Re: [Elecraft] New Sub RX

[Wes Stewart]

None of this works when the DX stations remove all possibility of skill making a 
difference when they have zero pattern to their operation.  It's as if they 
randomly spin the dial after every QSO and if you happen to be lucky (and 
strong) they hear you. Otherwise, you can spend hours of wasted time.  A couple 
of west African DXpeditions currently operating leap to mind.


OTOH, TN5R was very predicable on 160 about an hour ago and I worked him with my 
modest station for a new one.


Wes  N7WS

On 3/13/2018 9:48 PM, Bill Frantz wrote:
I must admit, I tend to use my eyes on the P3 and then confirm what I see by 
listening on the sub-receiver. Of course, when the DX is very weak, I need 
diversity to be able to hear him, hence the 3rd receiver.


My standard DXing pose is eyes glued to the P3, looking for the last caller 
and for open spaces to squeeze in a signal. Just going to the frequency of the 
last caller doesn't work really well because everyone else is there.


73 Bill AE6JV

On 3/13/18 at 3:18 AM, btipp...@alum.mit.edu (Bill Tippett) wrote:


On Tue, Mar 13, 2018 at 6:07 AM, Bill Rowlett  wrote:

What happened to using your ears to find the station being worked?


That works too...but then you truly DO need a third receiver if you want to
use diversity on the DX station.  I don't know how many truly massive CW
pileups you've ever been in but you can spend HOURS when you can spend
MINUTES by using CW Skimmer.  This comes from an OT who has 385 confirmed
overall since 1957.

73,  Bill  W4ZV


---
Bill Frantz    | I like the farmers' market   | Periwinkle
(408)356-8506  | because I can get fruits and | 16345 Englewood Ave
www.pwpconsult.com | vegetables without stickers. | Los Gatos, CA 95032

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Re: [Elecraft] New Sub RX

[Bill Frantz]

I must admit, I tend to use my eyes on the P3 and then confirm 
what I see by listening on the sub-receiver. Of course, when the 
DX is very weak, I need diversity to be able to hear him, hence 
the 3rd receiver.


My standard DXing pose is eyes glued to the P3, looking for the 
last caller and for open spaces to squeeze in a signal. Just 
going to the frequency of the last caller doesn't work really 
well because everyone else is there.


73 Bill AE6JV

On 3/13/18 at 3:18 AM, btipp...@alum.mit.edu (Bill Tippett) wrote:


On Tue, Mar 13, 2018 at 6:07 AM, Bill Rowlett  wrote:

What happened to using your ears to find the station being worked?


That works too...but then you truly DO need a third receiver if you want to
use diversity on the DX station.  I don't know how many truly massive CW
pileups you've ever been in but you can spend HOURS when you can spend
MINUTES by using CW Skimmer.  This comes from an OT who has 385 confirmed
overall since 1957.

73,  Bill  W4ZV


---
Bill Frantz| I like the farmers' market   | Periwinkle
(408)356-8506  | because I can get fruits and | 16345 
Englewood Ave
www.pwpconsult.com | vegetables without stickers. | Los Gatos, 
CA 95032


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Re: [Elecraft] K3S Sound Devices Issue

[Rich]

Thank you.  I never even thought about Win updates.

Rich


On 3/13/2018 20:03 PM, Don Wilhelm wrote:
The only way I can think of to avoid problems like that is to disable 
Windows updates.


Yes, this is a computer related situation, and not a K3S situation.

73,
Don W3FPR

On 3/13/2018 2:38 PM, Rich wrote:
I think this issue is Win10 related but this seems to be the place to 
ask the question.


I had my K3 upgraded to the "s" last summer.   Once Windows created 
the USB sound device I renamed them to K3 Receive Audio and K3 
Transmit Audio.   Everything was working fine.


Last night I was trying to work some RTTY and found that MMTTY was 
not decoding RTTY.   After much confusion I realized that Windows (I 
guess) created another sound device called USB Microphone and it was 
ignoring the original K3 Receive Audio device which still existed.


Has anyone seen this happen?

Is there a way to avoid it happening again?




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Re: [Elecraft] K3S Power Creep (again)

[marvwheeler]

I had the problem of power creep and the fix was just as described.
Adjusting the drive to the transmitter fixed it. 

-Original Message-
From: elecraft-boun...@mailman.qth.net  On
Behalf Of Kenneth Christiansen
Sent: Tuesday, March 13, 2018 4:57 PM
To: Jim N7US 
Cc: Wes Stewart ; Elecraft Reflector

Subject: Re: [Elecraft] K3S Power Creep (again)

Power Creep

I bet each one of you that has this problem has one defective output power
transistor. The remaining transistor can reach full power but it takes a
while. Talk to Elecraft service and ask them if they think that is your
problem and if it is then make arrangements to get it fixed.

Good luck and hope this can fix your problems.

73

Ken W0CZ


Sent from my iPad

> On Mar 13, 2018, at 4:19 PM, Jim N7US  wrote:
> 

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Re: [Elecraft] K3S Sound Devices Issue

[Don Wilhelm]

The only way I can think of to avoid problems like that is to disable 
Windows updates.


Yes, this is a computer related situation, and not a K3S situation.

73,
Don W3FPR

On 3/13/2018 2:38 PM, Rich wrote:
I think this issue is Win10 related but this seems to be the place to 
ask the question.


I had my K3 upgraded to the "s" last summer.   Once Windows created the 
USB sound device I renamed them to K3 Receive Audio and K3 Transmit 
Audio.   Everything was working fine.


Last night I was trying to work some RTTY and found that MMTTY was not 
decoding RTTY.   After much confusion I realized that Windows (I guess) 
created another sound device called USB Microphone and it was ignoring 
the original K3 Receive Audio device which still existed.


Has anyone seen this happen?

Is there a way to avoid it happening again?

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Re: [Elecraft] KX3 AND FILTERS

[Don Wilhelm]

Noel,

The 'roofing filters' do not impact the I/Q output.

73,
Don W3FPR

On 3/13/2018 7:34 PM, NOEL POULIN wrote:

Hello
I wonder if the optional 'roofing filters' is added to the KX3 if that 
effects the I/Q output bandwidth?

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Re: [Elecraft] K3S Power Creep (again)

[Kenneth Christiansen]

Power Creep

I bet each one of you that has this problem has one defective output power 
transistor. The remaining transistor can reach full power but it takes a while. 
Talk to Elecraft service and ask them if they think that is your problem and if 
it is then make arrangements to get it fixed.

Good luck and hope this can fix your problems.

73

Ken W0CZ


Sent from my iPad

> On Mar 13, 2018, at 4:19 PM, Jim N7US  wrote:
> 

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Re: [Elecraft] New Sub RX

[Don Wilhelm]

Dave,

Yes, you will find the SubRX will be a benefit for working DX - similar 
to the dual watch on the KX2 - although the K3/K3X subRX will provide a 
lot more capability, monitoring other bands with the subRX (with VFO IND 
menu set on is just one 'for instance').  The P3 also adds another layer 
of helpfulness for DX or contesting operation.
It helps you to know where and when to transmit when trying to snag that 
elusive DX station.


73,
Don W3FPR

On 3/13/2018 7:24 PM, Dave Fugleberg wrote:

I’ve always had a single receiver, modest antennas, and 100 watts, and have
worked many of the DXpeditions over the years. However, it seems like it’s
getting more difficult lately to figure out the pileups just by listening.
I don’t know if it’s the ‘constant callers’ that keep calling while the DX
is working someone else, or the fact that some of the DX is hopping around
without a discernible pattern (perhaps clicking on a panadapter to work the
station that’s in the clear at that moment). Maybe my skills at reading the
pileup are no longer sufficient (not that I have ever been a DX expert).
Anyhow, I’m thinking about trying some of these newer ideas like a local
skimmer and/or a sub receiver.
Just for fun last night, I tried listening to the 3C0W pileup with my KX2,
using the ‘dual watch’ capability that’s built in. I found it was pretty
easy to find the station working the DX that way, so maybe a sub receiver
for the K3 would be worthwhile.
Maybe I’ll have to visit one of my friends who already has the sub to try
it out.

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[Elecraft] KX3 AND FILTERS

[NOEL POULIN]

Hello
I wonder if the optional 'roofing filters' is added to the KX3 if that 
effects the I/Q output bandwidth?

Thanks very much
Noel

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Re: [Elecraft] K3S Power Creep (again)

[Don Wilhelm]

One of the causes for that "power creep" when using soundcard data modes 
(DATA A or AFSK A) is insufficient audio to the K3.  The audio level 
must be adjusted to produce 4 bars solid with the 5th bar flashing on 
the ALC meter.


For voice modes, a similar situation may exist, and with compression set 
to zero, you need to drive the ALC meter at 5 to 7 bars on the ALC meter 
when talking in a normal voice.  After that you may set the compression 
to your pleasure.


Your situation may have a different cause, but that is the first thing 
to check.


Yes, the Elecraft implementation for power control is like many 
commercial transceivers, and unlike the "big 3".  It does not produce 
IMD, but depends on having sufficient audio into the transceiver to 
prevent "power hunting".


The rise times to full power you have stated is exceptionally long, so 
my first suspicion is that you are not driving with sufficient audio. 
In most cases (of normal operation) the time to full power output is in 
milliseconds.


73,
Don W3FPR

On 3/13/2018 5:46 PM, ab2tc wrote:

Hi all,

I have the same problem. Anytime I change something, like band, power or a
number of other things, power starts up ridiculously low and creeps *very*
slowly up to the 100W mark. Even without changing anything the actual peak
power on a transmission can be anywhere between 80 and 120W as indicated by
my LP-100A. I am not sure if this is a problem with K3S only. I still have
my old K3 but don't use it often enough to know if this is a K3S problem
only. I understand Elecraft's policy on not relying on a fast ALC to to
control power like most of the big three do (causing IMD), but really, does
it have to be this slow? This is on a fairly new K3S which has been back to
the factory twice to get the latest upgrades to the transmitter chain. My
experience is all SSB with 100W set for the power level.

AB2TC - Knut



Wes Stewart-2 wrote

This is an old subject but with a new wrinkle.  Although I'm observing a
drift
in power on all bands (and modes) after a band or power adjustment, it's
ridiculously slow on 17-meters.  It's taking 5-10 seconds to stabilize.

Any change, such as switching to another band and back again or a minor
change
in power starts the process over.  This is particularly annoying on RTTY
AFSK
A.  (Please no lectures on how Elecraft ALC is different from other
radios, I've
been running AFSK RTTY for 10 years with K3s.)  Using the KPA500 power
graph as
an expanded proxy for the K3S output power, I'm seeing a change from about
50
watts to 500 watts after an adjustment. On CW the first dit is about 100W.

I reran the power calibration and this appeared to fix it initially but
the
issue returned.  This was particularly annoying when I was running a
digital
mode and saw that I was hitting the amp harder than desired.  I tried
adjusting
power during the transmission and it practically dropped to zero before
slowly
climbing.  Getting a precise level is difficult.

Wes  N7WS



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Re: [Elecraft] New Sub RX

[Dave Fugleberg]

I’ve always had a single receiver, modest antennas, and 100 watts, and have
worked many of the DXpeditions over the years. However, it seems like it’s
getting more difficult lately to figure out the pileups just by listening.
I don’t know if it’s the ‘constant callers’ that keep calling while the DX
is working someone else, or the fact that some of the DX is hopping around
without a discernible pattern (perhaps clicking on a panadapter to work the
station that’s in the clear at that moment). Maybe my skills at reading the
pileup are no longer sufficient (not that I have ever been a DX expert).
Anyhow, I’m thinking about trying some of these newer ideas like a local
skimmer and/or a sub receiver.
Just for fun last night, I tried listening to the 3C0W pileup with my KX2,
using the ‘dual watch’ capability that’s built in. I found it was pretty
easy to find the station working the DX that way, so maybe a sub receiver
for the K3 would be worthwhile.
Maybe I’ll have to visit one of my friends who already has the sub to try
it out.
My main (self-imposed) criteria for DXCC is that I work them with my own
station from one location (here in the RF black hole of the Midwest). To
each his own I guess!
On Tue, Mar 13, 2018 at 5:12 PM Dave Sublette  wrote:

> I worked the XR0YD on 40M with 5 watts, one call.  The KX3 is a cool rig!
>
> K4TO
>
> On Tue, Mar 13, 2018 at 5:02 PM, Wes Stewart 
> wrote:
>
> > I still use my ears.
> >
> > And I don't use skimmer, automatic tuning via spots, remote stations,
> > etc.  I also have only a single receiver K3S, KPA500 and very modest
> > antennas. (See my QRZ page)  Yet for example in the last few days, I've
> > managed to work XR0YD on all bands and modes they've operated on that
> > count*, except for 40-meter SSB.  (25 of 33 slots)
> >
> > I do have a K-Pod but for me the knob just gets in the way of the buttons
> > and I never use it.
> >
> > * I broke down and worked them on a couple of slots on FT8 just for the
> > heck of it, but I won't claim them.
> >
> > Wes
> >
> > On 3/13/2018 3:07 AM, Bill Rowlett wrote:
> >
> >> What happened to using your ears to find the station being worked?
> >>
> >> 73 Bill  KC4IM
> >>
> >>
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Re: [Elecraft] New Sub RX

[Dave Sublette]

I worked the XR0YD on 40M with 5 watts, one call.  The KX3 is a cool rig!

K4TO

On Tue, Mar 13, 2018 at 5:02 PM, Wes Stewart  wrote:

> I still use my ears.
>
> And I don't use skimmer, automatic tuning via spots, remote stations,
> etc.  I also have only a single receiver K3S, KPA500 and very modest
> antennas. (See my QRZ page)  Yet for example in the last few days, I've
> managed to work XR0YD on all bands and modes they've operated on that
> count*, except for 40-meter SSB.  (25 of 33 slots)
>
> I do have a K-Pod but for me the knob just gets in the way of the buttons
> and I never use it.
>
> * I broke down and worked them on a couple of slots on FT8 just for the
> heck of it, but I won't claim them.
>
> Wes
>
> On 3/13/2018 3:07 AM, Bill Rowlett wrote:
>
>> What happened to using your ears to find the station being worked?
>>
>> 73 Bill  KC4IM
>>
>>
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Re: [Elecraft] K3S Power Creep (again)

[ab2tc]

Hi all,

I have the same problem. Anytime I change something, like band, power or a
number of other things, power starts up ridiculously low and creeps *very*
slowly up to the 100W mark. Even without changing anything the actual peak
power on a transmission can be anywhere between 80 and 120W as indicated by
my LP-100A. I am not sure if this is a problem with K3S only. I still have
my old K3 but don't use it often enough to know if this is a K3S problem
only. I understand Elecraft's policy on not relying on a fast ALC to to
control power like most of the big three do (causing IMD), but really, does
it have to be this slow? This is on a fairly new K3S which has been back to
the factory twice to get the latest upgrades to the transmitter chain. My
experience is all SSB with 100W set for the power level.

AB2TC - Knut



Wes Stewart-2 wrote
> This is an old subject but with a new wrinkle.  Although I'm observing a
> drift 
> in power on all bands (and modes) after a band or power adjustment, it's 
> ridiculously slow on 17-meters.  It's taking 5-10 seconds to stabilize.
> 
> Any change, such as switching to another band and back again or a minor
> change 
> in power starts the process over.  This is particularly annoying on RTTY
> AFSK 
> A.  (Please no lectures on how Elecraft ALC is different from other
> radios, I've 
> been running AFSK RTTY for 10 years with K3s.)  Using the KPA500 power
> graph as 
> an expanded proxy for the K3S output power, I'm seeing a change from about
> 50 
> watts to 500 watts after an adjustment. On CW the first dit is about 100W.
> 
> I reran the power calibration and this appeared to fix it initially but
> the 
> issue returned.  This was particularly annoying when I was running a
> digital 
> mode and saw that I was hitting the amp harder than desired.  I tried
> adjusting 
> power during the transmission and it practically dropped to zero before
> slowly 
> climbing.  Getting a precise level is difficult.
> 
> Wes  N7WS
> 
> 
> 
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Re: [Elecraft] K3S Power Creep (again)

[Jim N7US]

I had the same problem, plus my output on 160 and 80 was low.

I just had the radio back for warranty service, and they turned it around in 
just a few days.  I was very pleased.

73, Jim N7US

-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of Wes Stewart
Sent: Tuesday, March 13, 2018 16:09
To: Elecraft Reflector 
Subject: [Elecraft] K3S Power Creep (again)

This is an old subject but with a new wrinkle.  Although I'm observing a drift 
in power on all bands (and modes) after a band or power adjustment, it's 
ridiculously slow on 17-meters.  It's taking 5-10 seconds to stabilize.

Any change, such as switching to another band and back again or a minor change 
in power starts the process over.  This is particularly annoying on RTTY AFSK 
A.  (Please no lectures on how Elecraft ALC is different from other radios, 
I've been running AFSK RTTY for 10 years with K3s.)  Using the KPA500 power 
graph as an expanded proxy for the K3S output power, I'm seeing a change from 
about 50 watts to 500 watts after an adjustment. On CW the first dit is about 
100W.

I reran the power calibration and this appeared to fix it initially but the 
issue returned.  This was particularly annoying when I was running a digital 
mode and saw that I was hitting the amp harder than desired.  I tried adjusting 
power during the transmission and it practically dropped to zero before slowly 
climbing.  Getting a precise level is difficult.

Wes  N7WS


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[Elecraft] K3S Power Creep (again)

[Wes Stewart]

This is an old subject but with a new wrinkle.  Although I'm observing a drift 
in power on all bands (and modes) after a band or power adjustment, it's 
ridiculously slow on 17-meters.  It's taking 5-10 seconds to stabilize.


Any change, such as switching to another band and back again or a minor change 
in power starts the process over.  This is particularly annoying on RTTY AFSK 
A.  (Please no lectures on how Elecraft ALC is different from other radios, I've 
been running AFSK RTTY for 10 years with K3s.)  Using the KPA500 power graph as 
an expanded proxy for the K3S output power, I'm seeing a change from about 50 
watts to 500 watts after an adjustment. On CW the first dit is about 100W.


I reran the power calibration and this appeared to fix it initially but the 
issue returned.  This was particularly annoying when I was running a digital 
mode and saw that I was hitting the amp harder than desired.  I tried adjusting 
power during the transmission and it practically dropped to zero before slowly 
climbing.  Getting a precise level is difficult.


Wes  N7WS



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Re: [Elecraft] New Sub RX

[Wes Stewart]

I still use my ears.

And I don't use skimmer, automatic tuning via spots, remote stations, etc.  I 
also have only a single receiver K3S, KPA500 and very modest antennas. (See my 
QRZ page)  Yet for example in the last few days, I've managed to work XR0YD on 
all bands and modes they've operated on that count*, except for 40-meter SSB.  
(25 of 33 slots)


I do have a K-Pod but for me the knob just gets in the way of the buttons and I 
never use it.


* I broke down and worked them on a couple of slots on FT8 just for the heck of 
it, but I won't claim them.


Wes

On 3/13/2018 3:07 AM, Bill Rowlett wrote:

What happened to using your ears to find the station being worked?

73 Bill  KC4IM



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Re: [Elecraft] New Sub RX

[wb6rse1]

In K3 diversity mode, press and hold the REV button and tune the pile with the 
Main knob VFO A. Release the REV button and you're back to diversity RX on the 
desired signal. If you have a P3 it will give you clues on where to scan the 
pile.

GL - Steve WB6RSE



On Mar 13, 2018, at 2:57 AM, Bill W4ZV  wrote:

Bill Frantz wrote
> But now I need three receivers. Two for diversity and one to scan the
> pileup.

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[Elecraft] K3S Sound Devices Issue

[Rich]

I think this issue is Win10 related but this seems to be the place to 
ask the question.


I had my K3 upgraded to the "s" last summer.   Once Windows created the 
USB sound device I renamed them to K3 Receive Audio and K3 Transmit 
Audio.   Everything was working fine.


Last night I was trying to work some RTTY and found that MMTTY was not 
decoding RTTY.   After much confusion I realized that Windows (I guess) 
created another sound device called USB Microphone and it was ignoring 
the original K3 Receive Audio device which still existed.


Has anyone seen this happen?

Is there a way to avoid it happening again?

Thanks in Advance
Rich
K3RWN
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Re: [Elecraft] New Sub RX

[Bill W4ZV]

Jim Brown-10 wrote
> That works fine IF you're a big signal at the DX QTH, but not so well if 
> you're not. When, for example, you're in W6 trying to work AF through EU 
> and the east coast, who are 20 dB louder. For that, you've gotta be a 
> bit smarter.

I guess my 30 years in Colorado made me doubly smart, since I had to work
through BOTH coasts.  :-))  And I never once complained about either.

73,  Bill  W4ZV




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Re: [Elecraft] New Sub RX

[Ignacy]

> But I still get my thrills from working 
>  weak DX on 160 that I hear with my ears (like VU2BGS last night who runs 
>  140W to a 10 meter high vertical!).   

^  73,  Bill  W4ZV 

For every DX with a  short vertical on 160m there is someone else with 4
square. 
I heard Bill as ZL/NO9E on 160m last month with $599 FT-891 and he was loud!   

Ignacy, NO9E



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Re: [Elecraft] New Sub RX

[Jim Brown]

That works fine IF you're a big signal at the DX QTH, but not so well if 
you're not. When, for example, you're in W6 trying to work AF through EU 
and the east coast, who are 20 dB louder. For that, you've gotta be a 
bit smarter.


73, Jim K9YC

On 3/13/2018 2:57 AM, Bill W4ZV wrote:

Get CW Skimmer and enable its "599" function.  You don't even need to listen
to the pileup since you can watch for the last "599" in the spectrum display
and move your TX there.



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Re: [Elecraft] New Sub RX

[Jim Brown]

On 3/13/2018 5:20 AM, Bill W4ZV wrote:

But I still get my thrills from working
weak DX on 160


And I get my thrills from achieving DXCC from a single location, not 
multiple locations thousands of miles apart. I started over at age 62 
when I moved from Chicago to California.


73, Jim K9YC

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Re: [Elecraft] K3 Sub RX stopped working on 20/17 meters

[Don Wilhelm]

Chris,

Which filters are enabled for what modes?  You can check with K3 Utility.
It would simplify things a bit if you moved the SUB RX filter by one 
slot (leaving FL1 empty).
Then change the filter configuration to match using either K3 Utility or 
by hand in the menu.


The thing that is really important is that you enable the filters for 
the intended modes.


The display of FL1-FL5 normally refers to the main RX.  Use BSET to 
display the filter for the subRX.


73,
Don W3FPR

On 3/13/2018 11:08 AM, Chris Hallinan wrote:

Hmmm.
Just made a new discovery.
I can get the Sub RX to work on FL2 and FL3, but not FL1 nor FL4.

Here is my filter configuration:

FILTER   Main RX   SUB RX
FL1   13KHz2.7KHz
FL2   2.7  1.8
FL3   1.8  500Hz
FL4   500Hz250
FL5   250Hz

First of, shouldn't these match for proper diversity receive?  ie same
filter bw in corresponding slots?

Second, the SubRX *WORKS* again on 20m with FL2 or FL3 selected, but not
FL1 nor FL4.


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Re: [Elecraft] K3 Sub RX stopped working on 20/17 meters

[Chris Hallinan]

Thanks Don,

According to the K3 Utility, all four filters are enabled for Sub RX for
CW, USB and LSB modes.
However, I still can only receive on FL2/3.  When FL1 or 4 are selected,
the Sub RX S-Meter goes to zero and there is no receive on any mode.
By now I am quite familiar with the BSET button ;)

73 de K1AY
Chris


On Tue, Mar 13, 2018 at 12:00 PM, Don Wilhelm 
wrote:

> Chris,
>
> Which filters are enabled for what modes?  You can check with K3 Utility.
> It would simplify things a bit if you moved the SUB RX filter by one slot
> (leaving FL1 empty).
> Then change the filter configuration to match using either K3 Utility or
> by hand in the menu.
>
> The thing that is really important is that you enable the filters for the
> intended modes.
>
> The display of FL1-FL5 normally refers to the main RX.  Use BSET to
> display the filter for the subRX.
>
> 73,
> Don W3FPR
>
> On 3/13/2018 11:08 AM, Chris Hallinan wrote:
>
>> Hmmm.
>> Just made a new discovery.
>> I can get the Sub RX to work on FL2 and FL3, but not FL1 nor FL4.
>>
>> Here is my filter configuration:
>>
>> FILTER   Main RX   SUB RX
>> FL1   13KHz2.7KHz
>> FL2   2.7  1.8
>> FL3   1.8  500Hz
>> FL4   500Hz250
>> FL5   250Hz
>>
>> First of, shouldn't these match for proper diversity receive?  ie same
>> filter bw in corresponding slots?
>>
>> Second, the SubRX *WORKS* again on 20m with FL2 or FL3 selected, but not
>> FL1 nor FL4.
>>
>>


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Re: [Elecraft] K3 RS232 Question for Remoterig Users

[Fred C. Jensen]

No, a Y-cable won't work. I use an A- B switch [Amazon, about $20].  You will 
also need a USB cable to the PC if you're using a logging program with CAT 
control.

Fred K6DGW
Sparks NV

Ed G  wrote:
>Hello,
> I am exploring some different options for remote control of a home 
> station. After reviewing the Remoterig RRC-1258 manual, it appears that the 
> cabling to the home station K3 is minimal, basically just a null modem 
> connection from the K3 RS232 port to the Remoterig box.  To have a setup that 
> does not require constantly connecting and disconnecting the cable, can I use 
> a Y adapter, assuming that other external RS232 control/polling signals are 
> turned off?  The Remoterig box doesn’t have a power on/off switch, so it 
> might be powered up all the time, and I am wondering about potential 
> conflicts should I use a Y cable.
>--Ed—
>
> 
>
>
>
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Re: [Elecraft] K3 Sub RX stopped working on 20/17 meters

[Chris Hallinan]

Hmmm.
Just made a new discovery.
I can get the Sub RX to work on FL2 and FL3, but not FL1 nor FL4.

Here is my filter configuration:

FILTER   Main RX   SUB RX
FL1   13KHz2.7KHz
FL2   2.7  1.8
FL3   1.8  500Hz
FL4   500Hz250
FL5   250Hz

First of, shouldn't these match for proper diversity receive?  ie same
filter bw in corresponding slots?

Second, the SubRX *WORKS* again on 20m with FL2 or FL3 selected, but not
FL1 nor FL4.

Doesn't seem to matter which filter the Main RX is connected to. I tried
all the combinations for Main on CW: FL2,3,4,5 - SubRX only works on
FL2/3.  Selecting FL1 or FL4 silences the Sub receiver.

Chris


On Tue, Mar 13, 2018 at 8:54 AM, Chris Hallinan  wrote:

> Well, I have a 20-meter vertical connected directly to the AUX RF input,
> and a receiving loop connected to RX IN.  So unless there is a setting
> somewhere that somehow disconnects the antennas on 20 and 17, it's simply
> not working.
>
> Noone else has replied.  I have placed a call to Elecraft support on this
> one.
>
> Thanks,
>
> 73 de K1AY
> Chris
>
>
> On Mon, Mar 12, 2018 at 9:42 PM, Richard Donner 
> wrote:
>
>> Hi
>> This is my first help idea.  Perhaps your sub receiver is not
>> connected
>> to an active antenna on 17 and 20 meters.
>> I have done stuff like that  and pulled my hair out until I realized the
>> above.
>> luck
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>
>
>
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>
>


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Re: [Elecraft] Fault on KPA500 after 300w

[Alan Lambert]

Good news!  I swapped out the 1ft jumper for a 20ft jumper and moved the
balun problem solved!  Thanks all for you help!

On Mon, Mar 12, 2018 at 7:19 AM, Alan Lambert  wrote:

> I recently acquired a KP500/KAT500 for use with my Kx3/KXPa100. I know
> the person I bought it from well and I am 99.% sure it is not an
> issue with the amp or tuner.
>
>  I was making some notes (a chart) for input to output power levels,
> mostly just to ‘get to know’ the amp a little better.  At the time of
> these issues, I was on 80m SSB and the Kat500 was showing 1:1 / 1.2:1.
>
> The output watts  I have listed below are not ‘actuals’ I’m just
> recalling them from memory so may be off a few watts.
>
> I set the Kx3 to 8w and called “test test test 1 2 3  kn4bbc” I showed
> ~80w out with a 1:1 to 1.2:1 SWR.. GREAT!
>
> Moved up to 9w and got 100w out… same SWR – more Great!
>
> 10w I got 175w same SWR – sill looking good!
>
> 11w I got  250w same SWR – Awesome!
>
> Now this is where the problem comes in.
>
> I set to 12w… As I starting calling my “test test test 1 2 3…”  At
> first things looked great..I was getting 300w same SWR  but then
> suddenly I get high SWR followed by  “High Refl” on the KPA5, fault
> light comes on and I get warning tones.
>
> So I tuned the KAT500 again and tried the whole thing again with the
> same results.
>
> Gear wise:
>
> KX3/Kxpa100 with ATU disabled > KPA500/KAT500.
>
> Ant1 on Kat500  >  1ft LMR400 jumper >  1:1 ATU Current Balun  > 225
> feet of 450 ladder line > a ½ wave 80m center fed, inverted V  dipole.
> Center point is ~90 feet off ground.
>
> The Balun is a Balun Designs Model 1161
>
> The shack is on 2nd floor in middle of the house and has no exterior walls.
>
> The ladder line starts in the shack, there is about 2 feet  of in the
> shack then enters my attic space thru and opening in a sheetrock wall.
> Inside the attic space there is a long slow, wide loop about 50 feet
> long. I was careful to keep it away from metals and it does not cross
> itself however some of it  is lying on top of plywood. From there its
> exits the house in the ridge cap at the tip top of the roof at about
> (40 feet off ground)  The ladder line then hangs from a rope that runs
> from the eve to the tree line about 175 feet away which is where the
> center point of the dipole is.  In short 175 feet outside 50 feet
> inside.
>
>
> Ideas of what my problem might be?
>
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Re: [Elecraft] K3 Sub RX stopped working on 20/17 meters

[Chris Hallinan]

Well, I have a 20-meter vertical connected directly to the AUX RF input,
and a receiving loop connected to RX IN.  So unless there is a setting
somewhere that somehow disconnects the antennas on 20 and 17, it's simply
not working.

Noone else has replied.  I have placed a call to Elecraft support on this
one.

Thanks,

73 de K1AY
Chris


On Mon, Mar 12, 2018 at 9:42 PM, Richard Donner 
wrote:

> Hi
> This is my first help idea.  Perhaps your sub receiver is not connected
> to an active antenna on 17 and 20 meters.
> I have done stuff like that  and pulled my hair out until I realized the
> above.
> luck
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[Elecraft] K3 RS232 Question for Remoterig Users

[Ed G]

Hello,
 I am exploring some different options for remote control of a home 
station. After reviewing the Remoterig RRC-1258 manual, it appears that the 
cabling to the home station K3 is minimal, basically just a null modem 
connection from the K3 RS232 port to the Remoterig box.  To have a setup that 
does not require constantly connecting and disconnecting the cable, can I use a 
Y adapter, assuming that other external RS232 control/polling signals are 
turned off?  The Remoterig box doesn’t have a power on/off switch, so it might 
be powered up all the time, and I am wondering about potential conflicts should 
I use a Y cable.
--Ed—

 



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Re: [Elecraft] New Sub RX

[Bill W4ZV]

j...@kk9a.com wrote
> I was not aware how high tech it has become.

Indeed!  It's now possible to work DX you cannot hear with WSJT-FT8 and use
Remote Ham Radio to use massive stations anywhere in the US (or world for
that matter) from your easy chair.  But I still get my thrills from working
weak DX on 160 that I hear with my ears (like VU2BGS last night who runs
140W to a 10 meter high vertical!).   

73,  Bill  W4ZV



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Re: [Elecraft] KXPA100 DC current at 20 50 watts

[Mike Maloney]

Interesting readings.  Would have thought KXPA more efficient.   Is this into 
dummy load and what frequency was test?
73, Mike AC5P 

On Monday, March 12, 2018 7:57 AM, Jan  wrote:
 

 Power readings here in Ypsilanti . . .Using the KX3/PX3/KXPA100 for 
several years now AND enjoy it very much; including a keyboard into the 
PX3 for some fun on CW too ~ but mostly use the Navy flame-proof key 
with SKCC activity (# 6099T)

Here are my reading on the METERS on the SEC-1235 power supply  . . . a 
good power supply . . .

At 5W   1.5A  and 14V    KX3 alone

At 10W    3.0A  and 14V    KX3 alone

At 20W    10A   and 14V    KX3 + KXPA100

At 50W    15A   and  14V  KX3 + KXPA100

AT 75 W   17A   and 14V  KX3 + KXPA100

At 100W  23A  and 14V   KX3 + KXPA100

Cheers, Jan  K1ND
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[Elecraft] FS: KX3, loaded (Sweden / EU)

[Daniel Brock]

For sale: Elecraft KX3 s/n 8246, with hand mic, KXFL3 Internal
Dual-Passband Roofing Filter, KXAT3 Internal ATU, KXBC3 Internal NiMH
Charger. Also includes Pignology secondary CW interface, aftermarket side
rails, heat sink, dust cover, power cable. I bought it new in 2015.
Selling so I can eventually buy a K3S.

11000 SEK / 1135 USD / 1083 EURO

Prefer buyers in Sweden or at least EU to simplify shipping.

Photos: https://imgur.com/a/AlAYp
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[Elecraft] New Sub RX

[j...@kk9a.com]

Wow interesting post Bill! Outside of contests I have not chased DX in
decades and I was not aware how high tech it has become.

John KK9A

W4ZV wrote:

Get CW Skimmer and enable its "599" function.  You don't even need to listen
to the pileup since you can watch for the last "599" in the spectrum display
and move your TX there.  Here's a macro I wrote in 2011 with details:

http://elecraft.365791.n2.nabble.com/K3-Pileup-Buster-Macro-td6579405.html

73,  Bill  W4ZV


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Re: [Elecraft] New Sub RX

[Bill Tippett]

On Tue, Mar 13, 2018 at 6:07 AM, Bill Rowlett  wrote:

What happened to using your ears to find the station being worked?


That works too...but then you truly DO need a third receiver if you want to
use diversity on the DX station.  I don't know how many truly massive CW
pileups you've ever been in but you can spend HOURS when you can spend
MINUTES by using CW Skimmer.  This comes from an OT who has 385 confirmed
overall since 1957.

73,  Bill  W4ZV
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Re: [Elecraft] New Sub RX

[Bill Rowlett]

What happened to using your ears to find the station being worked?

73 Bill  KC4IM


> On Mar 13, 2018, at 5:57 AM, Bill W4ZV  wrote:
> 
> Bill Frantz wrote
>> But now I need three receivers. Two for diversity and one to scan the
>> pileup.
> 
> Get CW Skimmer and enable its "599" function.  You don't even need to listen
> to the pileup since you can watch for the last "599" in the spectrum display
> and move your TX there.  Here's a macro I wrote in 2011 with details:
> 
> http://elecraft.365791.n2.nabble.com/K3-Pileup-Buster-Macro-td6579405.html
> 
> 73,  Bill  W4ZV
> 
> 
> 
> 
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Re: [Elecraft] New Sub RX

[Bill W4ZV]

Bill Frantz wrote
> But now I need three receivers. Two for diversity and one to scan the
> pileup.

Get CW Skimmer and enable its "599" function.  You don't even need to listen
to the pileup since you can watch for the last "599" in the spectrum display
and move your TX there.  Here's a macro I wrote in 2011 with details:

http://elecraft.365791.n2.nabble.com/K3-Pileup-Buster-Macro-td6579405.html

73,  Bill  W4ZV




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Re: [Elecraft] KX3 Utility Segmentation Fault in Linux

[David Woolley]

That is much more serious than a warning.  I'd expect it to be 
immediately followed by a crash with signal 3 (abort), rather than 
signal 11 (segmentation fault).  However, if this isn't the standard 
assert routine, I would expect any attempt to actually use hash_table to 
produce a segmentation fault.



The standard assert routine is a macro which tests the condition and, if 
it fails, logs the fact then call abort, which never returns.



On 11/03/18 21:49, Thomas Kluge wrote:

(k3util:2054): GLib-CRITICAL **: g_hash_table_insert_internal:
assertion 'hash_table != NULL' failed
I think this is just a warning but it was followed by a segfault...


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