Re: [Elecraft] Cold K3

[Edward R Cole]

Dick,

The KX3 will not see those extreme cold temps.  Where we live it 
rarely drops below -15F and typically is 0 to +10F at night in 
winter.  The KX3 has a RAM bracket in my truck so it might sit 
outside at night. I was wondering how it would react to being powered 
on at down to -15F.  Truthfully it might not ever face that as I have 
remote start for the truck to warm up for winter driving so the cab 
might reach +20 or higher before I would use it.  A few miles driving 
and the cab should be +50 to 60F which is comfortable wearing a winter coat.


More than likely I would just bring the radio inside at night if 
planning to use it the next day.  My experience with the TS-180S was 
that the cold effected the LCD screen so operating was not possible 
until it warmed.


That experience in 1986 was the coldest I have seen in my 36 years up 
here in AK.  Quite possible the temp dropped to -80F at night (-78F 
is the official record for AK).  Fortunately at extreme cold the air 
is completely calm most of the time.  Dog teams coming into the 
checkpoint reported -45F on the ridge tops but with 30-40mph winds 
which would feel much colder than what we were down in the lake valley.


The coldest I have experience at home on the Kenai Peninsula is -35F 
and that was nighttime so I stayed inside near the wood stove.  I now 
live in a modern home with force-air natural gas heat and its +67F to 
+71F year round.


Radio gear is std in all vehicles used at Prudhoe Bay on AK's "north 
slope" but either they leave the engines run continuously or they are 
plugged in with electric heaters on the inside keeping the interior 
from freezing.  Ever climb into a suburban when the seats are -40F 
and hard as a rock (a very cold rock)?  In fact the seats split apart 
if allowed to get that cold.


Most repeaters up there are enclosed in warmed buildings and only 
antenna and coax outside.


I had fun up there in Nov.1980 installing MOT radios in heavy 
equipment that was parked outside (it was only -15F so my bare hands 
took a punishment).  After a couple days one of the operators showed 
me how to start up the engines and I got a little warmth inside the 
cabs (+15 vs -15).


I was young (36) and adventurous - making $6500 in three weeks 
working 18-hour days didn't hurt, either.


73, Ed - KL7UW

From: Richard Fjeld 
To: "elecraft@mailman.qth.net" 
Subject: Re: [Elecraft] Cold K3

On 10/4/2016 7:16 PM, Edward R Cole wrote:
I've not tried running my K3 at outside temps,

Hello Ed,

I would caution you against trying your K3 in those temps.  Minus 60
degrees F. is the coldest on record for Minnesota, and you experience
far colder that that. The cold may do multiple things to the K3 if it
has multi-layer circuit boards.  I didn't notice if it does.

Our club left a repeater in an unheated enclosure one winter. I would
estimate it wasn't much colder than minus 30 degrees F. at that
location. (To clarify for others, this is 30 degrees F. below zero.)  I
have seen what the multi-layer circuit board looked like. More
specifically, the thru-the-hole solder connections from one layer to
another were cracked. Maybe it was the type of solder used???

I'm sure circuit designs have changed since the first solid state rigs I
described in the cold.  LCD screens hadn't been heard of yet.  I'm
surprised they don't freeze and get damaged in your temps.  It is
interesting to read of your outdoor experiences.

73,
   Dick, n0ce


73, Ed - KL7UW
http://www.kl7uw.com
"Kits made by KL7UW"
Dubus Mag business:
dubus...@gmail.com

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Re: [Elecraft] Camping radio ops: then and now

[Mike Morrow]

Phil wrote:

> Why "But the KX2 has no schematics for the 
> customer, so that prevents my purchase.", Mike?  
> Mine works just fine, without schematics.

It's just a matter of principal, Phil.  I've never in almost 49 years a ham 
purchased HF gear that did not, at minimum, include the schematics.  I'm a 
retired electrical engineer for whom knowing a little about what's inside the 
box is actually **much more important** than knowing how to operate the box.   

I accept that firmware will always be shrouded and proprietary.  For the 
hardware, if the complete (though not wholly current) KX3 system schematics can 
released, it is hard to understand why the same hasn't happened for the simpler 
KX2 system.

Mine is unpopular philosophy today, when ham gear is becoming more and more 
like smartphones whose internal workings are shielded from the view of the 
vulgar mob.  (For my phones, I get as much info as I can from the FCC OET 
Device Listings ... even for Bluetooth headsets!)

I just did not expect Elecraft to adopt that attitude.  :-)

73,
Mike / KK5F

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Re: [Elecraft] Camping radio ops: then and now

[Walter Underwood]

I was writing software for radios in 1981. Diagrams might help understanding, 
but the source code is the equivalent to a schematic. We already have a block 
diagram for the KX3 and people keep complaining.

http://www.elecraft.com/manual/KX3%20Manual%20Block%20Diagram.pdf 


I’m still pretty danged curious about the noise reduction. I think it is based 
on a Kalman filter with the “known signal” input generated from a 
lowpass-filtered or averaged version of the input. But I won’t figure that out 
from the block diagram. So, not useful to me.

wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)

> On Oct 5, 2016, at 6:20 PM, Matt Maguire  wrote:
> 
> Source code is too low level to get a conceptual understanding of what the 
> software is doing -- a software architecture diagram is likely to be more 
> useful for that. (in a similar way, for hardware a schematic diagram 
> abstracts out implementation details such as PCB layout and track routing to 
> make it clearer how the circuit works at a conceptual level).
> 
> 73, Matt VK2RQ
> 
> 
> 
> 
> On Thu, Oct 6, 2016 at 11:59 AM +1100, "Walter Underwood" 
> > wrote:
> 
> These days, the source code matters as much as the schematic. Want to find 
> the Weaver SSB demodulator? That is in software.
> 
> wunder
> K6WRU
> Walter Underwood
> CM87wj
> http://observer.wunderwood.org/ (my blog)
> 
> > On Oct 5, 2016, at 5:43 PM, Phil Wheeler  wrote:
> > 
> > Why "But the KX2 has no schematics for the customer, so that prevents my 
> > purchase.", Mike?  Mine works just fine, without schematics.
> > 
> > Phil W7OX
> > 
> > On 10/5/16 5:37 PM, Mike Morrow wrote:
> >> Around 1960 to 1962, on my family's tent camping trips to remote locations 
> >> in the Arkansas Ozarks, I would help my dad set up his Drake 2-A receiver, 
> >> Multi-Elmac AF-67 AM transmitter, and 80m dipole in the trees.  Power was 
> >> from a military surplus 120 vac 300 watt generator (run only if no body 
> >> was camped nearby).
> >> 
> >> When I got out of the Navy 37 years ago, I immediately returned to 
> >> Arkansas campsite ham ops with the new TS-120S, MFJ tuner, and 
> >> deep-discharge battery.  (Most of the areas my family had camped years 
> >> earlier had become the Buffalo National River.  I return there every Fall 
> >> that circumstances allow.)  This type of ham operations will always be my 
> >> favorite use of radio.
> >> 
> >> My now-defunct K1 had been my principal camp rig since 2001.  I'd like to 
> >> replace it with a KX2 immediately.  But the KX2 has no schematics for the 
> >> customer, so that prevents my purchase.
> >> 
> >> Mike / KK5F
> > 
> > __
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Re: [Elecraft] Camping radio ops: then and now

[Matt Maguire]

Source code is too low level to get a conceptual understanding of what the 
software is doing -- a software architecture diagram is likely to be more 
useful for that. (in a similar way, for hardware a schematic diagram abstracts 
out implementation details such as PCB layout and track routing to make it 
clearer how the circuit works at a conceptual level).

73, Matt VK2RQ




On Thu, Oct 6, 2016 at 11:59 AM +1100, "Walter Underwood" 
 wrote:










These days, the source code matters as much as the schematic. Want to find the 
Weaver SSB demodulator? That is in software.

wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)

> On Oct 5, 2016, at 5:43 PM, Phil Wheeler  wrote:
> 
> Why "But the KX2 has no schematics for the customer, so that prevents my 
> purchase.", Mike?  Mine works just fine, without schematics.
> 
> Phil W7OX
> 
> On 10/5/16 5:37 PM, Mike Morrow wrote:
>> Around 1960 to 1962, on my family's tent camping trips to remote locations 
>> in the Arkansas Ozarks, I would help my dad set up his Drake 2-A receiver, 
>> Multi-Elmac AF-67 AM transmitter, and 80m dipole in the trees.  Power was 
>> from a military surplus 120 vac 300 watt generator (run only if no body was 
>> camped nearby).
>> 
>> When I got out of the Navy 37 years ago, I immediately returned to Arkansas 
>> campsite ham ops with the new TS-120S, MFJ tuner, and deep-discharge 
>> battery.  (Most of the areas my family had camped years earlier had become 
>> the Buffalo National River.  I return there every Fall that circumstances 
>> allow.)  This type of ham operations will always be my favorite use of radio.
>> 
>> My now-defunct K1 had been my principal camp rig since 2001.  I'd like to 
>> replace it with a KX2 immediately.  But the KX2 has no schematics for the 
>> customer, so that prevents my purchase.
>> 
>> Mike / KK5F
> 
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Re: [Elecraft] Camping radio ops: then and now

[Walter Underwood]

These days, the source code matters as much as the schematic. Want to find the 
Weaver SSB demodulator? That is in software.

wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)

> On Oct 5, 2016, at 5:43 PM, Phil Wheeler  wrote:
> 
> Why "But the KX2 has no schematics for the customer, so that prevents my 
> purchase.", Mike?  Mine works just fine, without schematics.
> 
> Phil W7OX
> 
> On 10/5/16 5:37 PM, Mike Morrow wrote:
>> Around 1960 to 1962, on my family's tent camping trips to remote locations 
>> in the Arkansas Ozarks, I would help my dad set up his Drake 2-A receiver, 
>> Multi-Elmac AF-67 AM transmitter, and 80m dipole in the trees.  Power was 
>> from a military surplus 120 vac 300 watt generator (run only if no body was 
>> camped nearby).
>> 
>> When I got out of the Navy 37 years ago, I immediately returned to Arkansas 
>> campsite ham ops with the new TS-120S, MFJ tuner, and deep-discharge 
>> battery.  (Most of the areas my family had camped years earlier had become 
>> the Buffalo National River.  I return there every Fall that circumstances 
>> allow.)  This type of ham operations will always be my favorite use of radio.
>> 
>> My now-defunct K1 had been my principal camp rig since 2001.  I'd like to 
>> replace it with a KX2 immediately.  But the KX2 has no schematics for the 
>> customer, so that prevents my purchase.
>> 
>> Mike / KK5F
> 
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Re: [Elecraft] Camping radio ops: then and now

[Phil Wheeler]

Why "But the KX2 has no schematics for the 
customer, so that prevents my purchase.", Mike?  
Mine works just fine, without schematics.


Phil W7OX

On 10/5/16 5:37 PM, Mike Morrow wrote:

Around 1960 to 1962, on my family's tent camping trips to remote locations in 
the Arkansas Ozarks, I would help my dad set up his Drake 2-A receiver, 
Multi-Elmac AF-67 AM transmitter, and 80m dipole in the trees.  Power was from 
a military surplus 120 vac 300 watt generator (run only if no body was camped 
nearby).

When I got out of the Navy 37 years ago, I immediately returned to Arkansas 
campsite ham ops with the new TS-120S, MFJ tuner, and deep-discharge battery.  
(Most of the areas my family had camped years earlier had become the Buffalo 
National River.  I return there every Fall that circumstances allow.)  This 
type of ham operations will always be my favorite use of radio.

My now-defunct K1 had been my principal camp rig since 2001.  I'd like to 
replace it with a KX2 immediately.  But the KX2 has no schematics for the 
customer, so that prevents my purchase.

Mike / KK5F


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Re: [Elecraft] Camping radio ops: then and now

[Mike Morrow]

Around 1960 to 1962, on my family's tent camping trips to remote locations in 
the Arkansas Ozarks, I would help my dad set up his Drake 2-A receiver, 
Multi-Elmac AF-67 AM transmitter, and 80m dipole in the trees.  Power was from 
a military surplus 120 vac 300 watt generator (run only if no body was camped 
nearby).

When I got out of the Navy 37 years ago, I immediately returned to Arkansas 
campsite ham ops with the new TS-120S, MFJ tuner, and deep-discharge battery.  
(Most of the areas my family had camped years earlier had become the Buffalo 
National River.  I return there every Fall that circumstances allow.)  This 
type of ham operations will always be my favorite use of radio.

My now-defunct K1 had been my principal camp rig since 2001.  I'd like to 
replace it with a KX2 immediately.  But the KX2 has no schematics for the 
customer, so that prevents my purchase.

Mike / KK5F
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[Elecraft] K-Pod question

[cx7tt]

Paul,

I have my pod set up to make the exact selection you want on KPod
button F8 Hold.

In the K3 Utility, for Macro 8, I use SWH47;

Good Luck

73
Tom
HP1XT

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Re: [Elecraft] Updated overview of ARRL transceiver product reviews, now including the Elecraft K3S

[Ray Sills]

That’s an interesting chart.  And it appears that there is no particular 
correlation between performance and price.   The most expensive rig performs 
worse than several others, and the least expensive is better than more costly 
rigs.  

73 de Ray
Very happy with his KX3 #211



> On Oct 5, 2016, at 5:46 PM, Wayne Burdick  wrote:
> 
> Hans Remeeus (PA1HR/OE3JRC) has updated his HF transceiver comparison table, 
> which is based on ARRL product reviews:
> 
>http://www.remeeus.eu/hamradio/pa1hr/productreview.pdf
> 
> The K3S has been added to the table. It is reviewed in the November issue of 
> QST.
> 
> 73,
> Wayne
> N6KR

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[Elecraft] Updated overview of ARRL transceiver product reviews, now including the Elecraft K3S

[Wayne Burdick]

Hans Remeeus (PA1HR/OE3JRC) has updated his HF transceiver comparison table, 
which is based on ARRL product reviews:

http://www.remeeus.eu/hamradio/pa1hr/productreview.pdf

The K3S has been added to the table. It is reviewed in the November issue of 
QST.

73,
Wayne
N6KR


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[Elecraft] KPOD lights and outputs?

[Jim Miller]

I downloaded and installed the latest K3 beta SW last night but don't see
an updated reference for the KPOD or a utility and firmware update for the
KPOD that I thought was required for lights and outputs.

Is this becoming available soon?

I'd like to get started using it beyond a RIT control in contests (for
which it is *very* nice!). My first planned use is selecting which RX
antenna I'm using and eliminating a kludgy box now used for that.

73

jim ab3cv
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Re: [Elecraft] K-Pod Macro Question

[Ron D'Eau Claire]

In the notes associated with Table 5. 

I'm sure there are others. Those are the only commands I tested. 

73, Ron AC7AC

-Original Message-
From: Jim McDonald [mailto:j...@n7us.net] 
Sent: Wednesday, October 5, 2016 11:29 AM
To: 'Ron D'Eau Claire'; 'paul ecker'
Cc: 'Elecraft'
Subject: RE: [Elecraft] K-Pod Macro Question

I don't see the UPMN097 or DNMN097 in the Programmer's Reference.

I use the same macro to toggle the speakers on or off:

MN097;UP;MN255;

73, Jim N7US


-Original Message-


Hi Paul: 

Try this:

SWH14;UPMN097;SWT14
Enters the Config Menu, enables spkr+phones, leaves config menu. 

SWH14;DNMN097;SWT14
Enters Config menu, disables spkr+phones, leaves config menu. 

73, Ron AC7AC

-Original Message-

In my K3 I have SPKR+PH set to YES, and sometime ago Iassigned a macro to
PF2 that allows me to switch the speaker either on or off, even though Ihave
headphones plugged in. But I'll be darn if I can remember or figure outnow,
what the macro cmd would be so I can assign the same action to a
K-Podbutton. Can someone help?
73Paulkc2nyu
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[Elecraft] FS: K144XV 2M Transverter for K3/K3S with Ref Lock Option

[w2id]

For Sale: K144XV 2M Transverter for 100-Watt K3/K3S, with K144RFLK Reference 
Oscillator Phase Lock Option installed. 

This transverter works perfectly, and was just removed from the radio by 
Elecraft Service while they were installing the Synth upgrades for me. 
It is factory packaged in ESD-safe packaging and bubble-wrap, and i ncludes the 
original printed factory manual with holes punched for a 3-ring binder. 

Current new price is $379.95 + $89.95 = $469.90. 

Will ship to CONUS $300, or $285 plus actual shipping outside of CONUS. 

Also available - Make offers: 

PR6 6M Preamp - Brand new and never used 
KXV3-2A I/O Board - Removed by Elecraft Service from K3 S/N 76xx 
KSYN3 - The original K3 synthesizer boards, removed by Elecraft Service from K3 
S/N 76xx (qty. 2) 

73, 

John W2ID 
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[Elecraft] For Sale - KPA500

[Jeffrey Cantor]

    
  - A very clean and excellent condition - both electronic & physical 
KPA500 linear - puts out full 500 - 600W plus - 160 -6M. Stock cables; original 
manual; both 220V and 155V cables and fuses. Original shipping box. $1950 plus 
shipping/insurance from 30276   jacant...@gmail.com  K1ZN
Dr. Jeffrey A. Cantor
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Re: [Elecraft] Looking for sdrIQx.dll file for CWskimmer -SOLVED

[mike]

Thanks to all who helped. Turns out the RF Space provided SDR14X.dll worked
fine once I was able to get Windows 10 to register it. 

Problem solved by moving the file to the C:\window\system32\sysWOW64\ folder
where the 64-bit version wants the 32-bit dll files to reside. Then running
command prompt as an administrator, I executed the 'regsvr32 sdr14x.dll'
command and it finally worked. I had to use the regsvr32.exe program that is
in the sysWOW64 subfolder, rather than the one in the System32 folder. 

CW Skimmer ran hooked up to my SDR-I/Q receiver happily immediately
thereafter.

Geeesh it is hard keeping up with these changes when a new OS comes out! ;>)

73  ..mike  AI6II 



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Re: [Elecraft] K-Pod Macro Question

[Ron D'Eau Claire]

Sorry, I left the trailing semicolons off after the last command in each
string, e.g. ...SWT14; not ...SWT14

Ron 

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Ron
D'Eau Claire
Sent: Wednesday, October 5, 2016 10:36 AM
To: 'paul ecker'
Cc: 'Elecraft'
Subject: Re: [Elecraft] K-Pod Macro Question

Hi Paul: 

Try this:

SWH14;UPMN097;SWT14
Enters the Config Menu, enables spkr+phones, leaves config menu. 

SWH14;DNMN097;SWT14
Enters Config menu, disables spkr+phones, leaves config menu. 

73, Ron AC7AC

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of paul
ecker via Elecraft
Sent: Wednesday, October 5, 2016 8:36 AM
To: elecraft@mailman.qth.net
Subject: [Elecraft] K-Pod Macro Question

In my K3 I have SPKR+PH set to YES, and sometime ago Iassigned a macro to
PF2 that allows me to switch  the speaker either on or off, even though
Ihave headphones plugged in. But I'll be darn if I can remember or figure
outnow, what the macro cmd would be so I can assign the same action to a
K-Podbutton. Can someone help?
73Paulkc2nyu
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Re: [Elecraft] K-Pod Macro Question

[Jim McDonald]

I don't see the UPMN097 or DNMN097 in the Programmer's Reference.

I use the same macro to toggle the speakers on or off:

MN097;UP;MN255;

73, Jim N7US


-Original Message-


Hi Paul: 

Try this:

SWH14;UPMN097;SWT14
Enters the Config Menu, enables spkr+phones, leaves config menu. 

SWH14;DNMN097;SWT14
Enters Config menu, disables spkr+phones, leaves config menu. 

73, Ron AC7AC

-Original Message-

In my K3 I have SPKR+PH set to YES, and sometime ago Iassigned a macro to
PF2 that allows me to switch the speaker either on or off, even though Ihave
headphones plugged in. But I'll be darn if I can remember or figure outnow,
what the macro cmd would be so I can assign the same action to a
K-Podbutton. Can someone help?
73Paulkc2nyu
__

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Re: [Elecraft] K-Pod Macro Question

[paul ecker via Elecraft]

Ron - thanks very much
and also thanks to Mike Flowers K6MKF who replied off line.
73 Paulkc2nyu  From: Ron D'Eau Claire 
 To: 'paul ecker'  
Cc: 'Elecraft' 
 Sent: Wednesday, October 5, 2016 1:36 PM
 Subject: RE: [Elecraft] K-Pod Macro Question
   
Hi Paul: 

Try this:

SWH14;UPMN097;SWT14
Enters the Config Menu, enables spkr+phones, leaves config menu. 

SWH14;DNMN097;SWT14
Enters Config menu, disables spkr+phones, leaves config menu. 

73, Ron AC7AC

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of paul 
ecker via Elecraft
Sent: Wednesday, October 5, 2016 8:36 AM
To: elecraft@mailman.qth.net
Subject: [Elecraft] K-Pod Macro Question

In my K3 I have SPKR+PH set to YES, and sometime ago Iassigned a macro to PF2 
that allows me to switch  the speaker either on or off, even though Ihave 
headphones plugged in. But I'll be darn if I can remember or figure outnow, 
what the macro cmd would be so I can assign the same action to a K-Podbutton. 
Can someone help?
73Paulkc2nyu
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delivered to r...@cobi.biz


   
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Re: [Elecraft] K-Pod Macro Question

[Ron D'Eau Claire]

Hi Paul: 

Try this:

SWH14;UPMN097;SWT14
Enters the Config Menu, enables spkr+phones, leaves config menu. 

SWH14;DNMN097;SWT14
Enters Config menu, disables spkr+phones, leaves config menu. 

73, Ron AC7AC

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of paul 
ecker via Elecraft
Sent: Wednesday, October 5, 2016 8:36 AM
To: elecraft@mailman.qth.net
Subject: [Elecraft] K-Pod Macro Question

In my K3 I have SPKR+PH set to YES, and sometime ago Iassigned a macro to PF2 
that allows me to switch  the speaker either on or off, even though Ihave 
headphones plugged in. But I'll be darn if I can remember or figure outnow, 
what the macro cmd would be so I can assign the same action to a K-Podbutton. 
Can someone help?
73Paulkc2nyu
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Re: [Elecraft] Looking for sdrIQx.dll file for CWskimmer

[Nr4c]

Skimmer website???

Sent from my iPhone
...nr4c. bill


> On Oct 5, 2016, at 8:47 AM, mike  wrote:
> 
> A recent computer crash and bad backup caused me to lose the sdrIQx.dll file
> I need to run CWskimmer with my SDR-IQ receiver. I split my K3 RX antenna
> with mySDR receiver so I can spot the signals I can hear at my qth rather
> than use a DX Cluster.
> 
> Anyway, there have been threads on setting up CWskimmer on this refector and
> I am hoping someone has this .dll file that they can send me. 
> 
> Thanks  73  ..mike  AI6II
> 
> 
> 
> --
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/Looking-for-sdrIQx-dll-file-for-CWskimmer-tp7623124.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] Camping Radio Ops: Then and Now

[Wes Stewart]

Your first mistake was buying the Fiat.  Everything went downhill from there:-)

On 10/4/2016 4:37 PM, Dauer, Edward wrote:

I don’t recall anything particularly interesting from my hamming youth;  but 
the most vivid memory of portable ops came in 1973 in a Fiat 124


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Re: [Elecraft] Cold K3

[Igor Sokolov]

Here in Russia we have fun contest called "Frost the Red Nose" where 
participants are awarded extra points for low temperatures. A lot of 
participants operate in below freezing temperatures every year. Stories from 
some of the participants (pdf file) can be downloaded here

http://qrp.ru/files/stories/category/4-froststories?download=292%3Afrost2013

Text is in Russian but there are many pictures that said to be "worth a 
thousand words".


73, Igor UA9CDC

- Original Message - 
From: "Richard Fjeld" 

To: 
Sent: Wednesday, October 05, 2016 10:56 AM
Subject: Re: [Elecraft] Cold K3



On 10/4/2016 7:16 PM, Edward R Cole wrote:
I've not tried running my K3 at outside temps,

Hello Ed,

I would caution you against trying your K3 in those temps.  Minus 60
degrees F. is the coldest on record for Minnesota, and you experience
far colder that that. The cold may do multiple things to the K3 if it
has multi-layer circuit boards.  I didn't notice if it does.

Our club left a repeater in an unheated enclosure one winter. I would
estimate it wasn't much colder than minus 30 degrees F. at that
location. (To clarify for others, this is 30 degrees F. below zero.)  I
have seen what the multi-layer circuit board looked like. More
specifically, the thru-the-hole solder connections from one layer to
another were cracked. Maybe it was the type of solder used???

I'm sure circuit designs have changed since the first solid state rigs I
described in the cold.  LCD screens hadn't been heard of yet.  I'm
surprised they don't freeze and get damaged in your temps.  It is
interesting to read of your outdoor experiences.

73,
  Dick, n0ce



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[Elecraft] K-Pod Macro Question

[paul ecker via Elecraft]

In my K3 I have SPKR+PH set to YES, and sometime ago Iassigned a macro to PF2 
that allows me to switch  the speaker either on or off, even though Ihave 
headphones plugged in. But I'll be darn if I can remember or figure outnow, 
what the macro cmd would be so I can assign the same action to a K-Podbutton. 
Can someone help?
73Paulkc2nyu
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Re: [Elecraft] Looking for sdrIQx.dll file for CWskimmer

[mike]

Thanks for the email replies I have received so far, but I may need to
clarify. The issue is not with CWskimmer. I have successfully installed the
program from current files on the DXAtlas Website. I also have a good copy
of the sdr14x.dll that is supplied by the manufacturer of my SDR-I/Q
receiver. However when I try to register the sdr14x.dll, Windows 10
complains that it 'may not be compatible'. When I run CWskimmer, it issues
the error 'Unable to create SDR14X object' meaning it cannot find/use the
active-x file to connect with the SDR-I/Q receiver.

The sdrIQx.dll is an active-x component that is listed with the other .dll
files in the System32 folder (C:\Windows\System32). If you are running
CWskimmer using the SDR-I/Q receiver, you might have installed the
sdrIQx.dll file I am looking for.

Thanks  73  ..mike  AI6II



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Re: [Elecraft] RF noise on 80M with KPA500 plugged into AC outlet

[Don Wilhelm]

John,

Is that ground rod connected with heavy copper wire (#6 or better #4) to 
the Utility Entry ground rod?  If not, that may be the cause.
Even if it is not the cause of that behavior, it is a safety issue for 
you and your family and is a requirement according to the National 
Electrical Code.  The only exception is if the ground rods are more than 
100 feet apart.


A power cord - connected only to the wall receptacle should not cause 
any noise.
Try the same with another power cord - if the same thing happens, 
examine your house wiring.  OTOH, if the other power cord does not 
produce the noise, you may conclude that the original power cord has 
some sort of leakage problem.


73,
Don W3FPR

On 10/4/2016 11:18 PM, John Freed wrote:

Here is an interesting situation.  On 80 meters (3.980 MHZ) the background 
noise goes from S7 to S9+20 when I plug the KPA500 into the AC outlet.  I have 
not turned on the Amplifier, just plugged it into the AC outlet.  I disconnect 
the power cord from the amplifier at the amplifier and the noise remains.  I 
unplug the power cord and the background noise drops back to S7.  This only 
happens on 80 meters.  I have an idea the outlet may have a grounding problem.  
I will test it tomorrow.  Any ideas??

I have a ground bar that all of the radios are attached to.  Single ground wire 
to an 8 ft ground rod just outside the shack. Hm!  (me scratching my head)




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Re: [Elecraft] RF noise on 80M with KPA500 plugged into AC outlet

[j...@kk9a.com]

If he is hearing the the cord radiate, he either has the antenna very
close to the shack or the coax is leaky.

John KK9A

From: K9MA k9ma at sdellington.us
Wed Oct 5 00:20:43 EDT 2016

The only other
possibility I can think of is that the wiring to the wall socket is in
conduit, so it's shielded, and the line cord is acting as an antenna,
radiating whatever junk is on the wiring.  (Be sure to turn off all the
fluorescent lights nearby.)

73,

Scott  K9MA


-- 
Scott  K9MA

k9ma at sdellington.us

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[Elecraft] Looking for sdrIQx.dll file for CWskimmer

[mike]

A recent computer crash and bad backup caused me to lose the sdrIQx.dll file
I need to run CWskimmer with my SDR-IQ receiver. I split my K3 RX antenna
with mySDR receiver so I can spot the signals I can hear at my qth rather
than use a DX Cluster.

Anyway, there have been threads on setting up CWskimmer on this refector and
I am hoping someone has this .dll file that they can send me. 

Thanks  73  ..mike  AI6II



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Re: [Elecraft] RF noise on 80M with KPA500 plugged into AC outlet

[Bob Novas]

I would open up the power plug that goes into the wall socket and check its
wiring.  I suspect that plug is doing something bad with neutral and ground
- like maybe connecting them together.  Bob - W3DK

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of John
Freed
Sent: Tuesday, October 04, 2016 11:18 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] RF noise on 80M with KPA500 plugged into AC outlet
Importance: High

Here is an interesting situation.  On 80 meters (3.980 MHZ) the background
noise goes from S7 to S9+20 when I plug the KPA500 into the AC outlet.  I
have not turned on the Amplifier, just plugged it into the AC outlet.  I
disconnect the power cord from the amplifier at the amplifier and the noise
remains.  I unplug the power cord and the background noise drops back to S7.
This only happens on 80 meters.  I have an idea the outlet may have a
grounding problem.  I will test it tomorrow.  Any ideas??

I have a ground bar that all of the radios are attached to.  Single ground
wire to an 8 ft ground rod just outside the shack. Hm!  (me scratching
my head)

72

John Freed, KX6F
ARES
Redcross DST
Flying Pigs
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Re: [Elecraft] Mag loop bender

[P.J.Hicks]

My badforgot to mention the sand. 

PJH 

- Original Message -

OK, enough, 

If you don't want any kinks in it. You should slowly fill the tube with DRY 
sand and tap it until it it is packed full THEN proceed with the bending. IF 
you have packed the sand tightly the bend will resist kinking. I have used this 
for bending tubing over a pulley with good results. The pulley for the bend 
radius you need should to be progressive from large to final. For me it took 
three sizes to get to the final radius without kinks. Works with aluminum and 
copper. Does not work on conduit. 


Mel, K6KBE 




From: P.J.Hicks  
To: ELECRAFT  
Sent: Tuesday, October 4, 2016 3:33 PM 
Subject: [Elecraft] Mag loop bender 

Bending tube for Mag loop. 
Simplest way is to get a piece of plywood about 3' to 4' square. Cut an arch of 
18" in a 2" x 6" or 2" x 8" and nail it to the plywood. Next cut an another 
arch from plywood of about 19" or 19 1/2" and nail it to the other arch forming 
a channel. Use the channel as a bending guide to slowly bring the tube into 
shape. 

PJH, N7PXY 
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