to be purchased before 
you can use it, the others are free.

Bruce

On 8/31/2018 19:26, Chuck Reh wrote:

The ELAD software is free. You'll be able to play the wav file but won't be
able to use the radio features without the ELAD hardware. Get the
3_019_FDM-SW2_Complete_(first_installation_run_setup.exe).



http://sdr.eladit.com/FDM-sw2%20Software/index.php?lang=EN




-Original Message-
From: IRCA  On Behalf Of R. Colin Newell
Sent: Friday, August 31, 2018 9:11 PM
To: Mailing list for the International Radio Club of America

Subject: Re: [IRCA] SDR ELAD Recordings



Which APP would you suggest for opening your SDR files?



Colin Newell - Victoria - B.C. CANADA -



On Aug 31, 2018, at 5:22 PM, Chuck Reh  wrote:

James .. Any certain frequency we should check?




To Post a message: irca@hard-core-dx.com


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Canada 


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Re: [IRCA] SDR ELAD Recordings

[Mark Connelly via IRCA]

--- Begin Message ---

 Thanks James for sharing.  What we have in common are the Cubans which are 
quite pesty on both your end and here.


The recording is of historical interest too.  Many Mexican stations, likely 
including some in your capture, are migrating to FM, vacating AM.


Mark Connelly, WA1ION
South Yarmouth, MA

 

-Original Message-
From: jniven 
To: 'Mailing list for the International Radio Club of America' 
; nrc-am 
Cc: 'Mark Connelly' 
Sent: Fri, Aug 31, 2018 8:08 pm
Subject: SDR ELAD Recordings



Please find for your listening pleasure the following recording made using an 
ELAD SDR FDM-S2 on 1200 foot BOG antenna.
This was made from Corpus Christi on October 16th 2016 at 9:58pm local time
 
https://www.dropbox.com/s/l2b8xw3eux7qpry/2016_10_16_02_58_00_FDMSW1_Rec_RF_000.zip?dl=0
 
I will have it up for 1 week and I will remove it from the dropbox and replace 
with another recording.
Enjoy!
 
James Niven
Austin, Texas
 











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Re: [IRCA] SDR ELAD Recordings

[Bruce Portzer]

ELAD recordings can also be replayed using HDSDR, SDR Console, Studio 
One and probably a few others. There's a learning curve for all of 
them.  HDSDR is probably the easiest to figure out.  Studio One needs to 
be purchased before you can use it, the others are free.

Bruce

On 8/31/2018 19:26, Chuck Reh wrote:

The ELAD software is free. You'll be able to play the wav file but won't be
able to use the radio features without the ELAD hardware. Get the
3_019_FDM-SW2_Complete_(first_installation_run_setup.exe).

http://sdr.eladit.com/FDM-sw2%20Software/index.php?lang=EN


-Original Message-
From: IRCA  On Behalf Of R. Colin Newell
Sent: Friday, August 31, 2018 9:11 PM
To: Mailing list for the International Radio Club of America

Subject: Re: [IRCA] SDR ELAD Recordings

Which APP would you suggest for opening your SDR files?

Colin Newell - Victoria - B.C. CANADA -


On Aug 31, 2018, at 5:22 PM, Chuck Reh  wrote:

James .. Any certain frequency we should check?




To Post a message: irca@hard-core-dx.com


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Re: [IRCA] SDR ELAD Recordings

[Chuck Reh]

The ELAD software is free. You'll be able to play the wav file but won't be
able to use the radio features without the ELAD hardware. Get the
3_019_FDM-SW2_Complete_(first_installation_run_setup.exe).

http://sdr.eladit.com/FDM-sw2%20Software/index.php?lang=EN


-Original Message-
From: IRCA  On Behalf Of R. Colin Newell
Sent: Friday, August 31, 2018 9:11 PM
To: Mailing list for the International Radio Club of America

Subject: Re: [IRCA] SDR ELAD Recordings

Which APP would you suggest for opening your SDR files? 

Colin Newell - Victoria - B.C. CANADA -

> On Aug 31, 2018, at 5:22 PM, Chuck Reh  wrote:
> 
> James .. Any certain frequency we should check?
> 
> 
> 
> 
> To Post a message: irca@hard-core-dx.com
> 
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Re: [IRCA] SDR ELAD Recordings

[R. Colin Newell]

Which APP would you suggest for opening your SDR files? 

Colin Newell - Victoria - B.C. CANADA -

> On Aug 31, 2018, at 5:22 PM, Chuck Reh  wrote:
> 
> James .. Any certain frequency we should check?
> 
> 
> 
> 
> To Post a message: irca@hard-core-dx.com
> 
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Re: [IRCA] SDR ELAD Recordings

[jniven]

Chuck,

No, just enjoy listening from Radio in Texas if you have not experienced
this.
There are all sorts of interesting stations there.
I am just sharing as others have shared their own recordings.

James Niven
Austin, Texas

-Original Message-
From: IRCA  On Behalf Of Chuck Reh
Sent: Friday, August 31, 2018 7:23 PM
To: 'Mailing list for the International Radio Club of America'

Subject: Re: [IRCA] SDR ELAD Recordings

James .. Any certain frequency we should check?


-Original Message-
From: IRCA  On Behalf Of jni...@austin.rr.com
Sent: Friday, August 31, 2018 8:08 PM
To: 'Mailing list for the International Radio Club of America'
; nrc...@googlegroups.com
Cc: 'Mark Connelly' 
Subject: [IRCA] SDR ELAD Recordings

Please find for your listening pleasure the following recording made using
an ELAD SDR FDM-S2 on 1200 foot BOG antenna.

This was made from Corpus Christi on October 16th 2016 at 9:58pm local time

 

https://www.dropbox.com/s/l2b8xw3eux7qpry/2016_10_16_02_58_00_FDMSW1_Rec_RF_
000.zip?dl=0

 

I will have it up for 1 week and I will remove it from the dropbox and
replace with another recording.

Enjoy!

 

James Niven

Austin, Texas

 



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Re: [IRCA] SDR ELAD Recordings

[Chuck Reh]

James .. Any certain frequency we should check?


-Original Message-
From: IRCA  On Behalf Of jni...@austin.rr.com
Sent: Friday, August 31, 2018 8:08 PM
To: 'Mailing list for the International Radio Club of America'
; nrc...@googlegroups.com
Cc: 'Mark Connelly' 
Subject: [IRCA] SDR ELAD Recordings

Please find for your listening pleasure the following recording made using
an ELAD SDR FDM-S2 on 1200 foot BOG antenna.

This was made from Corpus Christi on October 16th 2016 at 9:58pm local time

 

https://www.dropbox.com/s/l2b8xw3eux7qpry/2016_10_16_02_58_00_FDMSW1_Rec_RF_
000.zip?dl=0

 

I will have it up for 1 week and I will remove it from the dropbox and
replace with another recording.

Enjoy!

 

James Niven

Austin, Texas

 



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[IRCA] SDR ELAD Recordings

[jniven]

Please find for your listening pleasure the following recording made using
an ELAD SDR FDM-S2 on 1200 foot BOG antenna.

This was made from Corpus Christi on October 16th 2016 at 9:58pm local time

 

https://www.dropbox.com/s/l2b8xw3eux7qpry/2016_10_16_02_58_00_FDMSW1_Rec_RF_
000.zip?dl=0

 

I will have it up for 1 week and I will remove it from the dropbox and
replace with another recording.

Enjoy!

 

James Niven

Austin, Texas

 



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[IRCA] SDR review articles

[Mark Pettifor]

Maybe a little off-topic, but I'm wondering if there are any good, 
recent "SDR Shootout" type articles that cover the most widely used SDR 
radios. Also it would be nice if software is covered as well.


Anyone know of anything recent? I've searched online for some, but all I 
could find are ones that are 3 or 4 years old, which in technology terms 
is not very recent.


The RadioReference forum has a pretty good and extensive SDR section, 
but I'm looking for something more like an article that I can print out 
for some family and friends who are interested in getting an overview of 
what's available and then maybe jumping in and getting started with an 
SDR radio.


Thanks!

Mark Pettifor
Goshen, IN
KC9DOC
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Re: [IRCA] SDR Recordings

[James Niven]

Brian, 

Thanks for the reply and outlining your approach to SDR Recordings, pretty
interesting you double what most do, but I understand why.
I use Total Recorder to edit/Filter audio of interesting catches.

Thanks


James Niven
Austin, Texas

-Original Message-
From: IRCA [mailto:irca-boun...@hard-core-dx.com] On Behalf Of Brian
Rachford
Sent: Monday, September 21, 2015 8:34 PM
To: Mailing list for the International Radio Club of America
Subject: Re: [IRCA] SDR Recordings

Unfortunately, there doesn't seem to be a magic bullet for this.  I actually
record more than most, :58:00 to :06:40 just in case a station is quite late
or the possibility of catching something after network news.
Also, for XE stations that give a full ident after playing a long version of
the Mexican national anthem at a particular TOH.  But, I usually don't have
to go beyond the TOH to see if there is something interesting.  If I get a
new station or a better quality ident in the raw file, I stop and "record"
to an audio file and edit/filter it in Audacity.  So, if I have a good TOH,
it can take an hour or more to go through it.  If not, it can be much less
as I rapidly flick through the usual warhorses.  Listening to every single
second of every single channel in a TOH recording is not even in the
ballpark of what one actually needs to do in a routine situation.

My solution (so far) is to not record all the time, as much as I might want
to.  Right now, most of my TOH recordings are a byproduct of recording
several hours up to sunrise to monitor trans-Pacific reception.  I can't
leave out any of my primary antennas 24/7 due to blocking the driveway or
fragility of the antenna.  So, if I don't feel like setting up or think I
will be rushed in the morning in trying to take it down, I don't record.

Brian Rachford - Prescott, AZ
azswdx...@gmail.com
http://azswdxing.wordpress.com/

On Mon, Sep 21, 2015 at 7:23 AM, <jni...@austin.rr.com> wrote:

> Hello,
>
> I am just curious how other SDR users approach their overnight 
> recordings from a home location.
>
> My present approach is I record the AM band 2 minutes before the hour 
> and
> 2 minutes past the hour from 10pm to 5am. I am finding its a long 
> process to get through the recordings, I am already 4 months behind in 
> my recordings but I am not complaining. My question is, "What approach 
> are others following that allows them to get through their recordings 
> in a timely manner if there is such a thing". I know everyone will 
> approach this differently as to their own preferences, just looking 
> for options that I can adopt myself. I know on DX trips, you try to 
> record as much as possible as to not miss that gem of a catch. Do you 
> have target frequencies you look at...etc
>
> Your thoughts please are welcomed.
>
> Thanks
>
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Re: [IRCA] SDR Recordings

[Brian Rachford]

Unfortunately, there doesn't seem to be a magic bullet for this.  I
actually record more than most, :58:00 to :06:40 just in case a station is
quite late or the possibility of catching something after network news.
Also, for XE stations that give a full ident after playing a long version
of the Mexican national anthem at a particular TOH.  But, I usually don't
have to go beyond the TOH to see if there is something interesting.  If I
get a new station or a better quality ident in the raw file, I stop and
"record" to an audio file and edit/filter it in Audacity.  So, if I have a
good TOH, it can take an hour or more to go through it.  If not, it can be
much less as I rapidly flick through the usual warhorses.  Listening to
every single second of every single channel in a TOH recording is not even
in the ballpark of what one actually needs to do in a routine situation.

My solution (so far) is to not record all the time, as much as I might want
to.  Right now, most of my TOH recordings are a byproduct of recording
several hours up to sunrise to monitor trans-Pacific reception.  I can't
leave out any of my primary antennas 24/7 due to blocking the driveway or
fragility of the antenna.  So, if I don't feel like setting up or think I
will be rushed in the morning in trying to take it down, I don't record.

Brian Rachford - Prescott, AZ
azswdx...@gmail.com
http://azswdxing.wordpress.com/

On Mon, Sep 21, 2015 at 7:23 AM,  wrote:

> Hello,
>
> I am just curious how other SDR users approach their overnight recordings
> from a home location.
>
> My present approach is I record the AM band 2 minutes before the hour and
> 2 minutes past the hour from 10pm to 5am. I am finding its a long process
> to get through the recordings, I am already 4 months behind in my
> recordings but I am not complaining. My question is, "What approach are
> others following that allows them to get through their recordings in a
> timely manner if there is such a thing". I know everyone will approach this
> differently as to their own preferences, just looking for options that I
> can adopt myself. I know on DX trips, you try to record as much as possible
> as to not miss that gem of a catch. Do you have target frequencies you look
> at...etc
>
> Your thoughts please are welcomed.
>
> Thanks
>
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[IRCA] SDR Recordings

[jniven]

Hello,

I am just curious how other SDR users approach their overnight recordings from 
a home location.

My present approach is I record the AM band 2 minutes before the hour and 2 
minutes past the hour from 10pm to 5am. I am finding its a long process to get 
through the recordings, I am already 4 months behind in my recordings but I am 
not complaining. My question is, "What approach are others following that 
allows them to get through their recordings in a timely manner if there is such 
a thing". I know everyone will approach this differently as to their own 
preferences, just looking for options that I can adopt myself. I know on DX 
trips, you try to record as much as possible as to not miss that gem of a 
catch. Do you have target frequencies you look at...etc

Your thoughts please are welcomed.

Thanks
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Re: [IRCA] SDR Recordings

[Kraig]

Stop and think what you're getting yourself into.

118 frequencies (530, 540, 550... 1700 kHz) * 10 minutes (5 minutes before the 
hour and 5 minutes after the hour) * 24 = 28,320 minutes.
  28320 / 60 (minutes in 1 hour) = 472 hours needed to listen to 1 day of TOH 
recordings.

How about only 1 TOH recording?
  118 frequencies * 10 minutes = 1,180 minutes.
  1180 / 60 = 19.67 hours needed to listen.

How about only record 2 minutes before the TOH and 2 minutes after.
  118 frequencies * 4 minutes * 24 = 11,328 minutes.
  11328 / 60 = 188.8 hours

How about only 1 TOH 4 minute recording?
  118 frequencies * 4 minutes = 472 minutes
  472 / 60 = 7.867 hours needed to listen.

Hope you have plenty of time available.

73,

Kraig, KG4LAC



On 9/21/2015 10:23 AM, jni...@austin.rr.com wrote:

Hello,

I am just curious how other SDR users approach their overnight recordings from 
a home location.

My present approach is I record the AM band 2 minutes before the hour and 2 minutes past 
the hour from 10pm to 5am. I am finding its a long process to get through the recordings, 
I am already 4 months behind in my recordings but I am not complaining. My question is, 
"What approach are others following that allows them to get through their recordings 
in a timely manner if there is such a thing". I know everyone will approach this 
differently as to their own preferences, just looking for options that I can adopt 
myself. I know on DX trips, you try to record as much as possible as to not miss that gem 
of a catch. Do you have target frequencies you look at...etc

Your thoughts please are welcomed.

Thanks
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Re: [IRCA] SDR Recordings

[jniven]

Chris,

Thanks for your input, so do you do one every hour or only TOH recording and if 
one how do you decide which hour???

Thanks

James
 Chris Black <n...@comcast.net> wrote: 
> At the home QTH I usually go with 2 min before TOH and 2 after for the band 
> unless a compelling reason to change like needing a bottom of the hour for a 
> particular frequency. Of course DXpedition recording is a different animal; 
> more is always better.
> 
> Chris
> Redmond
> 
> -Original Message- 
> From: Kraig
> Sent: Monday, September 21, 2015 8:57 AM
> To: irca@hard-core-dx.com
> Subject: Re: [IRCA] SDR Recordings
> 
> Stop and think what you're getting yourself into.
> 
> 118 frequencies (530, 540, 550... 1700 kHz) * 10 minutes (5 minutes before 
> the hour and 5 minutes after the hour) * 24 = 28,320 minutes.
>28320 / 60 (minutes in 1 hour) = 472 hours needed to listen to 1 day of 
> TOH recordings.
> 
> How about only 1 TOH recording?
>118 frequencies * 10 minutes = 1,180 minutes.
>1180 / 60 = 19.67 hours needed to listen.
> 
> How about only record 2 minutes before the TOH and 2 minutes after.
>118 frequencies * 4 minutes * 24 = 11,328 minutes.
>11328 / 60 = 188.8 hours
> 
> How about only 1 TOH 4 minute recording?
>118 frequencies * 4 minutes = 472 minutes
>472 / 60 = 7.867 hours needed to listen.
> 
> Hope you have plenty of time available.
> 
> 73,
> 
> Kraig, KG4LAC
> 
> 
> 
> On 9/21/2015 10:23 AM, jni...@austin.rr.com wrote:
> > Hello,
> >
> > I am just curious how other SDR users approach their overnight recordings 
> > from a home location.
> >
> > My present approach is I record the AM band 2 minutes before the hour and 
> > 2 minutes past the hour from 10pm to 5am. I am finding its a long process 
> > to get through the recordings, I am already 4 months behind in my 
> > recordings but I am not complaining. My question is, "What approach are 
> > others following that allows them to get through their recordings in a 
> > timely manner if there is such a thing". I know everyone will approach 
> > this differently as to their own preferences, just looking for options 
> > that I can adopt myself. I know on DX trips, you try to record as much as 
> > possible as to not miss that gem of a catch. Do you have target 
> > frequencies you look at...etc
> >
> > Your thoughts please are welcomed.
> >
> > Thanks
> > ___
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> >
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Re: [IRCA] SDR Recordings

[Chris Black]

At the home QTH I usually go with 2 min before TOH and 2 after for the band 
unless a compelling reason to change like needing a bottom of the hour for a 
particular frequency. Of course DXpedition recording is a different animal; 
more is always better.


Chris
Redmond

-Original Message- 
From: Kraig

Sent: Monday, September 21, 2015 8:57 AM
To: irca@hard-core-dx.com
Subject: Re: [IRCA] SDR Recordings

Stop and think what you're getting yourself into.

118 frequencies (530, 540, 550... 1700 kHz) * 10 minutes (5 minutes before 
the hour and 5 minutes after the hour) * 24 = 28,320 minutes.
  28320 / 60 (minutes in 1 hour) = 472 hours needed to listen to 1 day of 
TOH recordings.


How about only 1 TOH recording?
  118 frequencies * 10 minutes = 1,180 minutes.
  1180 / 60 = 19.67 hours needed to listen.

How about only record 2 minutes before the TOH and 2 minutes after.
  118 frequencies * 4 minutes * 24 = 11,328 minutes.
  11328 / 60 = 188.8 hours

How about only 1 TOH 4 minute recording?
  118 frequencies * 4 minutes = 472 minutes
  472 / 60 = 7.867 hours needed to listen.

Hope you have plenty of time available.

73,

Kraig, KG4LAC



On 9/21/2015 10:23 AM, jni...@austin.rr.com wrote:

Hello,

I am just curious how other SDR users approach their overnight recordings 
from a home location.


My present approach is I record the AM band 2 minutes before the hour and 
2 minutes past the hour from 10pm to 5am. I am finding its a long process 
to get through the recordings, I am already 4 months behind in my 
recordings but I am not complaining. My question is, "What approach are 
others following that allows them to get through their recordings in a 
timely manner if there is such a thing". I know everyone will approach 
this differently as to their own preferences, just looking for options 
that I can adopt myself. I know on DX trips, you try to record as much as 
possible as to not miss that gem of a catch. Do you have target 
frequencies you look at...etc


Your thoughts please are welcomed.

Thanks
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[IRCA] SDR

[Mike Sanburn]

There seems to be a new software defined radio on the scene from DX-Patrol. I 
got the info from QRZ. More details are available at www dot dx patrol dot pt   
'Would be interesting to hear how it stacks up against Microtelecom, Elad, 
WinRadio, Japan Radio, etc SDRs. I'd also be interested in coming months in 
hearing how well the new Windows 10 works (or doesn't) with the various SDR 
offerings. 73 ms

Sent from my iPod
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Re: [IRCA] SDR Receivers

[Guy Atkins]

Hi Mike,

I changed this thread title since it's not just about Perseus.

I considered the FDM DUO very seriously before deciding upon the KX3 a few
months ago. My main purpose is to use the rig as a very portable,
well-built, high performing and full featured *portable* receiver for the
Tropical Bands, and general SWLing while camping  traveling (plus home
use). I do not intend to use the KX3 in external mode for SDR-type spectrum
display and related features. I already have the FDM-S2 and SDR-Net for
that purpose.

BTW, the Elad USA shop has the FDM-S2 and FDM-S1 on sale for Columbus Day
until end of 10/14 (today!) for $529 and $299 respectively.

Some KX3 vs. FDM DUO deciding factors for me:

   - The KX3 was already available, tried and true, with a large following.
   The FDM-DUO is not yet USA-certified. The FDM-DUOr receiver version will
   follow the transceiver version...sometime.
   - I like the controls of the KX3 much more than the FDM DUO... the KX3
   has a great hands-on feel, and from the looks of the FDM-DUO it seems a bit
   fiddly and with too many menus. I have 3rd party protective side panel
   handles and Lexan cover accessories on the KX3, so it travels well.
   - I already have the extensive SDR features of the FDM-DUO in the
   FDM-S2, so no need to replicate.
   - The KX3 has a nice built-in Ni-Mh smart battery charger available; the
   FDM DUO needs external DC power.
   - If I ever want to put my ham call to use and try my hand at QRP, the
   KX3 transmits up to 10 watts, versus the FDM DUO that maxes out at 5 watts.
   (Note that many hams recommend an upgraded heat sink to successfully use
   full power.)
   - The KX3 has superb performance specs as you've mentioned. It is among
   the top three on the respected Sherwood Engineering site's receiver test
   results, bested only by the $10,000 Hilberling PT-8000A transceiver, and
   the recently added FlexRadio 6700 ($7,500).
   - You can save $100 with a KX3 no-solder kit as I did.
   - The KX3 has a unique and useful Pseudo Stereo mode built-in; it
   makes for less fatiguing listening. (The same feature is found as a tool in
   the SDR-Radio V2 Console software also, for use with a variety of SDRs.)

I think the recovered audio with the KX3 sounds very good. The background
noise of the radio is quite low, and the sense I get of its low noise and
audio recovery reminds me of the AOR AR7030+, one of my favorite
traditional receivers. Too bad the KX3 doesn't have synchronous AM
detection but with 1 Hz tuning resolution for ECSS I don't miss it.

BTW, the Elecraft options I have on my KX3 are the Ni-Mh battery holder
with internal smart charger, the dual-passband roofing filters option, and
the automatic antenna tuner (the tuner is actually useful outside the ham
bands and on MW-- see Thomas Witherspoon's nice KX3 review from a SWLing
perspective: http://tinyurl.com/oc7pnzd

I haven't experienced what you commented on, that noise reduction sounds
better with a more powerful host computer. However, there are definitely
variations in NR approach that makes a difference. I like the choice of
three different NR algorithms in Simon Brown's SDR-Radio V2 Console
software.

Speaking of NR tools, the KX3's internal NR feature sounds quite good to
me. It think it takes a back seat to the NR products of BHI Ltd. in the UK,
however. Their little noise reduction module  keypad kit (NEDSP-1061 KBD) is
well worth the $139 cost from www.w4rt.com. I have one of these installed
in an Eton E1XM between the product detector and amplifer. It is really
excellent for improving audio intelligibility with less of the echo-y
artifacts found in competing products. The BHI Ltd.'s technology is
available in external speaker products, too. In the USA, GAP Antennas
rebrands the BHI devices as the GAP Hear-It speaker.

Lastly, I have information on bypassing the KX3's BCB filter but I've not
gotten around to doing that. The signal path needs rerouting around a few
components, and a DC-blocking capacitor gets added on. I'm sure it's SMD
work, but I have some background in that. From what I can tell, the KX3
should have very good performance on MW once the BCB filter is bypassed.

73,
Guy Atkins
Puyallup, WA


 -- Forwarded message --
 From: Mike Bates mjba...@skypoint.com
 To: irca@hard-core-dx.com
 Cc:
 Date: Mon, 13 Oct 2014 18:11:25 -0500
 Subject: Re: [IRCA] Or get a Perseus...
 Hi Guy,

 Thanks for the info on the cost of the FDM DUOr, I have not seen anything
 on
 their website yet., I have been watching. I am presuming then that it will
 show up on the website at some point. It may be best to use the FDM S2 and
 something like the Tmate 2 for those who want a more traditional operating
 feel. They show the Tmate 2 on their website for $288.00 ($278.00 on sale
 now)

 How is the KX3 as a Mediumwave receiver? I have not heard much about that
 part of it. Everyone raves about them. I believe that the overloading is
 probably better than the 

[IRCA] SDR-Console and the Perseus SDR Volume Levels

[Les Rayburn]

Got the new Perseus SDR hooked up and running last night using SDRV4.1 
downloaded from the Perseus web site. No problems at all with the 
initial installation on Windows 7 Pro. Had it working within moments.


One issue I did notice was that when I used the Perseus with the 
SDR-Console software, the AF output volume was much lower compared to 
the native Perseus software. No idea why this would be, and couldn't 
find a place to adjust the level inside the SDR-Console software. Can 
someone offer assistance?


RF levels appeared to be the same for both software.

So far, I love the Perseus! One other question--how much bandwidth can 
the Perseus record in I/O mode? I've seen some sites that say it's 
limited to 800 KHz, others say 1600 KHz, and others 2 MHz. My 
understanding is that it would cover the entire AM band, which would be 
1710 KHz (1.7 MHz)



--
73,


Les Rayburn, N1LF
Maylene, AL
EM63

Member NRC, IRCA,  Medium Wave DX Circle
Former CPC Chairman for NRC/IRCA

SDR-IQ,Funcube Pro, Wellbrooke ALA-1530+ loop, LF Engineering Active Whips,
Quantum Phaser, Kiwa Loop, Palstar MW Pre-Selector

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Re: [IRCA] SDR-Console and the Perseus SDR Volume Levels

[Don Moman VE6JY]

There is a volume tab in the SDR Console next to the speaker icon in the
VFO pane. Even tho it says 75 the actual level may be anything - it is just
an icon.

Using the native Perseus software recording is 1600 khz maximum - it
records what you have the screen width set to.

73 Don
VE6JY


On Tue, Feb 25, 2014 at 5:49 PM, Les Rayburn l...@highnoonfilm.com wrote:

 Got the new Perseus SDR hooked up and running last night using SDRV4.1
 downloaded from the Perseus web site. No problems at all with the initial
 installation on Windows 7 Pro. Had it working within moments.

 One issue I did notice was that when I used the Perseus with the
 SDR-Console software, the AF output volume was much lower compared to the
 native Perseus software. No idea why this would be, and couldn't find a
 place to adjust the level inside the SDR-Console software. Can someone
 offer assistance?

 RF levels appeared to be the same for both software.

 So far, I love the Perseus! One other question--how much bandwidth can the
 Perseus record in I/O mode? I've seen some sites that say it's limited to
 800 KHz, others say 1600 KHz, and others 2 MHz. My understanding is that it
 would cover the entire AM band, which would be 1710 KHz (1.7 MHz)


 --
 73,


 Les Rayburn, N1LF
 Maylene, AL
 EM63

 Member NRC, IRCA,  Medium Wave DX Circle
 Former CPC Chairman for NRC/IRCA

 SDR-IQ,Funcube Pro, Wellbrooke ALA-1530+ loop, LF Engineering Active Whips,
 Quantum Phaser, Kiwa Loop, Palstar MW Pre-Selector

 ___
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 IRCA@hard-core-dx.com
 http://montreal.kotalampi.com/mailman/listinfo/irca

 Opinions expressed in messages on this mailing list are those of the
 original contributors and do not necessarily reflect the opinion of the
 IRCA, its editors, publishing staff, or officers

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Re: [IRCA] SDR-Console and the Perseus SDR Volume Levels

[Les Rayburn]

Don,

I was advised that if you lowered the sampling rate to 950, the Perseus 
could record 1750 KHz worth of bandwidth (the entire AM band). Have you 
tried that? I assume quality might suffer a bit, but that might be 
offset by the ability to record the entire band.



Les Rayburn, Director
High Noon Film
130 1st Avenue West
Alabaster, AL 35007-8536
(205) 621-7500
(205) 621-7505 FAX
(205) 253-4867 CELL
http://www.highnoonfilm.com

-

This e-mail contains information that may be confidential or privileged 
and is intended only for the person(s) named above.
Any other distribution, copying or disclosure is strictly prohibited. If 
you have received this e-mail in error, please
notify the sender immediately and return the original transmission to 
the above address by mail without making a copy.


On 2/25/2014 1:02 PM, Don Moman VE6JY wrote:

There is a volume tab in the SDR Console next to the speaker icon in the
VFO pane. Even tho it says 75 the actual level may be anything - it is just
an icon.

Using the native Perseus software recording is 1600 khz maximum - it
records what you have the screen width set to.

73 Don
VE6JY


On Tue, Feb 25, 2014 at 5:49 PM, Les Rayburn l...@highnoonfilm.com wrote:


Got the new Perseus SDR hooked up and running last night using SDRV4.1
downloaded from the Perseus web site. No problems at all with the initial
installation on Windows 7 Pro. Had it working within moments.

One issue I did notice was that when I used the Perseus with the
SDR-Console software, the AF output volume was much lower compared to the
native Perseus software. No idea why this would be, and couldn't find a
place to adjust the level inside the SDR-Console software. Can someone
offer assistance?

RF levels appeared to be the same for both software.

So far, I love the Perseus! One other question--how much bandwidth can the
Perseus record in I/O mode? I've seen some sites that say it's limited to
800 KHz, others say 1600 KHz, and others 2 MHz. My understanding is that it
would cover the entire AM band, which would be 1710 KHz (1.7 MHz)


--
73,


Les Rayburn, N1LF
Maylene, AL
EM63

Member NRC, IRCA,  Medium Wave DX Circle
Former CPC Chairman for NRC/IRCA

SDR-IQ,Funcube Pro, Wellbrooke ALA-1530+ loop, LF Engineering Active Whips,
Quantum Phaser, Kiwa Loop, Palstar MW Pre-Selector

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IRCA, its editors, publishing staff, or officers

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--
73,


Les Rayburn, N1LF
Maylene, AL
EM63

Member NRC, IRCA,  Medium Wave DX Circle
Former CPC Chairman for NRC/IRCA

SDR-IQ,Funcube Pro, Wellbrooke ALA-1530+ loop, LF Engineering Active Whips,
Quantum Phaser, Kiwa Loop, Palstar MW Pre-Selector

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Re: [IRCA] SDR-Console and the Perseus SDR Volume Levels

[Don Moman VE6JY]

With the Perseus V4x software I haven't tried anything like that, as I
don't think you can - as the Perseus software only allows sample rates of
125, 250, 500 , 1000 or 2000 kilo samples/sec, the last one which is
equated to 1600 khz.  For me that records the entire AM band (as I would
define it) just fine and even allows full capture of the LW BC and NDB
bands. If you center the recording on 950 khz that will cover 150 to 1750
khz.




On Tue, Feb 25, 2014 at 7:30 PM, Les Rayburn l...@highnoonfilm.com wrote:

 Don,

 I was advised that if you lowered the sampling rate to 950, the Perseus
 could record 1750 KHz worth of bandwidth (the entire AM band). Have you
 tried that? I assume quality might suffer a bit, but that might be offset
 by the ability to record the entire band.


 Les Rayburn, Director
 High Noon Film
 130 1st Avenue West
 Alabaster, AL 35007-8536
 (205) 621-7500
 (205) 621-7505 FAX
 (205) 253-4867 CELL
 http://www.highnoonfilm.com

 -

 This e-mail contains information that may be confidential or privileged
 and is intended only for the person(s) named above.
 Any other distribution, copying or disclosure is strictly prohibited. If
 you have received this e-mail in error, please
 notify the sender immediately and return the original transmission to the
 above address by mail without making a copy.


 On 2/25/2014 1:02 PM, Don Moman VE6JY wrote:

 There is a volume tab in the SDR Console next to the speaker icon in the
 VFO pane. Even tho it says 75 the actual level may be anything - it is
 just
 an icon.

 Using the native Perseus software recording is 1600 khz maximum - it
 records what you have the screen width set to.

 73 Don
 VE6JY


 On Tue, Feb 25, 2014 at 5:49 PM, Les Rayburn l...@highnoonfilm.com
 wrote:

  Got the new Perseus SDR hooked up and running last night using SDRV4.1
 downloaded from the Perseus web site. No problems at all with the initial
 installation on Windows 7 Pro. Had it working within moments.

 One issue I did notice was that when I used the Perseus with the
 SDR-Console software, the AF output volume was much lower compared to the
 native Perseus software. No idea why this would be, and couldn't find a
 place to adjust the level inside the SDR-Console software. Can someone
 offer assistance?

 RF levels appeared to be the same for both software.

 So far, I love the Perseus! One other question--how much bandwidth can
 the
 Perseus record in I/O mode? I've seen some sites that say it's limited to
 800 KHz, others say 1600 KHz, and others 2 MHz. My understanding is that
 it
 would cover the entire AM band, which would be 1710 KHz (1.7 MHz)


 --
 73,


 Les Rayburn, N1LF
 Maylene, AL
 EM63

 Member NRC, IRCA,  Medium Wave DX Circle
 Former CPC Chairman for NRC/IRCA

 SDR-IQ,Funcube Pro, Wellbrooke ALA-1530+ loop, LF Engineering Active
 Whips,
 Quantum Phaser, Kiwa Loop, Palstar MW Pre-Selector

 ___
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 IRCA@hard-core-dx.com
 http://montreal.kotalampi.com/mailman/listinfo/irca

 Opinions expressed in messages on this mailing list are those of the
 original contributors and do not necessarily reflect the opinion of the
 IRCA, its editors, publishing staff, or officers

 For more information: http://www.ircaonline.org

 To Post a message: irca@hard-core-dx.com


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 IRCA, its editors, publishing staff, or officers

 For more information: http://www.ircaonline.org

 To Post a message: irca@hard-core-dx.com




 --
 73,


 Les Rayburn, N1LF
 Maylene, AL
 EM63

 Member NRC, IRCA,  Medium Wave DX Circle
 Former CPC Chairman for NRC/IRCA

 SDR-IQ,Funcube Pro, Wellbrooke ALA-1530+ loop, LF Engineering Active Whips,
 Quantum Phaser, Kiwa Loop, Palstar MW Pre-Selector

 ___
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 Opinions expressed in messages on this mailing list are those of the
 original contributors and do not necessarily reflect the opinion of the
 IRCA, its editors, publishing staff, or officers

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Re: [IRCA] SDR-Console and the Perseus SDR Volume Levels

[Chuck Hutton]

Les:
 
I'll bet some things are mixed up here.
 
There's no sampling rate of 950 regardless of the unit you meant (samples, 
kilosamples, etc).
Did you mean to set the center frequency to 950 kHz? That's a common choice to 
record 1.6 MHZ (not 1.75 MHZ) of spectrum, thereby covering 150 kHz to 1750 kHz.
 
Whatever sampling rate and center frequency you use has really no effect at all 
on quality, although I am not sure what that means to you.
 
Chuck
 
 Date: Tue, 25 Feb 2014 13:30:11 -0600
 From: l...@highnoonfilm.com
 To: irca@hard-core-dx.com
 Subject: Re: [IRCA] SDR-Console and the Perseus SDR Volume Levels
 
 Don,
 
 I was advised that if you lowered the sampling rate to 950, the Perseus 
 could record 1750 KHz worth of bandwidth (the entire AM band). Have you 
 tried that? I assume quality might suffer a bit, but that might be 
 offset by the ability to record the entire band.
 
 
 Les Rayburn, Director
 High Noon Film
 130 1st Avenue West
 Alabaster, AL 35007-8536
 (205) 621-7500
 (205) 621-7505 FAX
 (205) 253-4867 CELL
 http://www.highnoonfilm.com
 
 -
 
 This e-mail contains information that may be confidential or privileged 
 and is intended only for the person(s) named above.
 Any other distribution, copying or disclosure is strictly prohibited. If 
 you have received this e-mail in error, please
 notify the sender immediately and return the original transmission to 
 the above address by mail without making a copy.
 
 On 2/25/2014 1:02 PM, Don Moman VE6JY wrote:
  There is a volume tab in the SDR Console next to the speaker icon in the
  VFO pane. Even tho it says 75 the actual level may be anything - it is just
  an icon.
 
  Using the native Perseus software recording is 1600 khz maximum - it
  records what you have the screen width set to.
 
  73 Don
  VE6JY
 
 
  On Tue, Feb 25, 2014 at 5:49 PM, Les Rayburn l...@highnoonfilm.com wrote:
 
  Got the new Perseus SDR hooked up and running last night using SDRV4.1
  downloaded from the Perseus web site. No problems at all with the initial
  installation on Windows 7 Pro. Had it working within moments.
 
  One issue I did notice was that when I used the Perseus with the
  SDR-Console software, the AF output volume was much lower compared to the
  native Perseus software. No idea why this would be, and couldn't find a
  place to adjust the level inside the SDR-Console software. Can someone
  offer assistance?
 
  RF levels appeared to be the same for both software.
 
  So far, I love the Perseus! One other question--how much bandwidth can the
  Perseus record in I/O mode? I've seen some sites that say it's limited to
  800 KHz, others say 1600 KHz, and others 2 MHz. My understanding is that it
  would cover the entire AM band, which would be 1710 KHz (1.7 MHz)
 
 
  --
  73,
 
 
  Les Rayburn, N1LF
  Maylene, AL
  EM63
 
  Member NRC, IRCA,  Medium Wave DX Circle
  Former CPC Chairman for NRC/IRCA
 
  SDR-IQ,Funcube Pro, Wellbrooke ALA-1530+ loop, LF Engineering Active Whips,
  Quantum Phaser, Kiwa Loop, Palstar MW Pre-Selector
 
  ___
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  Opinions expressed in messages on this mailing list are those of the
  original contributors and do not necessarily reflect the opinion of the
  IRCA, its editors, publishing staff, or officers
 
  For more information: http://www.ircaonline.org
 
  To Post a message: irca@hard-core-dx.com
 
 
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  IRCA, its editors, publishing staff, or officers
 
  For more information: http://www.ircaonline.org
 
  To Post a message: irca@hard-core-dx.com
 
 
 
 
 -- 
 73,
 
 
 Les Rayburn, N1LF
 Maylene, AL
 EM63
 
 Member NRC, IRCA,  Medium Wave DX Circle
 Former CPC Chairman for NRC/IRCA
 
 SDR-IQ,Funcube Pro, Wellbrooke ALA-1530+ loop, LF Engineering Active Whips,
 Quantum Phaser, Kiwa Loop, Palstar MW Pre-Selector
 
 ___
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 contributors and do not necessarily reflect the opinion of the IRCA, its 
 editors, publishing staff, or officers
 
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Re: [IRCA] SDR-Console and the Perseus SDR Volume Levels

[Russ Edmunds]

The entire AM band is 1710-520, so 1.2 mHz. If you add LW, it's 1710-190 = 
1.520, so you're covered
either way.

Russ Edmunds
15 mi NNW of Philadelphia  
Grid FN20id
wb2...@yahoo.com




On Tue, 2/25/14, Les Rayburn l...@highnoonfilm.com wrote:

 Subject: Re: [IRCA] SDR-Console and the Perseus SDR Volume Levels
 To: Mailing list for the International Radio Club of America 
irca@hard-core-dx.com
 Date: Tuesday, February 25, 2014, 2:30 PM
 
 Don,
 
 I was advised that if you lowered the sampling rate to 950,
 the Perseus 
 could record 1750 KHz worth of bandwidth (the entire AM
 band). Have you 
 tried that? I assume quality might suffer a bit, but that
 might be 
 offset by the ability to record the entire band.
 
 
 Les Rayburn, Director
 High Noon Film
 130 1st Avenue West
 Alabaster, AL 35007-8536
 (205) 621-7500
 (205) 621-7505 FAX
 (205) 253-4867 CELL
 http://www.highnoonfilm.com
 
 -
 
 This e-mail contains information that may be confidential or
 privileged 
 and is intended only for the person(s) named above.
 Any other distribution, copying or disclosure is strictly
 prohibited. If 
 you have received this e-mail in error, please
 notify the sender immediately and return the original
 transmission to 
 the above address by mail without making a copy.
 
 On 2/25/2014 1:02 PM, Don Moman VE6JY wrote:
  There is a volume tab in the SDR Console next to the
 speaker icon in the
  VFO pane. Even tho it says 75 the actual level may be
 anything - it is just
  an icon.
 
  Using the native Perseus software recording is 1600 khz
 maximum - it
  records what you have the screen width set to.
 
  73 Don
  VE6JY
 
 
  On Tue, Feb 25, 2014 at 5:49 PM, Les Rayburn l...@highnoonfilm.com
 wrote:
 
  Got the new Perseus SDR hooked up and running last
 night using SDRV4.1
  downloaded from the Perseus web site. No problems
 at all with the initial
  installation on Windows 7 Pro. Had it working
 within moments.
 
  One issue I did notice was that when I used the
 Perseus with the
  SDR-Console software, the AF output volume was much
 lower compared to the
  native Perseus software. No idea why this would be,
 and couldn't find a
  place to adjust the level inside the SDR-Console
 software. Can someone
  offer assistance?
 
  RF levels appeared to be the same for both
 software.
 
  So far, I love the Perseus! One other question--how
 much bandwidth can the
  Perseus record in I/O mode? I've seen some sites
 that say it's limited to
  800 KHz, others say 1600 KHz, and others 2 MHz. My
 understanding is that it
  would cover the entire AM band, which would be 1710
 KHz (1.7 MHz)
 
 
  --
  73,
 
 
  Les Rayburn, N1LF
  Maylene, AL
  EM63
 
  Member NRC, IRCA,  Medium Wave DX Circle
  Former CPC Chairman for NRC/IRCA
 
  SDR-IQ,Funcube Pro, Wellbrooke ALA-1530+ loop, LF
 Engineering Active Whips,
  Quantum Phaser, Kiwa Loop, Palstar MW Pre-Selector
 
  ___
  IRCA mailing list
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  Opinions expressed in messages on this mailing list
 are those of the
  original contributors and do not necessarily
 reflect the opinion of the
  IRCA, its editors, publishing staff, or officers
 
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 reflect the opinion of the IRCA, its editors, publishing
 staff, or officers
 
  For more information: http://www.ircaonline.org
 
  To Post a message: irca@hard-core-dx.com
 
 
 
 
 -- 
 73,
 
 
 Les Rayburn, N1LF
 Maylene, AL
 EM63
 
 Member NRC, IRCA,  Medium Wave DX Circle
 Former CPC Chairman for NRC/IRCA
 
 SDR-IQ,Funcube Pro, Wellbrooke ALA-1530+ loop, LF
 Engineering Active Whips,
 Quantum Phaser, Kiwa Loop, Palstar MW Pre-Selector
 
 ___
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 those of the original contributors and do not necessarily
 reflect the opinion of the IRCA, its editors, publishing
 staff, or officers
 
 For more information: http://www.ircaonline.org
 
 To Post a message: irca@hard-core-dx.com
 
 
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Re: [IRCA] SDR-Console and the Perseus SDR Volume Levels

[Brett Saylor]

One piece of advice - if you want to open a recording made in Perseus in
another SDR program like SDR Radio Console, make sure the center frequency
you pick for recording doesn't result in the lowest frequency of the
spectrum being less than 0 kHz - for example if you do a 2000 ks/s
recording with the center frequency at 950 kHz, Perseus software will play
it back but SDR Radio Console will refuse to open up the file (I have had
that happen). I think that SDR Console actually plays back a wider range of
frequencies than Perseus does and doesn't handle frequencies less than 0 as
well as Perseus.

Brett Saylor


On Tue, Feb 25, 2014 at 3:47 PM, Chuck Hutton charle...@msn.com wrote:

 Les:

 I'll bet some things are mixed up here.

 There's no sampling rate of 950 regardless of the unit you meant (samples,
 kilosamples, etc).
 Did you mean to set the center frequency to 950 kHz? That's a common
 choice to record 1.6 MHZ (not 1.75 MHZ) of spectrum, thereby covering 150
 kHz to 1750 kHz.

 Whatever sampling rate and center frequency you use has really no effect
 at all on quality, although I am not sure what that means to you.

 Chuck

  Date: Tue, 25 Feb 2014 13:30:11 -0600
  From: l...@highnoonfilm.com
  To: irca@hard-core-dx.com
  Subject: Re: [IRCA] SDR-Console and the Perseus SDR Volume Levels
 
  Don,
 
  I was advised that if you lowered the sampling rate to 950, the Perseus
  could record 1750 KHz worth of bandwidth (the entire AM band). Have you
  tried that? I assume quality might suffer a bit, but that might be
  offset by the ability to record the entire band.
 
 
  Les Rayburn, Director
  High Noon Film
  130 1st Avenue West
  Alabaster, AL 35007-8536
  (205) 621-7500
  (205) 621-7505 FAX
  (205) 253-4867 CELL
  http://www.highnoonfilm.com
 
 

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Re: [IRCA] SDR-Console and the Perseus SDR Volume Levels

[Les Rayburn]

I think my knowledge gap is showing. I'm sure that it meant to set the 
recording to 950 KHz and record the 1.6 MHz bandwidth stretching from 
150 KHz to 1750 KHz. I'll give it a try tonight using the native Perseus 
software, then experiment with the add-on recording software options, 
and playback on other software platforms.


Thanks for the advice.

--
73,


Les Rayburn, N1LF
Maylene, AL
EM63

Member NRC, IRCA,  Medium Wave DX Circle
Former CPC Chairman for NRC/IRCA

SDR-IQ,Funcube Pro, Wellbrooke ALA-1530+ loop, LF Engineering Active Whips,
Quantum Phaser, Kiwa Loop, Palstar MW Pre-Selector







On 2/25/2014 2:47 PM, Chuck Hutton wrote:

Les:
  
I'll bet some things are mixed up here.
  
There's no sampling rate of 950 regardless of the unit you meant (samples, kilosamples, etc).

Did you mean to set the center frequency to 950 kHz? That's a common choice to 
record 1.6 MHZ (not 1.75 MHZ) of spectrum, thereby covering 150 kHz to 1750 kHz.
  
Whatever sampling rate and center frequency you use has really no effect at all on quality, although I am not sure what that means to you.
  
Chuck
  

Date: Tue, 25 Feb 2014 13:30:11 -0600
From: l...@highnoonfilm.com
To: irca@hard-core-dx.com
Subject: Re: [IRCA] SDR-Console and the Perseus SDR Volume Levels

Don,

I was advised that if you lowered the sampling rate to 950, the Perseus
could record 1750 KHz worth of bandwidth (the entire AM band). Have you
tried that? I assume quality might suffer a bit, but that might be
offset by the ability to record the entire band.


Les Rayburn, Director
High Noon Film
130 1st Avenue West
Alabaster, AL 35007-8536
(205) 621-7500
(205) 621-7505 FAX
(205) 253-4867 CELL
http://www.highnoonfilm.com

-

This e-mail contains information that may be confidential or privileged
and is intended only for the person(s) named above.
Any other distribution, copying or disclosure is strictly prohibited. If
you have received this e-mail in error, please
notify the sender immediately and return the original transmission to
the above address by mail without making a copy.

On 2/25/2014 1:02 PM, Don Moman VE6JY wrote:

There is a volume tab in the SDR Console next to the speaker icon in the
VFO pane. Even tho it says 75 the actual level may be anything - it is just
an icon.

Using the native Perseus software recording is 1600 khz maximum - it
records what you have the screen width set to.

73 Don
VE6JY


On Tue, Feb 25, 2014 at 5:49 PM, Les Rayburn l...@highnoonfilm.com wrote:


Got the new Perseus SDR hooked up and running last night using SDRV4.1
downloaded from the Perseus web site. No problems at all with the initial
installation on Windows 7 Pro. Had it working within moments.

One issue I did notice was that when I used the Perseus with the
SDR-Console software, the AF output volume was much lower compared to the
native Perseus software. No idea why this would be, and couldn't find a
place to adjust the level inside the SDR-Console software. Can someone
offer assistance?

RF levels appeared to be the same for both software.

So far, I love the Perseus! One other question--how much bandwidth can the
Perseus record in I/O mode? I've seen some sites that say it's limited to
800 KHz, others say 1600 KHz, and others 2 MHz. My understanding is that it
would cover the entire AM band, which would be 1710 KHz (1.7 MHz)


--
73,


Les Rayburn, N1LF
Maylene, AL
EM63

Member NRC, IRCA,  Medium Wave DX Circle
Former CPC Chairman for NRC/IRCA

SDR-IQ,Funcube Pro, Wellbrooke ALA-1530+ loop, LF Engineering Active Whips,
Quantum Phaser, Kiwa Loop, Palstar MW Pre-Selector

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--
73,


Les Rayburn, N1LF
Maylene, AL
EM63

Member NRC, IRCA,  Medium Wave DX Circle
Former CPC Chairman for NRC/IRCA

SDR-IQ,Funcube Pro, Wellbrooke ALA-1530+ loop, LF Engineering Active Whips,
Quantum Phaser, Kiwa Loop, Palstar MW Pre-Selector

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Re: [IRCA] SDR-Console and the Perseus SDR Volume Levels

[Nick Hall-Patch]

Interestingly, SDR-Console's developer recently fixed that very 
problem for playing back files recorded by SpectraVue using RFSpace 
hardware.  You're warned that you will be going into negative 
frequencies, but the playback is accurate.   I wonder if he did the 
same for Perseus files?  Maybe check the latest beta?


best wishes,

Nick


At 21:27 25-02-14, you wrote:

One piece of advice - if you want to open a recording made in Perseus in
another SDR program like SDR Radio Console, make sure the center frequency
you pick for recording doesn't result in the lowest frequency of the
spectrum being less than 0 kHz - for example if you do a 2000 ks/s
recording with the center frequency at 950 kHz, Perseus software will play
it back but SDR Radio Console will refuse to open up the file (I have had
that happen). I think that SDR Console actually plays back a wider range of
frequencies than Perseus does and doesn't handle frequencies less than 0 as
well as Perseus.

Brett Saylor


On Tue, Feb 25, 2014 at 3:47 PM, Chuck Hutton charle...@msn.com wrote:

 Les:

 I'll bet some things are mixed up here.

 There's no sampling rate of 950 regardless of the unit you meant (samples,
 kilosamples, etc).
 Did you mean to set the center frequency to 950 kHz? That's a common
 choice to record 1.6 MHZ (not 1.75 MHZ) of spectrum, thereby covering 150
 kHz to 1750 kHz.

 Whatever sampling rate and center frequency you use has really no effect
 at all on quality, although I am not sure what that means to you.

 Chuck

  Date: Tue, 25 Feb 2014 13:30:11 -0600
  From: l...@highnoonfilm.com
  To: irca@hard-core-dx.com
  Subject: Re: [IRCA] SDR-Console and the Perseus SDR Volume Levels
 
  Don,
 
  I was advised that if you lowered the sampling rate to 950, the Perseus
  could record 1750 KHz worth of bandwidth (the entire AM band). Have you
  tried that? I assume quality might suffer a bit, but that might be
  offset by the ability to record the entire band.
 
 
  Les Rayburn, Director
  High Noon Film
  130 1st Avenue West
  Alabaster, AL 35007-8536
  (205) 621-7500
  (205) 621-7505 FAX
  (205) 253-4867 CELL
  http://www.highnoonfilm.com
 
 

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Re: [IRCA] SDR Recommendations?

[Nick Hall-Patch]

One of the earlier versions of Spectravue actually played Perseus 
files, Nigel, but unfortunately, I don't think it could run the 
Perseus or could record from itpity.It's a fine, simple 
program, which fortunately is still being updated, slowly and carefully.


best wishes,

Nick



At 05:36 13-07-13, you wrote:
Yes, when I graduated from the SDR-IQ to the Perseus I found the 
lack of a native scheduler to be the biggest downside (along with 
the lack of a pause button on playbacks), but as Walt says there are 
now plenty of 3rd party programs out there.   I've used several and 
these days I use both Mestor and YAPS with virtually 100% 
reliability.I still use the SDR-IQ on occassion and wonder why 
something so simple yet effective as the scheduler in Spectravue 
couldn't have been added to the Perseus.


73,

Nigel Pimblett



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[IRCA] SDR Recommendations?

[Anthony R Gargano]

I've been considering adding an SDR to my MW dx tool arsenal but I am a newbie 
in that area and am looking for any thoughts or recommendations from those of 
you more experienced than me. The primary appeal to me about SDR is the ability 
to record the entire band for later searching.

Currently, I am all Apple: Imac, Macbook Pro, iPad. I've been reading up on and 
have been pretty impressed with the Perseus and the WinRadio Excalibur. Are 
there any Mac users out there using them? If so, what do I need to be aware 
with regard to interface and software requirements? If Mac is out of the 
question for either of those, would they work with one of the new Microsoft 
tablet PC's or would I need a full blown Windows PC system?

Another thought I had was to initially, perhaps just 'get my feet wet' and play 
around with one of the USB dongles I've seen advertised. Are they a waste of 
time for serious use? If not, will any of those work with a Mac?

Any comments or suggestions would be greatly appreciated.
Thanks
 
Anthony R Gargano
n...@n2ss.com




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Re: [IRCA] SDR Recommendations?

[Nick Hall-Patch]

I'm afraid I don't have a lot of experience with your possible 
choices for SDR, Anthony, and none with driving them with an Apple 
computer, but a couple of thoughts:


I lurk on the Perseus Yahoo list, and people do you use Apple 
computers for Perseus, but I believe it's by running some sort of 
Windows virtual machine.   You could probably get some answers on 
that group, perhaps by first searching the archives.


I seem to recall problems recording the entire band with the 
Excalibur, at least using the native software, but I'm happy to be 
proved wrong.   There are a couple of Yahoo groups devoted to 
Winradio, so again you might get better information there.


I've run the RFSpace SDR-14 with little effort using a Windows 8 
tablet (from Samsung, not Microsoft), and found the tablet itself to 
be remarkably competent for such a low power device, so it may well 
have been able to handle a Perseus with its wider bandwidth.   But it 
has to be Windows 8,  not Windows RT!


best wishes,

Nick



At 13:10 12-07-13, you wrote:
I've been considering adding an SDR to my MW dx tool arsenal but I 
am a newbie in that area and am looking for any thoughts or 
recommendations from those of you more experienced than me. The 
primary appeal to me about SDR is the ability to record the entire 
band for later searching.


Currently, I am all Apple: Imac, Macbook Pro, iPad. I've been 
reading up on and have been pretty impressed with the Perseus and 
the WinRadio Excalibur. Are there any Mac users out there using 
them? If so, what do I need to be aware with regard to interface and 
software requirements? If Mac is out of the question for either of 
those, would they work with one of the new Microsoft tablet PC's or 
would I need a full blown Windows PC system?


Another thought I had was to initially, perhaps just 'get my feet 
wet' and play around with one of the USB dongles I've seen 
advertised. Are they a waste of time for serious use? If not, will 
any of those work with a Mac?


Any comments or suggestions would be greatly appreciated.
Thanks

Anthony R Gargano
n...@n2ss.com




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Re: [IRCA] SDR Recommendations?

[Bruce Portzer]

Hi Anthony

I've owned an Excalibur for the past two years, and very recently added 
a Perseus to my radio collection.  Both are quite good receivers.   I'm 
not aware of any Mac software to run either radio, although there may be 
third party software I don't know about.


I've been generally happy withe the User Interface that comes with the 
Excalibur.  I'm much less impressed with the Perseus UI, but I've only 
been using it for a couple of days and may need to give it more time.


I haven't run into the recording issue Nick mentions.  I routinely use 
the Excalibur to record 2 MHZ sections of spectrum (MW  SW) with no 
problems.  That's with a quad core (i5) CPU in my PC. The problem could 
nonetheless occur with older, slower PCs (single CPU and possibly some 
low end dual core PCs).


Bruce

On 7/12/2013 07:29, Nick Hall-Patch wrote:
I'm afraid I don't have a lot of experience with your possible choices 
for SDR, Anthony, and none with driving them with an Apple computer, 
but a couple of thoughts:


I lurk on the Perseus Yahoo list, and people do you use Apple 
computers for Perseus, but I believe it's by running some sort of 
Windows virtual machine.   You could probably get some answers on that 
group, perhaps by first searching the archives.


I seem to recall problems recording the entire band with the 
Excalibur, at least using the native software, but I'm happy to be 
proved wrong.   There are a couple of Yahoo groups devoted to 
Winradio, so again you might get better information there.


I've run the RFSpace SDR-14 with little effort using a Windows 8 
tablet (from Samsung, not Microsoft), and found the tablet itself to 
be remarkably competent for such a low power device, so it may well 
have been able to handle a Perseus with its wider bandwidth.   But it 
has to be Windows 8,  not Windows RT!


best wishes,

Nick



At 13:10 12-07-13, you wrote:
I've been considering adding an SDR to my MW dx tool arsenal but I am 
a newbie in that area and am looking for any thoughts or 
recommendations from those of you more experienced than me. The 
primary appeal to me about SDR is the ability to record the entire 
band for later searching.


Currently, I am all Apple: Imac, Macbook Pro, iPad. I've been reading 
up on and have been pretty impressed with the Perseus and the 
WinRadio Excalibur. Are there any Mac users out there using them? If 
so, what do I need to be aware with regard to interface and software 
requirements? If Mac is out of the question for either of those, 
would they work with one of the new Microsoft tablet PC's or would I 
need a full blown Windows PC system?


Another thought I had was to initially, perhaps just 'get my feet 
wet' and play around with one of the USB dongles I've seen 
advertised. Are they a waste of time for serious use? If not, will 
any of those work with a Mac?


Any comments or suggestions would be greatly appreciated.
Thanks

Anthony R Gargano
n...@n2ss.com


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Re: [IRCA] SDR Recommendations?

[Nick Hall-Patch]

Now that I'm a bit more awake Bruce, I believe that I recall that the Excalibur
was only unable to do timed unattended recordings, but that the pricier
Excalibur Pro can.   What is your experience there?  Two of the DXers at the PEI
expedition last fall were jumping through hoops using Splinterware or some such
in order to record while they caught a few moments of sleep. It wasn't a
computer issue.

Meantime, dead simple Spectravue was reliably performing that service for the
remaining two DXers who were using RFSpace radios.

Do I recall that Perseus' native software has some difficulties in that
direction also?   Simon Brown's SDR Console now handles Perseus I've heard, but
I haven't any experience with its timed recording capabilities, and if I did, it
would be out of date, as that software is constantly developing.

best wishes, 

Nick


Quoting Bruce Portzer bport...@comcast.net:

 Hi Anthony
 
 I've owned an Excalibur for the past two years, and very recently added 
 a Perseus to my radio collection.  Both are quite good receivers.   I'm 
 not aware of any Mac software to run either radio, although there may be 
 third party software I don't know about.
 
 I've been generally happy withe the User Interface that comes with the 
 Excalibur.  I'm much less impressed with the Perseus UI, but I've only 
 been using it for a couple of days and may need to give it more time.
 
 I haven't run into the recording issue Nick mentions.  I routinely use 
 the Excalibur to record 2 MHZ sections of spectrum (MW  SW) with no 
 problems.  That's with a quad core (i5) CPU in my PC. The problem could 
 nonetheless occur with older, slower PCs (single CPU and possibly some 
 low end dual core PCs).
 
 Bruce
 


- End forwarded message -


-- 
NHP

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Re: [IRCA] SDR Recommendations?

[Bruce Portzer]

Nick

For the record, I'm running the Excalibur (G31) using the software 
written for the Excalibur Pro (G33).  A couple of years ago, someone on 
the Winradio YG wrote a dll file that allows you to use this lashup and 
take advantage of features that are in the G33 software that aren't in 
the G31 software.  One of the differences between the two is the ability 
to do spectrum recordings.  The G31 SW only allows you to schedule 
recordings for single frequencies. I've been using the G33 version of 
the software so long that I'd totally forgotten about the limitation in 
the G31 version.


The other possibility is to use third party scheduling software with the 
G31 software, like the guys in PEI did.  I tried that approach with 
mixed success when I first started using the Excalibur.  For a while, my 
antivirus software thought the scheduling software was malicious and 
deleted it on several occasions!  I solved the problem by switching to a 
different antivirus package.


The Perseus native software seems to lack any scheduling function, but 
third party software has been written to take care of that limitation.  
At least that's my conclusion after using the receiver for the past 
three days.  Hopefully one of the Perseus owners on this list will 
clarify that point.


Bruce

On 7/12/2013 20:10, Nick Hall-Patch wrote:


Now that I'm a bit more awake Bruce, I believe that I recall that the Excalibur
was only unable to do timed unattended recordings, but that the pricier
Excalibur Pro can.   What is your experience there?  Two of the DXers at the PEI
expedition last fall were jumping through hoops using Splinterware or some such
in order to record while they caught a few moments of sleep. It wasn't a
computer issue.

Meantime, dead simple Spectravue was reliably performing that service for the
remaining two DXers who were using RFSpace radios.

Do I recall that Perseus' native software has some difficulties in that
direction also?   Simon Brown's SDR Console now handles Perseus I've heard, but
I haven't any experience with its timed recording capabilities, and if I did, it
would be out of date, as that software is constantly developing.

best wishes,

Nick


Quoting Bruce Portzer bport...@comcast.net:


Hi Anthony

I've owned an Excalibur for the past two years, and very recently added
a Perseus to my radio collection.  Both are quite good receivers.   I'm
not aware of any Mac software to run either radio, although there may be
third party software I don't know about.

I've been generally happy withe the User Interface that comes with the
Excalibur.  I'm much less impressed with the Perseus UI, but I've only
been using it for a couple of days and may need to give it more time.

I haven't run into the recording issue Nick mentions.  I routinely use
the Excalibur to record 2 MHZ sections of spectrum (MW  SW) with no
problems.  That's with a quad core (i5) CPU in my PC. The problem could
nonetheless occur with older, slower PCs (single CPU and possibly some
low end dual core PCs).

Bruce



- End forwarded message -




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Re: [IRCA] SDR Recommendations?

[Walter Salmaniw]

Bruce, as a long time Perseus user, yes, there are a number of 3rd party
scheduling softwares.  We've asked Nico, the developer for years for a
native scheduler, without any success.  The various 3rd party schedulers
I've tried were never 100% reliable, until a very simple one called Mestor,
which is the only one I now use.  Downside is, that you can't run Perseus
while it's on.73, Walt Salmaniw, Victoria, BC

On Sat, Jul 13, 2013 at 4:30 AM, Bruce Portzer bport...@comcast.net wrote:

 Nick

 For the record, I'm running the Excalibur (G31) using the software written
 for the Excalibur Pro (G33).  A couple of years ago, someone on the
 Winradio YG wrote a dll file that allows you to use this lashup and take
 advantage of features that are in the G33 software that aren't in the G31
 software.  One of the differences between the two is the ability to do
 spectrum recordings.  The G31 SW only allows you to schedule recordings for
 single frequencies. I've been using the G33 version of the software so long
 that I'd totally forgotten about the limitation in the G31 version.

 The other possibility is to use third party scheduling software with the
 G31 software, like the guys in PEI did.  I tried that approach with mixed
 success when I first started using the Excalibur.  For a while, my
 antivirus software thought the scheduling software was malicious and
 deleted it on several occasions!  I solved the problem by switching to a
 different antivirus package.

 The Perseus native software seems to lack any scheduling function, but
 third party software has been written to take care of that limitation.  At
 least that's my conclusion after using the receiver for the past three
 days.  Hopefully one of the Perseus owners on this list will clarify that
 point.

 Bruce


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Re: [IRCA] SDR Recommendations?

[Nigel Pimblett]

Yes, when I graduated from the SDR-IQ to the Perseus I found the lack of 
a native scheduler to be the biggest downside (along with the lack of a 
pause button on playbacks), but as Walt says there are now plenty of 3rd 
party programs out there.   I've used several and these days I use both 
Mestor and YAPS with virtually 100% reliability.I still use the 
SDR-IQ on occassion and wonder why something so simple yet effective as 
the scheduler in Spectravue couldn't have been added to the Perseus.


73,

Nigel Pimblett

On 12/07/2013 11:19 PM, Walter Salmaniw wrote:

Bruce, as a long time Perseus user, yes, there are a number of 3rd party
scheduling softwares.  We've asked Nico, the developer for years for a
native scheduler, without any success.  The various 3rd party schedulers
I've tried were never 100% reliable, until a very simple one called Mestor,
which is the only one I now use.  Downside is, that you can't run Perseus
while it's on.73, Walt Salmaniw, Victoria, BC

On Sat, Jul 13, 2013 at 4:30 AM, Bruce Portzer bport...@comcast.net wrote:


Nick

For the record, I'm running the Excalibur (G31) using the software written
for the Excalibur Pro (G33).  A couple of years ago, someone on the
Winradio YG wrote a dll file that allows you to use this lashup and take
advantage of features that are in the G33 software that aren't in the G31
software.  One of the differences between the two is the ability to do
spectrum recordings.  The G31 SW only allows you to schedule recordings for
single frequencies. I've been using the G33 version of the software so long
that I'd totally forgotten about the limitation in the G31 version.

The other possibility is to use third party scheduling software with the
G31 software, like the guys in PEI did.  I tried that approach with mixed
success when I first started using the Excalibur.  For a while, my
antivirus software thought the scheduling software was malicious and
deleted it on several occasions!  I solved the problem by switching to a
different antivirus package.

The Perseus native software seems to lack any scheduling function, but
third party software has been written to take care of that limitation.  At
least that's my conclusion after using the receiver for the past three
days.  Hopefully one of the Perseus owners on this list will clarify that
point.

Bruce



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[IRCA] SDR and Linux

[Hawkins]

Gang,

Is anyone using any of the SDR's with Linux?  If so will you email me 
off list.  I not used Windows since W98.  I have some questions, and 
solicit your opinions/advice.


Thanks,
Steve
--
Stephen Hawkins NG0G
n...@mchsi.com
73 49 111 01001001
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[IRCA] SDR-IQ

[Phil Bytheway]

I have recently acquired a SDR-IQ digital wonder radio.
Right now, I'm in the playing with stage... seems to need a bigger antenna 
than 30' strung around the house.
Any ideas/tips on operation or antenna welcome.

 
Phil Bytheway
IRCA Bookstore
Seattle WA
Drake R-7 / KIWA Loop
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Re: [IRCA] SDR-IQ

[Colin Newell]

On Sat, 10 Sep 2011 13:14:45 -0700 (PDT) Phil Bytheway phil_te...@yahoo.com 
wrote:
I have recently acquired a SDR-IQ digital wonder radio.
Right now, I'm in the playing with stage... seems to need a bigger antenna 
than 30' strung around the house.
Any ideas/tips on operation or antenna welcome.


I used Walters -

Bigger is better. Too big and it seems to overload more easily.

Do yourself a favor - attach it to a Pennant antenna and kill the local signals.

Colin Newell is the editor and creator of Coffeecrew.com, DXer.ca and 
BobHarris.com Amateur Radio VA7WWV - Victoria B.C. Canada | 
Twitter.com/coffeecrew
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Re: [IRCA] SDR-IQ

[Nick Hall-Patch]

The RFSpace radios don't seem to like high impedance antennas 
directly connected to the antenna terminal Phil.   If you have a 
Beverage matching transformer handy (for those DXpeditions?) you 
could try using that to get something closer to the 50 ohms the 
SDR-IQ is looking for.   Of course, if your house is anything like 
ours, you will get local electrical noise at greater strength using 
that method.An antenna outdoors might be preferable, but I 
suspect the matching transformer is a must no matter what you do if 
you want to use a random wire.


Do you have an old commercial ferrite loop or a Sanserino loop 
kicking around?  They tend to have low impedance outputs also.


best wishes,

Nick


At 20:14 10-09-11, you wrote:

I have recently acquired a SDR-IQ digital wonder radio.
Right now, I'm in the playing with stage... seems to need a bigger 
antenna than 30' strung around the house.

Any ideas/tips on operation or antenna welcome.


Phil Bytheway
IRCA Bookstore
Seattle WA
Drake R-7 / KIWA Loop
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[IRCA] SDR-IQ for sale

[Chuck]

I'm going to sell my SDR-IQ but will first offer it here for a lower 
price: $275 + shipping. It works perfectly and is in a Hammond enclosure 
with a self-designed laminated panel. Picture available on request. I 
took out the serial connector which is not needed for normal operation - 
you only need it when using it as an IF panadaptor - to avoid cutting an 
ugly hole for the D connector.


Anyone interested?


Chuck
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[IRCA] SDR Software for SDR-IQ

[Les Rayburn]

After reading a bit about the WRplus software and it’s performance, I decided 
to try to use it with my RF Space SDR-IQ receiver. Even if you have a 
conventional receiver, please read on. 

First of all, the WRplus software allows you to easily select both the input 
and output sound card. This is a significant feature, and easy to use. This 
feature allowed me to use my USB “sound card” interface on my Icom 746Pro 
transceiver as the “input” for the software, and my computer’s sound card as 
the “output” to drive speakers. Using my conventional receiver in this manner, 
I could easily process the USB signal out of the Icom into AM, ECSS (sync AM), 
etc. In other words, you can use this software with any receiver as long as you 
have a way to route the audio into your computer. 

Unfortunately, the software will not natively out of the box support the 
SDR-IQ. But you can download the .DLL driver files for the Winrad software, 
which also work well with the WRplus. Simply place these three files into the 
same folder as the WRplus software on your computer and restart the program. 
Now under “input select” you’ll see SDR-14 and SDR-IQ. Select your SDR 
receiver, and you’re in business. 

Now the good stuff...this software is easy to use, intuitive, and powerful. The 
sync AM function compares nicely with the ICF-2001 and the Drake R8B 
performance in this regard. Listening to AM is a pleasure with this feature. 
You can also quickly select other modes, and have some limited ability to 
change the size of filters. The noise blanker performance is also top notch, 
and adjustable. 

One of the downside, you don’t have the ability to tailor the shape and 
sharpness of filters the way that you can in SDR-Console software, and you have 
very few options in regards to the display. 

All in all, I’d say this software will quickly replace SDR-Console as my “go 
to” software, especially for general listening. It’s easy to use, and the audio 
quality is amazing. Best I’ve heard from an SDR-software package. CPU load is 
light too, making this a great choice for older computers and laptops. 

One complaint I’m having with SDR in general is that the promise of this 
technology, you’ll have a new radio “every few months” with features that you 
cannot begin to imagine. In truth, the software is often the limitation. At 
present, no one software package that I’ve tried offers the combination of 
features found on typical high end transceivers in terms of selecting filters, 
notch controls, noise blanking, noise reduction, and other features. 

I find Spectravue to be almost useless due to it’s complexity and steep 
learning curve. SDR-Console is great, and feels the most like a “true” 
receiver, but the audio can be choppy and the CPU load is intense. It also 
seems to “hang” on my computer and not want to open and close properly, often 
requiring restarts of the computer. WRplus seems to be the best combination of 
all that I’ve tried. But none are as easy to use as my primary receiver, the 
Icom 746Pro. 

Really enjoying this topic, and reading it allowed me to discover WRplus, which 
I hadn’t heard of. Please continue to share your experiences with the group, 
and allow all of us to benefit from each other’s efforts. 

73  Good DX,

Les Rayburn, N1LF




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[IRCA] SDR software-WRPlus

[Les Rayburn]

Does anyone know if the WRPlus software will work with the SDR-IQ receiver? 
Very little documentation on the web site. 

73,

Les Rayburn, N1LF


Les Rayburn, Director
High Noon Film
130 1st Avenue West
Alabaster, AL 35007-8536
(205) 621-7500
(205) 621-7505 FAX
(205) 253-4867 CELL
http://www.highnoonfilm.com

From: Mauno Ritola 
Sent: Thursday, January 13, 2011 11:26 AM
To: Mailing list for the International Radio Club of America 
Subject: Re: [IRCA] Testing New SDR software

I don't know/remember, but I just wrote about the matter to the 
designer, Martin Pernter to iw3...@yahoo.it . There is also this page:
http://www.rfsystem.it/shop/ . I don't think there is too much 
assembling to be done for the standard version, maybe just to put the 
board into the enclosure, just like the earliest versions of SDR-IQ.

73, Mauno

13.1.2011 18:59, Les Rayburn kirjoitti:
 Manuo,
 Thanks for the link. However, I’ve searched the site, and cannot find any 
 reference to an assembled version of this receiver being available for 
 purchase. Can you provide a direct URL where an assembled kit can be 
 purchased?
 73,
 Les Rayburn, N1LF
 From: Mauno Ritola
 Sent: Thursday, January 13, 2011 10:37 AM
 To: Mailing list for the International Radio Club of America
 Subject: Re: [IRCA] Testing New SDR software

 PMSDR could be one possibility: http://www.iw3aut.altervista.org/
I think the price was about USD 200 readily assembled two years ago,
 when I last asked. It works now with WRPlus software, which some claim
 to have clearly better audio than Perseus software.

 73, Mauno

 11.1.2011 3:32, Russ Edmunds kirjoitti:
 Thanks, Nick - I missed that. Not that I'd be able to build it, but good to 
 know for those who can.

 Russ Edmunds
 15 mi NNW of Philadelphia
 Grid FN20id
 wb2...@yahoo.com
 FM: Yamaha T-80   Onkyo T-450RDS w/ APS9B @15'; Grundig G8
 AM:  Modified Sony ICF 2010's barefoot


 --- On Mon, 1/10/11, Nick Hall-Patchn...@ieee.org   wrote:

 From: Nick Hall-Patchn...@ieee.org
 Subject: Re: [IRCA] Testing New SDR software
 To: Mailing list for the International Radio Club of 
 Americairca@hard-core-dx.com
 Date: Monday, January 10, 2011, 6:43 PM
 -- 
 Nick Hall-Patch
 Victoria, BC


 from http://www.wb5rvz.com/sdr/:

 Ensemble All-Band RX II

 The SoftRock RX Ensemble Receiver Kit is essentially the
 Ensemble RX, but has an
 extra option allowing the user to build the HF or the LF
 version of the receiver.

 In the first option, the Ensemble RX kit provides coverage
 of ham bands from
 160-10m, in four different optional super bands (each
 with underlap and
 overlap within the parameters of the associated bandpass
 filter):

  1. 160m - Continuous coverage from 1.8 to
 2.0 MHz
  2. 80m and 40m - Continuous coverage from
 3.5 to 7.3 MHz
  3. 30m, 20m, and 17m - Continuous
 coverage from 10.1 to 18.168 MHz
  4. 15m, 12m, and 10m - Continuous
 coverage from 21.0 to 29.7 MHz

 In the second option, the Ensemble RX II provides coverage
 of LF frequencies
 from approximately 160-10m, in four different optional
 super bands (each with
 underlap and overlap within the parameters of the
 associated bandpass filter):

  1. Band 0: 1000m - Continuous coverage
 from 180 kHz to 480 kHz
  2. Band 1: 500m - Continuous coverage
 from 400 kHz to 800 kHz
  3. Band 2: 250m - Continuous coverage
 from 800 kHz to 1.6 MHz
  4. Band 3: 160m - Continuous coverage
 from 1.6 MHz to 3.0 MHz

 ..


 Quoting Russ Edmundswb2...@yahoo.com:

 Looks like the Softrock 160m version tunes only 1.8 to
 2.0 mHz.
 Russ Edmunds
 15 mi NNW of Philadelphia
 Grid FN20id
 wb2...@yahoo.com
 FM: Yamaha T-80   Onkyo T-450RDS w/ APS9B @15';
 Grundig G8
 AM:  Modified Sony ICF 2010's barefoot


 --- On Mon, 1/10/11, Nick Hall-Patchn...@ieee.org
 wrote:
 From: Nick Hall-Patchn...@ieee.org
 Subject: Re: [IRCA] Testing New SDR software
 To: Mailing list for the International Radio
 Club of America
 irca@hard-core-dx.com
 Date: Monday, January 10, 2011, 3:00 PM
 If you're willing to do a fair bit of
 work (and learning and experimenting)
 yourself, then I suspect you can SDR for
 peanuts:
 http://www.wb5rvz.com/sdr/

 http://homepages.wightcable.net/~g4zfq/Si570.htm

 This is the Softrock kit, versions of which can
 cover MW
 apparently.  I have no
 experience of these, but the very capable
 Sdr-radio
 software can run them (no
 cost)prices under $100 for the hardware
 kits...when
 available.



 best wishes,

 Nick


 -- 
 Nick Hall-Patch
 Victoria, BC




 Quoting HASCALL, DAVID CIV DFASdavid.hasc...@dfas.mil:

 Agree - For me $850 may as well be $1000 or
 $2000.  I have never owned
 an expensive rig for any bands that I DX
 on.
 Look at the Sony HD Tuner
 for FM DX'ing.  It competes against tuners
 costing five times as much.
 I can justify a $70 purchase but not a $400
 one, just
 to DX the FM band.
 Plus, I now have a decent tuner for general
 listening.
 I am 

Re: [IRCA] SDR software-WRPlus

[Mauno Ritola]

It's user guide says:

Starting with V1.0 Winrad supports external hardware trough specific 
DLLs. The first such DLL written is for support of the SDR-14 and the 
SDR-IQ (see http://www.rfspace.com).


(WRPlus is based on Winrad)

73, Mauno

13.1.2011 20:17, Les Rayburn kirjoitti:

Does anyone know if the WRPlus software will work with the SDR-IQ receiver? 
Very little documentation on the web site.

73,

Les Rayburn, N1LF


Les Rayburn, Director
High Noon Film
130 1st Avenue West
Alabaster, AL 35007-8536
(205) 621-7500
(205) 621-7505 FAX
(205) 253-4867 CELL
http://www.highnoonfilm.com

From: Mauno Ritola
Sent: Thursday, January 13, 2011 11:26 AM
To: Mailing list for the International Radio Club of America
Subject: Re: [IRCA] Testing New SDR software

I don't know/remember, but I just wrote about the matter to the
designer, Martin Pernter to iw3...@yahoo.it . There is also this page:
http://www.rfsystem.it/shop/ . I don't think there is too much
assembling to be done for the standard version, maybe just to put the
board into the enclosure, just like the earliest versions of SDR-IQ.

73, Mauno

13.1.2011 18:59, Les Rayburn kirjoitti:

Manuo,
Thanks for the link. However, I’ve searched the site, and cannot find any 
reference to an assembled version of this receiver being available for 
purchase. Can you provide a direct URL where an assembled kit can be purchased?
73,
Les Rayburn, N1LF
From: Mauno Ritola
Sent: Thursday, January 13, 2011 10:37 AM
To: Mailing list for the International Radio Club of America
Subject: Re: [IRCA] Testing New SDR software

PMSDR could be one possibility: http://www.iw3aut.altervista.org/
I think the price was about USD 200 readily assembled two years ago,
when I last asked. It works now with WRPlus software, which some claim
to have clearly better audio than Perseus software.

73, Mauno

11.1.2011 3:32, Russ Edmunds kirjoitti:

Thanks, Nick - I missed that. Not that I'd be able to build it, but good to 
know for those who can.

Russ Edmunds
15 mi NNW of Philadelphia
Grid FN20id
wb2...@yahoo.com
FM: Yamaha T-80Onkyo T-450RDS w/ APS9B @15'; Grundig G8
AM:  Modified Sony ICF 2010's barefoot


--- On Mon, 1/10/11, Nick Hall-Patchn...@ieee.orgwrote:


From: Nick Hall-Patchn...@ieee.org
Subject: Re: [IRCA] Testing New SDR software
To: Mailing list for the International Radio Club of 
Americairca@hard-core-dx.com
Date: Monday, January 10, 2011, 6:43 PM
--
Nick Hall-Patch
Victoria, BC


from http://www.wb5rvz.com/sdr/:

Ensemble All-Band RX II

The SoftRock RX Ensemble Receiver Kit is essentially the
Ensemble RX, but has an
extra option allowing the user to build the HF or the LF
version of the receiver.

In the first option, the Ensemble RX kit provides coverage
of ham bands from
160-10m, in four different optional super bands (each
with underlap and
overlap within the parameters of the associated bandpass
filter):

  1. 160m - Continuous coverage from 1.8 to
2.0 MHz
  2. 80m and 40m - Continuous coverage from
3.5 to 7.3 MHz
  3. 30m, 20m, and 17m - Continuous
coverage from 10.1 to 18.168 MHz
  4. 15m, 12m, and 10m - Continuous
coverage from 21.0 to 29.7 MHz

In the second option, the Ensemble RX II provides coverage
of LF frequencies
from approximately 160-10m, in four different optional
super bands (each with
underlap and overlap within the parameters of the
associated bandpass filter):

  1. Band 0: 1000m - Continuous coverage
from 180 kHz to 480 kHz
  2. Band 1: 500m - Continuous coverage
from 400 kHz to 800 kHz
  3. Band 2: 250m - Continuous coverage
from 800 kHz to 1.6 MHz
  4. Band 3: 160m - Continuous coverage
from 1.6 MHz to 3.0 MHz

..


Quoting Russ Edmundswb2...@yahoo.com:


Looks like the Softrock 160m version tunes only 1.8 to

2.0 mHz.

Russ Edmunds
15 mi NNW of Philadelphia
Grid FN20id
wb2...@yahoo.com
FM: Yamaha T-80Onkyo T-450RDS w/ APS9B @15';

Grundig G8

AM:  Modified Sony ICF 2010's barefoot


--- On Mon, 1/10/11, Nick Hall-Patchn...@ieee.org

wrote:

From: Nick Hall-Patchn...@ieee.org
Subject: Re: [IRCA] Testing New SDR software
To: Mailing list for the International Radio

Club of America

irca@hard-core-dx.com

Date: Monday, January 10, 2011, 3:00 PM
If you're willing to do a fair bit of
work (and learning and experimenting)
yourself, then I suspect you can SDR for

peanuts:

http://www.wb5rvz.com/sdr/

http://homepages.wightcable.net/~g4zfq/Si570.htm

This is the Softrock kit, versions of which can

cover MW

apparently.  I have no
experience of these, but the very capable

Sdr-radio

software can run them (no
cost)prices under $100 for the hardware

kits...when

available.



best wishes,

Nick


--
Nick Hall-Patch
Victoria, BC




Quoting HASCALL, DAVID CIV DFASdavid.hasc...@dfas.mil:


Agree - For me $850 may as well be $1000 or

$2000.  I have never owned

an expensive rig for any bands that I DX

on.

Look at the Sony HD Tuner

for FM DX'ing.  

[IRCA] SDR-14 quirks

[Craig Healy]

After using the RFSpace SDR-14 for quite a while, I've noticed some odd
behavior.  First is a minimal thing.  The spike for an AM carrier seems to
drop slightly when the unit is tuned to that frequency.  Drops by a couple
of db.  When there are two adjacent stations at the same signal strength,
the one it's tuned to is always slightly lower.

The second issue is one of noise.  At least in this installation, it's a
problem that blocks out weaker stations.  When it's tuned above 490 KHz
there is a wide noise level that covers hundreds of KHz.
http://www.am-dx.com/Graphics/490.gif

When I tune below 490 KHz it goes away.  It does this consistently like an
on-off switch.
http://www.am-dx.com/Graphics/480.gif

I thought there was a gain change, but that doesn't appear to be.  I noticed
a spur at 505 KHz that is at the same -90 level in both pictures.  This is
consistent across several antennas, including one outside on the tower.
Anyone else notice this?

Craig Healy
Providence, RI


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Re: [IRCA] SDR-14 quirks

[Nick Hall-Patch]

At 12:07 6/20/2009, you wrote:

After using the RFSpace SDR-14 for quite a while, I've noticed some odd
behavior.  First is a minimal thing.  The spike for an AM carrier seems to
drop slightly when the unit is tuned to that frequency.  Drops by a couple
of db.  When there are two adjacent stations at the same signal strength,
the one it's tuned to is always slightly lower.


Not noted here at first glance, Craig.   


The second issue is one of noise.  At least in this installation, it's a
problem that blocks out weaker stations.  When it's tuned above 490 KHz
there is a wide noise level that covers hundreds of KHz.
http://www.am-dx.com/Graphics/490.gif

When I tune below 490 KHz it goes away.  It does this consistently like an
on-off switch.
http://www.am-dx.com/Graphics/480.gif

I thought there was a gain change, but that doesn't appear to be. 


This isn't noted either.What are your gain settings (RF and IF)?  I'm 
wondering if whatever you have on 540 is starting to overdrive some part of the 
receiver, probably the IFtry decreasing IF gain and see if it is still a 
problem.  Your display is the receiver bandwidth, and a strong signal there can 
overdrive the receiver. 

 I noticed
a spur at 505 KHz that is at the same -90 level in both pictures.  This is
consistent across several antennas, including one outside on the tower.
Anyone else notice this?

I've seen this, but not on the one that I have here;  I thought I had a poorly 
filtered switching power supply somewhere in the circuitry accompanying the 
SDR14, but now I'd better look more carefully.

best wishes,

Nick


*
Nick Hall-Patch
Victoria, BC
Canada 

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Re: [IRCA] SDR

[Brett Saylor]

On May 15, 2009, at 1:34 AM, Phil Bytheway wrote:



Thinking about getting a SDR for AM DX.
Any advice is appreciated.
Web sites would help.

philbytheway


Guy's blog is the best place to get started learning about the Perseus  
SDR (which seems to be the one to beat at the moment). It's at:


http://perseus-sdr.blogspot.com/

Be careful, though - once you start reading about it, you may have a  
difficult time resisting the urge to buy one!



Brett Saylor
N3EVB
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Re: [IRCA] SDR

[BARRY DAVIES]

Hello Phil
I have one and already sold my AR7030 after 10 years good service. The ability 
to tune the entire AM band overnight and then listen with full functionality 
later that afternoon is, for me, a giant step forward in the hobby. To hear a 
particular DX catch and then search the rest of the band for stations in the 
same locality is truly amazing. You still need a good antenna (I have an EWE) 
and a lot of time. Here is the web page  http://www.microtelecom.it/perseus/
Barry





 

--- On Fri, 15/5/09, Brett Saylor bsay...@gmail.com wrote:

From: Brett Saylor bsay...@gmail.com
Subject: Re: [IRCA] SDR
To: Mailing list for the International Radio Club of America 
irca@hard-core-dx.com
Date: Friday, 15 May, 2009, 9:54 PM

On May 15, 2009, at 1:34 AM, Phil Bytheway wrote:

 
 Thinking about getting a SDR for AM DX.
 Any advice is appreciated.
 Web sites would help.
 
 philbytheway

Guy's blog is the best place to get started learning about the Perseus SDR
(which seems to be the one to beat at the moment). It's at:

http://perseus-sdr.blogspot.com/

Be careful, though - once you start reading about it, you may have a difficult
time resisting the urge to buy one!


Brett Saylor
N3EVB
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Re: [IRCA] SDR

[Neil Kazaross]

Craig, I believe it was Bruce Conti who said his SDR was also significantly 
better than the R8B for audio recovery from splits. That alone (since I need 
real good selectivity here for TA and the continuing TP quest) should 
convince me to get one.


Anyhow, the question here is whether anyone has done a side by side 
comparison of the RFSpace SDR's vs the Perseus for very difficult signal 
recovery situations... ie pulling that weak split out of the mess.


73 KAZ
- Original Message - 
From: Craig Healy bu...@dukes-of-hazzard.com
To: Mailing list for the International Radio Club of America 
irca@hard-core-dx.com

Sent: Friday, May 15, 2009 6:22 AM
Subject: Re: [IRCA] SDR



Thinking about getting a SDR for AM DX.
Any advice is appreciated.


I've had an RFSpace SDR-14 for a year or so and it's been great.  I find 
it

far better than the Drake R8B or any of the previous radios I've had.  The
SDR-IQ also gets great reviews, as does the Perseus.  From what I've read,
the ICOM SDR rigs aren't as good.  WinRadio may not be either.  Dollar for
dollar, the SDR-IQ seems to be the champ.

There are some ham-oriented rigs that include transmitters.  While the
receivers can be excellent, the cost is too high.

Craig Healy
Providence, RI


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Re: [IRCA] SDR

[Craig Healy]

 Craig, I believe it was Bruce Conti who said his SDR was also
significantly
 better than the R8B for audio recovery from splits. That alone (since I
need
 real good selectivity here for TA and the continuing TP quest) should
 convince me to get one.

I am impressed with this thing.  A project I have is setting an older IBM
laptop so it can run off it.  The laptop has a password issue that's stopped
me.  I have to hack a chip or replace it to get it to work.  The previous
owner forgot the password and that IBM is a security nightmare.  What I want
to do is be able to set it to record when parked at a great spot like Mark
C. and others do.

 Anyhow, the question here is whether anyone has done a side by side
 comparison of the RFSpace SDR's vs the Perseus for very difficult signal
 recovery situations... ie pulling that weak split out of the mess.

There was a comment on the RFSpace having spurs when in an urban location.
I find the internal attenuators and external DX Engineering RPA-1 preamp can
be manipulated so that isn't an issue.  An antenna tuner would also do that,
though limit the recording bandwidth to one channel.

I may try a Perseus someday, but there needs to be a lottery win first...
(grin)

Also makes me wonder what the next generation of SDRs will be like.  Maybe
something the size of an iPhone with 10 terabyte storage onboard.  Maybe
even a holographic projected screen and keyboard.  And a serious carbon
nanotube-sourced ferrite rod antenna.  A rod that measures an inch long but
acts like it's a yard in length.  Talk about a ULR!  One can dream...

Craig Healy
Providence, RI


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Re: [IRCA] SDR

[John Callarman]

I have come into a small inheritance from which I believe I can modernize my 
DX-ability centered around the Perseus SDR. But I, too, would like some advice, 
particularly on finding an adequate laptop computer through which to operate. 

I see the Perseus as a device which can enable the BCB DX'er, particularly a 
retiree such as I, do DX sunrise, sunset and any sunset to sunrise hours at any 
time after the actual reception fact. In other words, during the long, DST 
summer hours, one can, if he has sufficient storage capacity, go back to an 
auroral night in the fall and pick off many good IDs.

I also look at it as a good companion for travels, allowing one to do band 
surveys anywhere. It would have been fun to have the Perseus along a couple of 
years ago when I was in Shanghai, Beijing and Xi'an, assuming I could have 
found a location where ambient noise didn't destroy the medium wave band. (I 
came back with several dozen 45- and 60-minute cassette airchecks on FM 
broadcasters in those three cities.)

Specific advice I would like to hear:

1- the best options for laptop computer, which I would prefer not to connect to 
the Internet, capacity? What kind of soundcard I'd need? Anything else I'd need 
to make it work?

2- Easiest way to run Perseus off car battery. I've read Mark Connelly's recent 
recap of his experience, and when I say easiest way, bear in mind that I have 
no confidence whatsoever in my ability to construct anything.

3- Antennas, at home and on the road. Obviously, if the Perseus is my primary 
receiver, I'll need something broadband. After rereading John Bryant's article 
from a year or so ago on his experience with the prototype new K9AY system, 
that sounds like the ideal ... and I actually have enough space to put a couple 
of K9AYs 105 feet apart ... but equal length of lead-in to get to anyplace I 
would set up the receivers would be difficult. What would be more difficult 
would be to get XYL approval. A gazebo (another target for the small 
inheritance) would fit in her vision; a couple of K9AYs would not! 

The Kaz, Pennant and Flag, from what I read, appear to be sufficiently 
broadband to handle an entire Perseus span (correct me if I'm wrong), but 
again, I have a long mowable backyard to consider ... mowable being the 
operative word. (We own two houses on nine 30 by 120 lots, giving us 120 by 270 
to play with; the second house is our guest house for family gatherings.)  
But that neither of the three is ground-dependent works in their favor. 

The easiest to install, it appears to me after visiting Pat Martin in Seaside 
in 2008 when I was back in the Northwest for a 55th high school reunion in 
Corvallis, would be the EWE, assuming I could set up an adequate ground system. 
Even something as simple as the connections on either end of the antenna 
challenge my lack of confidence in my construction capabilities. In my ancient, 
feeble mind, I envision a flexible EWE format, involving at least one leg in a 
portable cement block, so the one antenna (or maybe two antennas) could be 
reoriented for the next recording session. Does that make sense? 

For on-the-road, what's the best compromise for broadband portable? I suppose a 
wire outside a window would be adequate for band survey purposes. 

You'll notice I'm not really considering phasing, since in looking at my 
personal reality, my actual live time at the dials will be minimal.

I have visions of how the late, great Roy H. Millar, the pioneer in setting 
tapes to record overnight DX in the '50s and '60s so he wouldn't annoy his 
wife, would use a Perseus-based system. And I also have visions of how the 
late, great Ted Vasilopolous, a DX-ing purist, who thought unattended 
overnight DX'ing by machine was cheating, would feel about the technology now 
available to us. Vasilopolous belittled Millar, in the pages of NRC's DX News 
in 1956, as the Sleeping DX'er of Issaquah. I admired and appreciated both 
those guys, whom I was fortunate enough to have visited in their homes in 1958, 
back when I should have been snapping whips. (Isn't that what whippersnappers 
do?)

And while I'm dredging through the remnants of my memory, I can't help but 
think how Perseus (and the other similar systems) would be Gordon Nelson's 
dream come true.

Qal R. Mann, Krumudgeon  
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Re: [IRCA] SDR

[Rick Kunath]

On Saturday 16 May 2009 11:02:05 am Craig Healy wrote:
 I am impressed with this thing.  A project I have is setting an older IBM
 laptop so it can run off it.  The laptop has a password issue that's
 stopped me.  I have to hack a chip or replace it to get it to work.  The
 previous owner forgot the password and that IBM is a security nightmare. 

Hard drive password or BIOS password?

Which model ThinkPad?

Rick Kunath
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Re: [IRCA] SDR

[Guy Atkins]

Hi Kaz,

A very detailed performance comparison between the SDR-IQ and Perseus was
made by Marco Bruno IK1ODO last year. His article Digital Down Conversion
Receivers Compared was published in the March 2008 edition of RadCom
magazine. It focuses on the hardware side of the receiver and strong signal
handling performance. You can download the PDF here:
http://www.ssb.de/amateur/pdf/radcom_mar08.pdf

Here are some key figures from Bruno's measurements:

Blocking dynamic range, 2.4kHz BW: Perseus = 120db; SDR-IQ = 108db

Calculated IP3 intermodulation distortion: Perseus = 33dBm (dither on,
preamp off); SDR-IQ = 14dBm (max gain)

IMD3 dynamic range: Perseus = 102dB (dither on, preamp off); SDR-IQ = 90dB
(max gain)

73,

Guy Atkins
Puyallup, WA
www.perseus-sdr.blogspot.com




 Message: 4
 Date: Sat, 16 May 2009 09:35:03 -0500
 From: Neil Kazaross neil...@earthlink.net
 To: Mailing list for the International Radio Club of America
irca@hard-core-dx.com
 Subject: Re: [IRCA] SDR
 Message-ID: 002601c9d633$805881d0$3200a...@bigyam
 Content-Type: text/plain; format=flowed; charset=iso-8859-1;
reply-type=original

 Craig, I believe it was Bruce Conti who said his SDR was also significantly
 better than the R8B for audio recovery from splits. That alone (since I
 need
 real good selectivity here for TA and the continuing TP quest) should
 convince me to get one.

 Anyhow, the question here is whether anyone has done a side by side
 comparison of the RFSpace SDR's vs the Perseus for very difficult signal
 recovery situations... ie pulling that weak split out of the mess.

 73 KAZ
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Re: [IRCA] SDR

[Guy Atkins]

Hi John,

Many of your questions have been answered on the Perseus SDR Yahoogroup. The
archives are an excellent reference that you can investigate. You don't have
to sign up with the group, as the messages can be searched without being a
member:  http://groups.yahoo.com/group/perseus_SDR/messages

73,

Guy Atkins
Puyallup, WA
www.perseus-sdr.blogspot.com




 Date: Sat, 16 May 2009 10:55:51 -0500
 From: John Callarman johncallar...@msn.com
 To: Neil Kazaross neil...@earthlink.net,Mailing list for the
International Radio Club of Americairca@hard-core-dx.com
 Subject: Re: [IRCA] SDR



 I have come into a small inheritance from which I believe I can modernize
 my DX-ability centered around the Perseus SDR. But I, too, would like some
 advice, particularly on finding an adequate laptop computer through which to
 operate.

 SNIP
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Re: [IRCA] SDR

[John Callarman]

Thanks, Guy, for the URL. I'll check it out. Having grown up in the Pacific 
Northwest (Corvallis, Oregon), I envy y'all for the DX-peditions, etc. But I 
married a Texas girl ... so, here I am.
  - Original Message - 
  From: Guy Atkinsmailto:d...@guyatkins.com 
  To: irca@hard-core-dx.commailto:irca@hard-core-dx.com 
  Sent: Saturday, May 16, 2009 12:12 PM
  Subject: Re: [IRCA] SDR


  Hi John,

  Many of your questions have been answered on the Perseus SDR Yahoogroup. The
  archives are an excellent reference that you can investigate. You don't have
  to sign up with the group, as the messages can be searched without being a
  member:  
http://groups.yahoo.com/group/perseus_SDR/messageshttp://groups.yahoo.com/group/perseus_SDR/messages

  73,

  Guy Atkins
  Puyallup, WA
  www.perseus-sdr.blogspot.comhttp://www.perseus-sdr.blogspot.com/




   Date: Sat, 16 May 2009 10:55:51 -0500
   From: John Callarman johncallar...@msn.commailto:johncallar...@msn.com
   To: Neil Kazaross neil...@earthlink.netmailto:neil...@earthlink.net,  
  Mailing list for the
  International Radio Club of America
irca@hard-core-dx.commailto:irca@hard-core-dx.com
   Subject: Re: [IRCA] SDR
  


   I have come into a small inheritance from which I believe I can modernize
   my DX-ability centered around the Perseus SDR. But I, too, would like some
   advice, particularly on finding an adequate laptop computer through which to
   operate.
  
   SNIP
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Re: [IRCA] SDR

[Craig Healy]

 Thinking about getting a SDR for AM DX.
 Any advice is appreciated.

I've had an RFSpace SDR-14 for a year or so and it's been great.  I find it
far better than the Drake R8B or any of the previous radios I've had.  The
SDR-IQ also gets great reviews, as does the Perseus.  From what I've read,
the ICOM SDR rigs aren't as good.  WinRadio may not be either.  Dollar for
dollar, the SDR-IQ seems to be the champ.

There are some ham-oriented rigs that include transmitters.  While the
receivers can be excellent, the cost is too high.

Craig Healy
Providence, RI


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Re: [IRCA] SDR

[Walter Salmaniw]

At 10:34 PM 5/14/2009, you wrote:

Thinking about getting a SDR for AM DX.
Any advice is appreciated.
Web sites would help.
 
philbytheway


Phil, I simply can't say enough good things about the Perseus SDR.  At this 
time, as far as I'm concerned, it's by far the best choice for MW 
DXingWalt. (www.microtelecom.it/perseus)


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Re: [IRCA] SDR

[Bill Harms]

They are great.  Just make sure you have a lot of  hard disk space to 
store the receptions, and a lot of time to review them.


Bill Harms

Phil Bytheway wrote:

Thinking about getting a SDR for AM DX.
Any advice is appreciated.
Web sites would help.
 
philbytheway



  


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Re: [IRCA] SDR

[Nick Hall-Patch]

At 13:30 5/15/2009, you wrote:
At 10:34 PM 5/14/2009, you wrote:

Thinking about getting a SDR for AM DX.
Any advice is appreciated.
Web sites would help.
 
philbytheway


Phil, I simply can't say enough good things about the Perseus SDR.  At this 
time, as far as I'm concerned, it's by far the best choice for MW 
DXingWalt. (www.microtelecom.it/perseus)

There's at least a couple of Perseii in your area, Phil.  Check with Guy and/or 
Chuck, and check Guy's blog: http://perseus-sdr.blogspot.com/.

I presume that you want an SDR for its capability of recording many signals at 
once?  If so, Perseus is the winner, with a maximum of 1600kHz of recordable 
bandwidth.If you just want to get a feel for what the fuss is about, an 
RFSpace SDR-IQ (http://www.rfspace.com/Home.html) will do that for less 
expense, but with only 190kHz of recordable bandwidth.

However, the SDR-IQ (and its big brother, the SDR-14) can show spurious signals 
in urban areas whereas the Perseus has a good reputation as a high quality 
receiver in its own right, even if you never used the full recording 
capabilities.  The Perseus also has a very active Yahoo group, with some pretty 
high level technical discussion.

Radio reception on the RFSpace units seems to have been an add-on to the 
SDR-14's use as an inexpensive recording spectrum analyzer, which have been 
featured in scientific work such as communications with a the Mars Phoenix 
lander (http://www.rfspace.com/BLOG/BLOG.html), and even a type of broadband 
sonar in this part of Canada.   Also, a number of SDR-14/IQ owners seem to use 
it for downconversion from VHF, similar to  the Mars lander work.Although 
it's not open-source,  a lot of the code that is used to run the SDR-14 and IQ 
is freely available from the manufacturer, though there doesn't seem to be much 
evidence of people developing it further, at least on the respective Yahoo 
groups for the these SDRs.

The Perseus, in contrast, seems to have been developed primarily as a radio, 
and owners (the bulk of them MW DXers it appears) seem to be pretty ecstatic.   
Although the manufacturer's code isn't available, there are at least two 
open-source programs that will drive the hardware, Winrad and Linrad.

Good luck in your hunt.

Nick








*
Nick Hall-Patch
Victoria, BC
Canada 

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[IRCA] SDR

[Phil Bytheway]

Thinking about getting a SDR for AM DX.
Any advice is appreciated.
Web sites would help.
 
philbytheway


  

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[IRCA] SDR-14 and Linux

[Craig Healy]

I have an older IBM Thinkpad laptop in halfway decent condition.  It has
Windows 98 and is kind of useless for normal computer work.  Today I put the
Linux-based Knoppix boot CD in and it started up.  All the tools like the
network connection, sound card and whatnot were found and started.  The
thing needs more memory and a new battery, but I ordered those this evening.

What I want to do is use it to run my SDR-14 receiver as a portable.
Apparently there is a program called LINRAD that works with the receiver and
Linux (Knoppix).  I think this will be quite useful.

Question:  Has anyone run the SDR-IQ or SDR-14 receiver through a Linux
computer?  Is the LINRAD program as good as the supplied Spectravue?  Any
thoughts?

Craig Healy
Providence, RI


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Re: [IRCA] SDR-IQ Files of TA MW Reception - from Mark Connelly

[Karl J. Zuk]

Where can we see Mark's files?

Thanks, Karl Zuk  N2KZ




 Date: Thu, 25 Sep 2008 21:30:03 -0700
 From: [EMAIL PROTECTED]
 To: irca@hard-core-dx.com
 Subject: Re: [IRCA] SDR-IQ Files of TA MW Reception - from Mark Connelly
 
  I have uploaded three of Mark Connelly's SDR-IQ files of Trans-Atlantic MW
  DX reception (180 kHz segments) to my Web storage space:
 
 And I downloaded all three files.
 
 Good heavens. Life on the East Coast!
 
 These files are mind boggling.
 
 Anyone with a PC out there and a good connection to
 the net should download these files - if only
 to see how the other half DX!
 
 Thank you Guy for making this possible!
 
 --
 Colin Newell - Editor - coffeecrew.com | coffee.bc.ca | DXer.ca
 Web-Design / E-Commerce / Writing
 Victoria, British Columbia, Canada
 
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Get more out of the Web. Learn 10 hidden secrets of Windows Live.
http://windowslive.com/connect/post/jamiethomson.spaces.live.com-Blog-cns!550F681DAD532637!5295.entry?ocid=TXT_TAGLM_WL_domore_092008
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Re: [IRCA] SDR-IQ Files of TA MW Reception - from Mark Connelly

[Walter Salmaniw]

Thanks, Guy for making this possible.  I'm going to really enjoy plowing 
through these!..Walt.


At 11:17 PM 9/24/2008, you wrote:
I have uploaded three of Mark Connelly's SDR-IQ files of Trans-Atlantic MW
DX reception (180 kHz segments) to my Web storage space:

www.guyatkins.com/files/sdr/20070920_0008-0013z_530-720.wav  (530-720 kHz,
recorded September 20, 2007) (247 Mb)

www.guyatkins.com/files/sdr/20071017_2318-2324z_720-910.wav  (720-910 kHz,
recorded October 17, 2007) (308 Mb)

www.guyatkins.com/files/sdr/20071017_2146-2154z_1050-1240.wav  (1050-1240
kHz, recorded October 17, 2007) (378 Mb)

These files require the RFSpace SpectraVue software for playback and
reception of the DX within the 190 kHz range.

Mark says that all three files were recorded at the Granite Pier DX site
with car-roof antennas.

Mark can be contacted at markwa1ion at aol dot com if you have any questions
or comments on these files.

Best DX,

Guy Atkins
Puyallup, WA USA
www.perseus-sdr.blogspot.com
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[IRCA] SDR-IQ Files of TA MW Reception - from Mark Connelly

[cafe]

I was tuning through these signals last night...

Mark: Is this a typical night for you?

I have a cassette tape from 1975 or 1976 from a MW DXer
from Nova Scotia names Mike Dunn - who is 100% amateur radio now...
that sent me a 90 minute cassette of a typical evenings listening
just North of Halifax Nova Scotia... I even pressed it to CD.
If anyone is interested, I will upload some of it as MP3 to my website.
Chock-a-block of classic 70's TA reception

 www.guyatkins.com/files/sdr/20070920_0008-0013z_530-720.wav  (530-720 kHz,
 recorded September 20, 2007) (247 Mb)
 
 www.guyatkins.com/files/sdr/20071017_2318-2324z_720-910.wav  (720-910 kHz,
 recorded October 17, 2007) (308 Mb)
 
 www.guyatkins.com/files/sdr/20071017_2146-2154z_1050-1240.wav  (1050-1240
 kHz, recorded October 17, 2007) (378 Mb)

--
Colin Newell - Editor - coffeecrew.com | coffee.bc.ca | DXer.ca
Web-Design / E-Commerce / Writing
Victoria, British Columbia, Canada

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Re: [IRCA] SDR-IQ Files of TA MW Reception - from Mark Connelly

[Paul B. Walker, Jr.]

To see Mark's files look at the first post or click the links below.  You'd
already know where to see the files if you read this thread from start to
finish.

www.guyatkins.com/files/sdr/20070920_0008-0013z_530-720.wav  (530-720 kHz,
recorded September 20, 2007) (247 Mb)
www.guyatkins.com/files/sdr/20071017_2318-2324z_720-910.wav  (720-910 kHz,
recorded October 17, 2007) (308 Mb)
www.guyatkins.com/files/sdr/20071017_2146-2154z_1050-1240.wav  (1050-1240
kHz, recorded October 17, 2007) (378 Mb)

On Fri, Sep 26, 2008 at 7:18 AM, Karl J. Zuk [EMAIL PROTECTED] wrote:


 Where can we see Mark's files?

 Thanks, Karl Zuk  N2KZ




  Date: Thu, 25 Sep 2008 21:30:03 -0700
  From: [EMAIL PROTECTED]
  To: irca@hard-core-dx.com
  Subject: Re: [IRCA] SDR-IQ Files of TA MW Reception - from Mark Connelly
  
   I have uploaded three of Mark Connelly's SDR-IQ files of Trans-Atlantic
 MW
   DX reception (180 kHz segments) to my Web storage space:
 
  And I downloaded all three files.
 
  Good heavens. Life on the East Coast!
 
  These files are mind boggling.
 
  Anyone with a PC out there and a good connection to
  the net should download these files - if only
  to see how the other half DX!
 
  Thank you Guy for making this possible!
 
  --
  Colin Newell - Editor - coffeecrew.com | coffee.bc.ca | DXer.ca
  Web-Design / E-Commerce / Writing
  Victoria, British Columbia, Canada
 
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-- 
Sincerely,
Paul B. Walker, Jr.
http://www.realradiousa.com
http://www.myspace.com/walkerbroadcasting
[EMAIL PROTECTED]
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[IRCA] SDR-IQ Files of TA MW Reception - from Mark Connelly

[Guy Atkins]

I have uploaded three of Mark Connelly's SDR-IQ files of Trans-Atlantic MW
DX reception (180 kHz segments) to my Web storage space:

www.guyatkins.com/files/sdr/20070920_0008-0013z_530-720.wav  (530-720 kHz,
recorded September 20, 2007) (247 Mb)

www.guyatkins.com/files/sdr/20071017_2318-2324z_720-910.wav  (720-910 kHz,
recorded October 17, 2007) (308 Mb)

www.guyatkins.com/files/sdr/20071017_2146-2154z_1050-1240.wav  (1050-1240
kHz, recorded October 17, 2007) (378 Mb)

These files require the RFSpace SpectraVue software for playback and
reception of the DX within the 190 kHz range.

Mark says that all three files were recorded at the Granite Pier DX site
with car-roof antennas.

Mark can be contacted at markwa1ion at aol dot com if you have any questions
or comments on these files.

Best DX,

Guy Atkins
Puyallup, WA USA
www.perseus-sdr.blogspot.com
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Re: [IRCA] SDR-IQ Files of TA MW Reception - from Mark Connelly

[cafe]

 I have uploaded three of Mark Connelly's SDR-IQ files of Trans-Atlantic MW
 DX reception (180 kHz segments) to my Web storage space:

And I downloaded all three files.

Good heavens. Life on the East Coast!

These files are mind boggling.

Anyone with a PC out there and a good connection to
the net should download these files - if only
to see how the other half DX!

Thank you Guy for making this possible!

--
Colin Newell - Editor - coffeecrew.com | coffee.bc.ca | DXer.ca
Web-Design / E-Commerce / Writing
Victoria, British Columbia, Canada

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[IRCA] SDR-IQ order placed

[Bill Harms]

I took the plunge. I just placed an order for the SDR-IQ from Universal 
this morning. If it is in stock, I should have it in within the next 
week. It should be fun!
-- 
Bill Harms
Elkridge, Maryland

Check out the Spokane Radio History Pages
http://spokaneradio.philcobill.com

and the Spokane Radio Tower Pages
http://spokanetowers.philcobill.com
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[IRCA] SDR-IQ order placed

[Rob Moore]

Hi Bill,

I'm sure you'll enjoy it.  I have one and also a Perseus and I know you'll 
enjoy being able to 
see 192Khz of the spectrum at one time, and selecting 
station by clicking on the peaks is great fun!  Being able to 
record it and analyze it later is really neat also.
Walt has one and seems to like it as well.  Just be aware 
that the software is fairly primitive when compared to a 
Winradio G313.

Regards,
Rob


From: Bill Harms [EMAIL PROTECTED]
Subject: [IRCA] SDR-IQ order placed
To: IRCA irca@hard-core-dx.com, National Radio Club [EMAIL PROTECTED]
Message-ID: [EMAIL PROTECTED]
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

I took the plunge. I just placed an order for the SDR-IQ from Universal
 
this morning. If it is in stock, I should have it in within the next 
week. It should be fun!
-- 
Bill Harms
Elkridge, Maryland
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[IRCA] SDR-IQ Dual-frequency reception capability instructions

[Brett Saylor]

This may be old news to other SDR-IQ users on this list, but it was new to
me, so I though I would post it. The instructions are lifted from a review
of the radio on eham.net written by KF6CM.


To listen to 2 *different* frequencies (within the same 190 kHz bandwidth
screen) simultaneously using Spectravue software:

 -at the bottom of the OutputSetup window, click the Dual Channel Demod
stereo output. [this puts one frequency in each of the left and right audio
output channels; to listen to both frequencies together in mono, choose
Dual Channel Demod mono output ]

 - in the main window click Demod on then the setup button just below it.
Click the box to show filter response. This is not necessary but it really
helps in seeing where the extra receiver windows are. Here you can adjust
the dsp filter width and stops as well as the AGC decay.

 - now above the Demod On check box, on the main screen, is a button that
will switch between Demod 0 and Demod 1. Each has its own filter and agc
settings!


This is a neat feature I didn't know about. It would be handy to monitor 2
different MW channels for top-of-the-hour ID's, for example, or to check for
parallels (useful for Cubans or South Americans where you might have several
stations close to each other on the same network).

Brett Saylor
Central PA
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[IRCA] SDR-14 remote update

[Craig Healy]

I've been working on setting up the SDR-14 so it can be accessed remotely.
Right now it's set up in New Bedford at the WNBH-1340 transmitter site.
Just a simple antenna for the moment, a ferrite loop on a tripod sitting on
the workbench.  It's turned to null the tower (15m/50' away).  There's also
a notch filter and this has brought 1340 down to equal levels with the 1420
station a mile away.  I could hear stuff on 1360 last night.

So far the SDR server program has produced only very choppy and unusable
audio.  I have been able to run it by using the regular Spectravue program
through PCAnywhere.  Audio is delivered by a streaming audio encoder.

For a simple inside loop, results from that site have been *very*
interesting.  SS on about every channel from 530 to 820, including way over
WABC-770 and WOR-710 and under/over CKAC-730 among others.  The loop is
nulling NYC as well as the local tower, it seems.

I'm working with some people to try to resolve the audio and control glitch.
If it can be made to work, this could be a real bonus.  Picture one
permanently at Grayland or Newfoundland...

Craig Healy
Providence, RI

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Re: [IRCA] SDR-14 remote update

[markwa1ion]

Craig - The experiments sound encouraging if you can work out the kinks.

I think that if I had the receiver at a site that is obviously juiced 
towards one DX target or another (Latin America in the case of your 
south-facing shore site at WNBH), I'd do some RF recordings that could 
be offloaded from the remote-site PC drive in person at a later date or 
maybe sooner via Internet FTP (but the files might be too huge for 
that, though).

A top-of-hour +/- 3 minutes swing at 530-720 kHz and one at 720-910 
should get the ball rolling.  These tend to be Latin America happy 
hunting grounds: more apt to be aurorally-affected than the higher 
segments of the band.  You should be able to pull a gaggle of ID's out 
of a few of these 6 minute RF captures.

Much of it will be just those dang Cubans later into the evening, but 
you may occasionally stumble into something more exotic, especially a 
bit after sunset.

Keep us informed.  I used to have access to family houses in West 
Yarmouth and East Harwich that would have been perfect for this stuff, 
but the technology happened about 10 years too late.

Mark Connelly, WA1ION - Billerica, MA

-Original Message-
From: Craig Healy [EMAIL PROTECTED]
To: [EMAIL PROTECTED]; AM-DX List [EMAIL PROTECTED]; Mailing list for 
the International Radio Club of America irca@hard-core-dx.com
Sent: Wed, 14 Nov 2007 8:03 am
Subject: SDR-14 remote update



I've been working on setting up the SDR-14 so it can be accessed 
remotely.
Right now it's set up in New Bedford at the WNBH-1340 transmitter site.
Just a simple antenna for the moment, a ferrite loop on a tripod 
sitting on
the workbench.  It's turned to null the tower (15m/50' away).  There's 
also
a notch filter and this has brought 1340 down to equal levels with the 
1420
station a mile away.  I could hear stuff on 1360 last night.

So far the SDR server program has produced only very choppy and unusable
audio.  I have been able to run it by using the regular Spectravue 
program
through PCAnywhere.  Audio is delivered by a streaming audio encoder.

For a simple inside loop, results from that site have been *very*
interesting.  SS on about every channel from 530 to 820, including way 
over
WABC-770 and WOR-710 and under/over CKAC-730 among others.  The loop is
nulling NYC as well as the local tower, it seems.

I'm working with some people to try to resolve the audio and control 
glitch.
If it can be made to work, this could be a real bonus.  Picture one
permanently at Grayland or Newfoundland...

Craig Healy
Providence, RI




Email and AIM finally together. You've gotta check out free AOL Mail! - 
http://mail.aol.com
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[IRCA] SDR remote operation

[Craig Healy]

I was looking over the SDR-14 tonight to see how it could be operated
remotely.  It looks very easy.  There is a program in the C:\Program
Files\Spectravue\ folder called SDRxxServer.exe which sets it up.  Click on
it, hit Stop and change the port number to whatever is appropriate for the
internet router in use, and restart.  Should come up in a Waiting mode.
This does require a static IP address on the host computer.

On the remote end, start Spectravue as normal.  In the SDR-xx setup tab
change the Interface Selection to Network.  Then in the Network area, change
to the correct IP address and port.  Then start things as normal.

As a test, I started the server program and set the port to a convenient
one.  Default is 5 which may not work on some routers or systems.  Then
in the Spectravue program itself, I set the IP address to 127.0.0.1 which is
the computer itself, and selected the correct port.  I selected the Network
interface, started it up, and it worked just fine.

I don't have a static IP address at home, and my office is too noisy
electrically.  I'm going to see if I can set the radio up temporarily at a
client that does have a static IP and see just how well it works.  This just
seems to easy to be true.

If anyone wants to test theirs out for remote operation, drop me a note
offlist.  The SDR-14 and SDR-IQ both should work.  It does require that
static IP address.

Picture one of these installed permanently at Grayland or Newfoundland...

Craig Healy
Providence, RI

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[IRCA] SDR-IQ

[Rob Moore]

Hi Walter,

Im glad you're having such good results with the SDR-IQ.  I've had great 
results myself, although I don't post my contacts here because I'm more 
interested in Radio performance than in DX-ing MW stations.  THere was a lot of 
controversy about the SDR_IQ a while back but it seems to have settled dowm.  I 
do plan to do some sensitivity measurements of the SDR-IQ, the SDR-1000 and the 
Winradio receivers and maybe even my 2010 and the Eton E1.  It should be 
interesting to see how they compare although I suspect that all of them are 
more antenna limited in noise floor than by the basic receiver.

Rob

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[IRCA] SDR-IQ experience

[Walter Salmaniw]

I thought that I might share my experience with using my SDR-IQ captured files. 
 I'm quite delighted.  It was an easy thing to have it running in the 
background while I worked on a medical-legal report that I needed to complete 
tonight.  I used a file from
October 20, 2007 between 531 and 721 kHz for a segment between 14:10 and 14:28 
or so.  I also referred to my own notes from that morning.  It was a not-bad 
morning, all around.  Nothing really special.  Well, I sure heard quite a lot 
of stations that I missed listening the normal way.  First of all, there were 
quite of few Alaskans that I normally never look for630 KJNO, 620 KGTL, 580 
KRSA (very strong too!) and possibly 560 KVOK Kodiak (with C  W music, no ID 
though) were all audible.  I caught Radio Rossii on 621 (which John also 
reported that morning, but missed by me earliera difficult catch for sure). 
 711 had some EZL music...totally missed my my usual scans.  Not sure who 
there.  558 was really interesting with 2 almost equal cochannel stations 
probably JJ and KK, and even a third weakly cochannel (maybe VV?).  A really 
useful tool, but extremely time consumming for sure!  All evening, and I only 
went through a single nearly 1 GB file.  Now, granted , this !
 was just with the stuff in the background while I worked at other tasks, but 
still one can devote a lot of time to these files for sure!  I'm expecting that 
these will be fun to play with during the upcoming doldrum season.  At least, 
that's what I'm telling myself!  ..Walt.


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[IRCA] SDR-IQ loggings from Tofino, BC

[Walter Salmaniw]

Below are some of my loggings from my recent Thanksgiving weekend in Tofino, on 
the west coast of Vancouver Island.  We stayed at Crystal Cove Resort where I 
was able to erect a sizeable ALA 100 loop, and about 300' of wire oriented about
260 degrees in the horrendously thick bush (took me at least an hour to 
bushwack through!).  The latter provided the best signal although the ALA 
wasn't half bad either, and during the first evening and morning, it was my 
only antenna.  TA activity
was totally non-existent.  DU was the order of the day by far with many Aussie 
stations logged.  I snuck in a new 1 kW SW station from Micronesia too which 
was well heard, especially this morning!  Enjoy!Walt now safely home in 
Victoria.

621 AUSTRALIA 3RN Melbourne, Oct 5 1400 - ABC fanfare into news at fair level. 
(Salmaniw, Tofino, BC)

670  HAWAII KPUA Hilo, Oct 6 1400 - Heard 'All the news from the Big Island'.  
Mostly under KBOI Boise.  Otherwise decent reception. (Salmaniw, Tofino, BC)

800 ALASKA KINY Juneau, Oct 5 1330 - Initially dominated by CKOR, Penticton 
('Easy Rock AM'), but by 13:25 began to be dominated by another station with 
oldies music.  ID'd at BOH as '5:30 in the capital'corresponds with Alaska 
at good level.  My SDR-IQ file ends at that moment, but I'll pick it up with 
the next file. (Salmaniw, Tofino, BC)

800 ALASKA KINY Juneau, Oct 5 1402 - Strong reception initially with ABC news, 
over cochannel CKOR Penticton.  Over next few minutes, KINY faded but still 
easily audible under CKOR.  Continued with Alaska news.  Juneau photo exhibit 
at 14:11.  Then furniture store ad.  KINY newstime 13 past 6.  I went back and 
checked the TOH...no ID, but directly into ABC news. (Salmaniw, Tofino, BC)

819 NORTH KOREA KCBS Pyongyang, Oct 5 1407 - Very good reception for a few 
minutes around this time despite adjacent splatter with operatic singing.  
Found during review of my SDR-IQ files. (Salmaniw, Tofino, BC)

820 USA KORC Walport OR, Oct 5 1410 - A difficult channel owing to the very 
strong signal from KGNW.  Local ID and jingle clearly heard after a few minutes 
following an ad for a local seafood restaurant serving razor clams, etc.  
Gradually building it seems, during the 15 minute SDR IQ clip.  Not sure 
whether they were on their night time 15 watts or daytime 1000.  (It was 7:10 
am local). (Salmaniw, Tofino, BC)

828 AUSTRALIA ABC Gippsland Victoria, Oct 5 1500 - Nice ID for ABC Victoria 
just before the TOH at fair to good level, soon to be replaced by JOBB with 
English lesson.  KHVH 830 heard at the same time at same level.  Heard same as 
well an hour earlier at 14:00. (Salmaniw, Tofino, BC)

830 HAWAII KHVH Honolulu, Oct 5 1400 - While checking my SDR-IQ files, I came 
across the ID at the TOH for KHVH Honolulu into network news.  Good reception 
in USB to avoid het from 828 3GI and JOBB both audible at fair to good 
strength.  Nice ID at 14:05 announcing 50 years of service and briefly the 
history of the station.  Frequency to itself at this time. (Salmaniw, Tofino, 
BC)

840 USA KSWB Seaside OR, Oct 5 1414 - Great reception of Patrick's own local 
station, with lots of '840 Gold' IDs and mentions of Seaside.  Earlier 
cochannel interference from CKBX 100 Mile House BC, and KMPH Modesto CA gone.  
Full legal ID was heard at the TOH.  Nice to hear local programming for a 
change instead of strictly network stuff. (Salmaniw, Tofino, BC)

846 AUSTRALIA 2RN Canberra, Oct 5 1404 - English news with mentions of 
Australia, followed by ID as ABC National and further ID at 14:05:30.  Fair 
level.  Briefly faded up to good strength.  Then down into the mud a minute 
later. (Salmaniw, Tofino, BC)

846 AUSTRALIA 2RN Canberra, Oct 5 1500 - A presumed logging with barely audible 
ABC fanfare at 15:00.  Audio was otherwise to weak to discern on the SDR-IQ 
file. (Salmaniw, Tofino, BC)

873 AUSTRALIA ?2GB Sydney, Oct 5 1401 - Difficult to know which station this 
is, with DU English talk.  For a few moments, there were 2 different EE 
speakers, with one being a devotional sounding program (so ? Vision Radio 
Network, Innisfail with only 20w), but  this one quickly faded leaving the 
other.  JOGB faded in at 14:10. (Salmaniw, Tofino, BC)

890 ALASKA KBBI Homer, Oct 5 1459 - Sudden fade in over CJDC Dawson Creek with 
marine weather to good levels.  Nothing at the TOH.  Not unusual for Alaskan, 
esp NPR stations.  40 knot winds and seas to 16 feet for Baron Island.  I'll 
check the next IQ file as this one ends at 15:02. Into NPR news an hour earlier 
at 14:00 without a local ID.  14:09 local mention of the Homer Electrical 
Cooperative and mentions of the Kenai Peninsula.  Well over CJDC. (Salmaniw, 
Tofino, BC)

918 CHINA unid, Oct 5 1400 - I'd like some help on this one.  The station 
played some EZL music up to the TOH then began the time pips (seemingly 10 
seconds late) and something said by YL, then by an OM.  Didn't recognize any 
'diantai'.  Chinese speakers please!  I'm 

Re: [IRCA] SDR-IQ loggings from Tofino, BC

[Patrick Martin]

Walt,

A great bunch of logs! I knew KSWB could be heard at Tofino as Bob  I
listened to it there back in 1974. Infact KVAS-1230 (now KKEE) and
KAST-1370 Astoria were also heard. Here I get CBXQ 540. 

73,

Patrick

Patrick Martin
KAVT Reception Manager

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Re: [IRCA] SDR-IQ

[Patrick Martin]

Thanks Colin. I had wondered as the Universal site says even Windows
2000 will work with the SDR IQ. I don't own a late model laptop as yet,
but it has also been in the back of my mind. With the SDR-IQ going for
$500, I have thought about it. I could pick up a used laptop with
Windows 2000 or XP and be all set. 
The only laptop I have is Bob's old Toshiba Windows 95. I know it would
not handle the SDR-IQ.  My regular computer has XP, but of course that
would not work as the noise factor would be an issue.
I like being able to record 190 khz of the band. Can you pick which
frequencies you want to record, or do just record them all?  I guess the
specs are all available on exactly what type of computer will work. I
guess Windoiws only?

73,

Patrick

Patrick Martin
KAVT Reception Manager

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Re: [IRCA] SDR Computer Requirements (was SP 600 /R390)

[Chuck Hutton]

Guy:

Winrad also supports them, but Winrad's problem is lack of support for AM.


Chuck

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On Behalf Of Guy Atkins
Sent: Monday, May 07, 2007 8:57 PM
To: irca@hard-core-dx.com
Subject: Re: [IRCA] SDR Computer Requirements (was SP 600 /R390)

The SDR-IQ, and the companion SDR-14, work fine on computers that are
Chevys by today's standards. You do not need a super fast computer to
run them successfully. Here are the minimum and recommended specs:

SYSTEM REQUIREMENTS - MINIMUM
Pentium III at 800 MHz, Pentium 4 or Athlon XP 1600+
Windows 98, 2000, ME, XP
256 MB or RAM
AGP Video Card with 32 MB of RAM
16 bit SB compatible sound card and speakers
CD-ROM drive for software installation

SYSTEM REQUIREMENTS - RECOMMENDED
Pentium 4 at 2.2 GHz, Athlon XP 2000+
Windows 2000, XP
512 MB of RAM
AGP 14x Video card with 64 MB of RAM
16 bit SB compatible sound card and speakers
USB 1.1 or 2.0 port
CD-ROM drive for software installation

The typical off-the-shelf system sold today easily exceeds these
requirements. My own Flex-Radio SDR-1000 runs well with a Intel Pentium-M
Centrino 1.4 GHz laptop, as well as a AMD Athlon XP 2400+ homebrew
system...definitely not state-of-the-art. I usually have other programs
running at the same time, such as Internet and/or e-mail; Geoclock; various
references in PDF files, anti-virus  firewall utilities, etc.  

By the way, what are the other programs which control the SDR-IQ? I know
that RFSpace makes driver files available for developers, but I've not heard
of software other than Spectravue.

Guy Atkins KE7MAV
Puyallup, WA


--

Message: 7
Date: Mon, 7 May 2007 09:45:01 -0700 (PDT)
From: Powell E. Way III W4OPW [EMAIL PROTECTED]
Subject: Re: [IRCA] SP 600 /R390
To: Mailing list for the International Radio Club of America
irca@hard-core-dx.com
Message-ID: [EMAIL PROTECTED]
Content-Type: text/plain; charset=iso-8859-1

At the Newberry ham club the SDR-IQ was demoed. A
friend of mine has an early model. There's multiple
programs available to control it. The only downside is
you need a SUPER FAST computer to run these programs,
and it's best to have a dedicated computer for this,
though you don't HAVE to.  It's an amazing radio
however.


Powell



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Re: [IRCA] SDR Computer Requirements (was SP 600 /R390)

[Guy Atkins]

The SDR-IQ, and the companion SDR-14, work fine on computers that are
Chevys by today's standards. You do not need a super fast computer to
run them successfully. Here are the minimum and recommended specs:

SYSTEM REQUIREMENTS - MINIMUM
Pentium III at 800 MHz, Pentium 4 or Athlon XP 1600+
Windows 98, 2000, ME, XP
256 MB or RAM
AGP Video Card with 32 MB of RAM
16 bit SB compatible sound card and speakers
CD-ROM drive for software installation

SYSTEM REQUIREMENTS - RECOMMENDED
Pentium 4 at 2.2 GHz, Athlon XP 2000+
Windows 2000, XP
512 MB of RAM
AGP 14x Video card with 64 MB of RAM
16 bit SB compatible sound card and speakers
USB 1.1 or 2.0 port
CD-ROM drive for software installation

The typical off-the-shelf system sold today easily exceeds these
requirements. My own Flex-Radio SDR-1000 runs well with a Intel Pentium-M
Centrino 1.4 GHz laptop, as well as a AMD Athlon XP 2400+ homebrew
system...definitely not state-of-the-art. I usually have other programs
running at the same time, such as Internet and/or e-mail; Geoclock; various
references in PDF files, anti-virus  firewall utilities, etc.  

By the way, what are the other programs which control the SDR-IQ? I know
that RFSpace makes driver files available for developers, but I've not heard
of software other than Spectravue.

Guy Atkins KE7MAV
Puyallup, WA


--

Message: 7
Date: Mon, 7 May 2007 09:45:01 -0700 (PDT)
From: Powell E. Way III W4OPW [EMAIL PROTECTED]
Subject: Re: [IRCA] SP 600 /R390
To: Mailing list for the International Radio Club of America
irca@hard-core-dx.com
Message-ID: [EMAIL PROTECTED]
Content-Type: text/plain; charset=iso-8859-1

At the Newberry ham club the SDR-IQ was demoed. A
friend of mine has an early model. There's multiple
programs available to control it. The only downside is
you need a SUPER FAST computer to run these programs,
and it's best to have a dedicated computer for this,
though you don't HAVE to.  It's an amazing radio
however.


Powell



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Re: [IRCA] SDR Computer Requirements (was SP 600 /R390)

[Powell E. Way III W4OPW]

--- Guy Atkins [EMAIL PROTECTED] wrote:


 By the way, what are the other programs which
 control the SDR-IQ? I know
 that RFSpace makes driver files available for
 developers, but I've not heard
 of software other than Spectravue.


I'll have to ask my friend. He showed me what
different programs do when used with the IQ.


Powell


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[IRCA] SDR radios

[Powell E. Way III W4OPW]

My friend Jack Jackson has one of the ones from RF
Space in Atlanta that will be for sale soon. One of
the most amazing things is  you can record an entire
SWATH of spectrum, save it to the hard drive, and go
back to that file, and with the software that tunes
the radio, ACTUALLY tune the file as if you were
using the radio real time.  Price for the radio isn't
really bad, but you need one of THE fastest computers
with a  GIANT hard drive, and memory to the max.  


Ain'ta got one, and ainta got the money to get one and
the computer.


Powell


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Re: [IRCA] SDR radios

[Mesa Mike, Lost Almost NM]

Sounds like an updated version of Craig Healy's DX Time machine.
See 
http://72.14.253.104/search?q=cache:bb6_d--OyTAJ:www.chowdanet.com/markc/webpage/WA1ION/vcrdx.pdf+dx+time+machinehl=enct=clnkcd=1gl=usclient=firefox-a

(Chowdanet seems to be down, this is a link to a google cache of the 
article)

Powell E. Way III W4OPW wrote:
 My friend Jack Jackson has one of the ones from RF
 Space in Atlanta that will be for sale soon. One of
 the most amazing things is  you can record an entire
 SWATH of spectrum, save it to the hard drive, and go
 back to that file, and with the software that tunes
 the radio, ACTUALLY tune the file as if you were
 using the radio real time.  Price for the radio isn't
 really bad, but you need one of THE fastest computers
 with a  GIANT hard drive, and memory to the max.  

-- 
Mesa Mike, N6KUY, WDX6O
Los Alamos, New Mexico (DM65uv)
Los Alamos is Spanish for More than one Alamo -- Dave Barry
Online logbooks: http://mesamike.org/dxlog?account=mikew
DX audio clips:  http://mesamike.org/radio/mwdx/audio/dxclips
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Re: [IRCA] SDR radios

[Craig Healy]

(Chowdanet seems to be down...

http://www.chowdanet.com was OK when I just checked, and OK at noon when I 
stopped by my office..  It's been OK, other than some power outages.  That 
location seems to get it's power from a third world grid.  It's down a lot.

Craig Healy
Providence, RI




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Re: [IRCA] SDR radios

[Bob Foxworth]

 Sounds like an updated version of Craig Healy's DX Time machine.
 See 
 http://72.


  the most amazing things is  you can record an entire
  SWATH of spectrum, save it to the hard drive, and go
  back to that file, 


See the Monday Morning Tape Recorder article from
the 1970's I think, it was a primitive system that would
record most of the MW band to a VHS recorder.
One thing it needed was a 30 dB block gain amplifier.
The dynamic range was not all that great and the
servo slew was not very stable, but it was a workable
POC. It needed 60 Hz to sync the recorder.

- Bob
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Re: [IRCA] SDR radios

[Russ Edmunds]

--- Powell E. Way III W4OPW [EMAIL PROTECTED] wrote:

 My friend Jack Jackson has one of the ones from RF
 Space in Atlanta that will be for sale soon. One of
 the most amazing things is  you can record an entire
 SWATH of spectrum, save it to the hard drive, and go
 back to that file, and with the software that tunes
 the radio, ACTUALLY tune the file as if you were
 using the radio real time.  Price for the radio isn't
 really bad, but you need one of THE fastest computers
 with a  GIANT hard drive, and memory to the max.  
 


*** For those who have been around long enough to remember this, GPN
used to talk about the possibility of what he called The Monday
Morning Recorder which would have done the same thing but using
videotape to record the audio spectrum. 40 years leater, and we have this.

Russ Edmunds
Blue Bell, PA ( 360' ASL )
[15 mi NNW of Philadelphia]
40:08:45N; 75:16:04W, Grid FN20id
[EMAIL PROTECTED]
FM: Yamaha T-80  Onkyo T-450RDS w/ APS9B @15'
AM: Hammarlund HQ-150  4' FET air core loop

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Re: [IRCA] SDR radios

[Brett Saylor]

 *** For those who have been around long enough to remember this, GPN
 used to talk about the possibility of what he called The Monday
 Morning Recorder which would have done the same thing but using
 videotape to record the audio spectrum. 40 years leater, and we  
 have this.

 Russ Edmunds

Turns out there is actually a product called the Time Machine from  
a company called ESS (Google it for more info) - it records an 80 kHz  
swath of spectrum to a videotape recorder from an antenna for later  
playback to a receiver. It only appears to work on select  ham bands  
though, not the MW BCB.

Brett Saylor

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