Re: [Elecraft] K3-FT8

[Bill Frantz]

When I get a bunch of decodes, I look at the time column. If the 
values are mostly less than 0.5 things are OK. If they are over 
1, then you probably won't make many QSOs.


73 Bill AE6JV

On 2/24/21 at 12:35 PM, ea...@comcast.net (Eugene Oliva) wrote:

I reset the time on my computer and made a contact.  It seems 
the time was off. Thanks to all that responded.


---
Bill Frantz|"Web security is like medicine - trying to 
do good for

408-348-7900   |an evolved body of kludges" - Mark Miller
www.pwpconsult.com |

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Re: [Elecraft] K3-FT8

[Dave Cole]

Navagate to:

https://pskreporter.info/pskmap.html

Put your call sign in on the top, and see if anyone is listening and 
hearing you...


Go to a band that you are hearing a lot of stations on, and if within 
your class of your license, transmit there by calling a CQ.  After a few 
minutes, hit "Go" on the map.  That will show you who is hearing you.


I just looked, and in the last 12 hours, you were heard all over the 
planet...




73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist, RFI
ARRL Asst. Director, NW Division, Technical Resources

On 2/24/21 8:22 AM, Eugene Oliva wrote:
I have not operated FT8 in a long time.  Using WSJT-X. I have all 
parameters set up and COM responds OK. Also can get 4+ bars on ALC meter 
but it seems no matter how many times I try no contacts made.  Any 
suggestions?


Gene, W2BXR

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Re: [Elecraft] K3-FT8

[Rich]

Sync your TIME on the PC.   Of course this assumes that your PC is 
connected to the internet.


Rich

On 2/24/2021 11:22 AM, Eugene Oliva wrote:
I have not operated FT8 in a long time.  Using WSJT-X. I have all 
parameters set up and COM responds OK. Also can get 4+ bars on ALC 
meter but it seems no matter how many times I try no contacts made.  
Any suggestions?


Gene, W2BXR

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Re: [Elecraft] K3-FT8

[Ron Manfredi]

A couple of things to consider:

I assume you are receiving data OK?

Are you in Data A mode?

Is the computer clock accurate?

73,  Ron    WA2EIO



On 2/24/2021 11:22 AM, Eugene Oliva wrote:
I have not operated FT8 in a long time.  Using WSJT-X. I have all 
parameters set up and COM responds OK. Also can get 4+ bars on ALC 
meter but it seems no matter how many times I try no contacts made.  
Any suggestions?


Gene, W2BXR

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Re: [Elecraft] K3 FT8

[Rick Bates, NK7I]

Not just the levels but the right input source on the K3?

73,
Rick NK7I


On 12/11/2020 12:28 PM, Don Wilhelm wrote:

Joe,

Do you have the audio levels set right for transmit?
Go to my webpage www.w3fpr.com and look at the last article in the 
left column.


73,
Don W3FPR

On 12/11/2020 3:10 PM, Joe K2UF wrote:

I am trying to get FT8 running on my K3 using Rig blaster advantage.
Everything works except no  transmit RF output.
  Enable TX puts K3 into transmit but no RFoutput.  Have tried 
adjusting RBA

xmit level and K3 mic output.  No joy.
  .Anyone able to share their PTT settings.
  Thanks,
  Joe K2UF
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Re: [Elecraft] K3 FT8

[Jim Rhodes]

Personally (and this varies with every setup) I usually run with the sound
card output level about 1/3 of the way, the level in WSJT-X about 1/3 of
the way up then adjust the mic (line-in) to get the 4 bars plus a flicker
level on the ALC meter. You do not want any of the levels to be too near
either end of the scale for best linearity. So my mic level usually ends up
at 20 to 30.


On Fri, Dec 11, 2020, 13:11 Joe K2UF  wrote:

> I am trying to get FT8 running on my K3 using Rig blaster advantage.
> Everything works except no  transmit RF output.
>
> Enable TX puts K3 into transmit but no RFoutput.  Have tried adjusting RBA
> xmit level and K3 mic output.  No joy.
>
> .Anyone able to share their PTT settings.
>
> Thanks,
>
> Joe K2UF
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Re: [Elecraft] K3 FT8

[Don Wilhelm]

Joe,

Do you have the audio levels set right for transmit?
Go to my webpage www.w3fpr.com and look at the last article in the left 
column.


73,
Don W3FPR

On 12/11/2020 3:10 PM, Joe K2UF wrote:

I am trying to get FT8 running on my K3 using Rig blaster advantage.
Everything works except no  transmit RF output.
  
Enable TX puts K3 into transmit but no RFoutput.  Have tried adjusting RBA

xmit level and K3 mic output.  No joy.
  
.Anyone able to share their PTT settings.
  
Thanks,
  
Joe K2UF

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Re: [Elecraft] K3 FT8

[Dave Cole]

I am running with no interface, an d all works well here.  You might 
consider re-configuring to not use the Rigblaster.


73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist, RFI
ARRL Asst. Director, NW Division, Technical Resources

On 12/11/20 12:10 PM, Joe K2UF wrote:

I am trying to get FT8 running on my K3 using Rig blaster advantage.
Everything works except no  transmit RF output.
  
Enable TX puts K3 into transmit but no RFoutput.  Have tried adjusting RBA

xmit level and K3 mic output.  No joy.
  
.Anyone able to share their PTT settings.
  
Thanks,
  
Joe K2UF

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Re: [Elecraft] K3 FT8

[John]

Vox on Joe?


On 11/12/2020 12:10 p.m., Joe K2UF wrote:

I am trying to get FT8 running on my K3 using Rig blaster advantage.
Everything works except no  transmit RF output.
  
Enable TX puts K3 into transmit but no RFoutput.  Have tried adjusting RBA

xmit level and K3 mic output.  No joy.
  
.Anyone able to share their PTT settings.
  
Thanks,
  
Joe K2UF

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Re: [Elecraft] K3 FT8 Levels Sanity Check

[Don Wilhelm]

Jim,

That may work OK for non-Elecraft gear, but with the power control 
mechanism used by Elecraft, not having sufficient audio drive will cause 
"power hunting".  Drive the soundcard audio for digital modes to 4 bars 
solid with the 5th flashing on the ALC meter.  Then set the power knob 
for the desired power.

It is "in the manual".

Failure to do so can cause the gain of the low level transmit stages to 
be increased which can cause distortion and overdriving of some 
intermittent stages.


On voice modes set the mic gain for 5 to 7 bars with a normal speaking 
voice.  Similar rules apply.


Refer to the Setup for Digital Modes article on my website www.w3fpr.com 
for an expanded explanation.


73,
Don W3FPR

On 11/27/2020 4:33 PM, Jim Rhodes wrote:

Another thing to remember is that you are generating a signal in single
sideband mode. You can also get a pretty good setting by increasing the
gain until it just gets to the power level you have set on the RF out
meter. That is what I do on some of my non-Elecraft rigs. Your level then
should not be distorted and overdriven.

On Fri, Nov 27, 2020 at 2:16 PM Joseph M. Durnal 
wrote:


It has been doing well with the settings I posted.  One of the schools of
thought is to use the most gain in the final stage, which should be the
line gain on the K3.

With the KIO3B the levels on the computer, Windows volume & Pwr slider in
WSJT-X should be known quantities.  I suppose, OS & driver versions could
also make a difference.  The last thing I want is a poor quality signal on
the band,

It can be tough when you are operating a temporary portable setup and you
don't have all your regular stuff or locals you know to get a good signal
report.  I just wanted to do some casual operating while I stayed with my
grandmother and prepared for Thanksgiving & FT8 really fit the bill.  Also
doing a little PSK31 here and there, which is pretty much the same
settings.

In a few hours, the mode will switch to CW for the rest of the weekend.  I
hope 20 meters stays as open as it has been!  Running QRP with an end fed
half wave at rooftop height, so, less than ideal, but looking forward to
getting on the air.

73 de Joe NE3R

On Thu, Nov 26, 2020 at 3:20 PM Bill Frantz  wrote:


Remember also, if the output level from the computer is too
high, then it may not be possible to get the 4 bars steady, 5th
flashing by adjusting the radio line in gain. This is because a
change of one in the line in on the radio gives you either 4
bars steady or 5 bars steady. Cutting down the levels from the
computer will let you use more gain in the radio, getting to a
place where the step size of the digital gain is smaller, giving
finer control.

73 Bill AE6JV

On 11/26/20 at 2:52 PM, j...@audiosystemsgroup.com (Jim Brown) wrote:


On 11/26/2020 1:43 AM, LDE wrote:

Line In Gain = 40 seems too high to me.


Numerical values are pretty much meaningless. The values cited
simply indicate that levels coming out of the computer are
fairly low, so more gain is needed in the Elecraft input stage.

73, Jim K9YC


-
Bill Frantz| When it comes to the world | Periwinkle
(408)348-7900  | around us, is there any choice | 150
Rivermead Rd #235
www.pwpconsult.com | but to explore? - Lisa Randall |
Peterborough, NH 03458

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Re: [Elecraft] K3 FT8 Levels Sanity Check

[Jim Rhodes]

Another thing to remember is that you are generating a signal in single
sideband mode. You can also get a pretty good setting by increasing the
gain until it just gets to the power level you have set on the RF out
meter. That is what I do on some of my non-Elecraft rigs. Your level then
should not be distorted and overdriven.

On Fri, Nov 27, 2020 at 2:16 PM Joseph M. Durnal 
wrote:

> It has been doing well with the settings I posted.  One of the schools of
> thought is to use the most gain in the final stage, which should be the
> line gain on the K3.
>
> With the KIO3B the levels on the computer, Windows volume & Pwr slider in
> WSJT-X should be known quantities.  I suppose, OS & driver versions could
> also make a difference.  The last thing I want is a poor quality signal on
> the band,
>
> It can be tough when you are operating a temporary portable setup and you
> don't have all your regular stuff or locals you know to get a good signal
> report.  I just wanted to do some casual operating while I stayed with my
> grandmother and prepared for Thanksgiving & FT8 really fit the bill.  Also
> doing a little PSK31 here and there, which is pretty much the same
> settings.
>
> In a few hours, the mode will switch to CW for the rest of the weekend.  I
> hope 20 meters stays as open as it has been!  Running QRP with an end fed
> half wave at rooftop height, so, less than ideal, but looking forward to
> getting on the air.
>
> 73 de Joe NE3R
>
> On Thu, Nov 26, 2020 at 3:20 PM Bill Frantz  wrote:
>
> > Remember also, if the output level from the computer is too
> > high, then it may not be possible to get the 4 bars steady, 5th
> > flashing by adjusting the radio line in gain. This is because a
> > change of one in the line in on the radio gives you either 4
> > bars steady or 5 bars steady. Cutting down the levels from the
> > computer will let you use more gain in the radio, getting to a
> > place where the step size of the digital gain is smaller, giving
> > finer control.
> >
> > 73 Bill AE6JV
> >
> > On 11/26/20 at 2:52 PM, j...@audiosystemsgroup.com (Jim Brown) wrote:
> >
> > >On 11/26/2020 1:43 AM, LDE wrote:
> > >>Line In Gain = 40 seems too high to me.
> > >
> > >Numerical values are pretty much meaningless. The values cited
> > >simply indicate that levels coming out of the computer are
> > >fairly low, so more gain is needed in the Elecraft input stage.
> > >
> > >73, Jim K9YC
> >
> > -
> > Bill Frantz| When it comes to the world | Periwinkle
> > (408)348-7900  | around us, is there any choice | 150
> > Rivermead Rd #235
> > www.pwpconsult.com | but to explore? - Lisa Randall |
> > Peterborough, NH 03458
> >
> > __
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-- 
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j...@rhodesend.net
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Re: [Elecraft] K3 FT8 Levels Sanity Check

[Joseph M. Durnal]

It has been doing well with the settings I posted.  One of the schools of
thought is to use the most gain in the final stage, which should be the
line gain on the K3.

With the KIO3B the levels on the computer, Windows volume & Pwr slider in
WSJT-X should be known quantities.  I suppose, OS & driver versions could
also make a difference.  The last thing I want is a poor quality signal on
the band,

It can be tough when you are operating a temporary portable setup and you
don't have all your regular stuff or locals you know to get a good signal
report.  I just wanted to do some casual operating while I stayed with my
grandmother and prepared for Thanksgiving & FT8 really fit the bill.  Also
doing a little PSK31 here and there, which is pretty much the same
settings.

In a few hours, the mode will switch to CW for the rest of the weekend.  I
hope 20 meters stays as open as it has been!  Running QRP with an end fed
half wave at rooftop height, so, less than ideal, but looking forward to
getting on the air.

73 de Joe NE3R

On Thu, Nov 26, 2020 at 3:20 PM Bill Frantz  wrote:

> Remember also, if the output level from the computer is too
> high, then it may not be possible to get the 4 bars steady, 5th
> flashing by adjusting the radio line in gain. This is because a
> change of one in the line in on the radio gives you either 4
> bars steady or 5 bars steady. Cutting down the levels from the
> computer will let you use more gain in the radio, getting to a
> place where the step size of the digital gain is smaller, giving
> finer control.
>
> 73 Bill AE6JV
>
> On 11/26/20 at 2:52 PM, j...@audiosystemsgroup.com (Jim Brown) wrote:
>
> >On 11/26/2020 1:43 AM, LDE wrote:
> >>Line In Gain = 40 seems too high to me.
> >
> >Numerical values are pretty much meaningless. The values cited
> >simply indicate that levels coming out of the computer are
> >fairly low, so more gain is needed in the Elecraft input stage.
> >
> >73, Jim K9YC
>
> -
> Bill Frantz| When it comes to the world | Periwinkle
> (408)348-7900  | around us, is there any choice | 150
> Rivermead Rd #235
> www.pwpconsult.com | but to explore? - Lisa Randall |
> Peterborough, NH 03458
>
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Re: [Elecraft] K3 FT8 Levels Sanity Check

[Bill Frantz]

Remember also, if the output level from the computer is too 
high, then it may not be possible to get the 4 bars steady, 5th 
flashing by adjusting the radio line in gain. This is because a 
change of one in the line in on the radio gives you either 4 
bars steady or 5 bars steady. Cutting down the levels from the 
computer will let you use more gain in the radio, getting to a 
place where the step size of the digital gain is smaller, giving 
finer control.


73 Bill AE6JV

On 11/26/20 at 2:52 PM, j...@audiosystemsgroup.com (Jim Brown) wrote:


On 11/26/2020 1:43 AM, LDE wrote:

Line In Gain = 40 seems too high to me.


Numerical values are pretty much meaningless. The values cited 
simply indicate that levels coming out of the computer are 
fairly low, so more gain is needed in the Elecraft input stage.


73, Jim K9YC


-
Bill Frantz| When it comes to the world | Periwinkle
(408)348-7900  | around us, is there any choice | 150 
Rivermead Rd #235
www.pwpconsult.com | but to explore? - Lisa Randall | 
Peterborough, NH 03458


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Re: [Elecraft] K3 FT8 Levels Sanity Check

[Jim Brown]

On 11/26/2020 1:43 AM, LDE wrote:

Line In Gain = 40 seems too high to me.


Numerical values are pretty much meaningless. The values cited simply 
indicate that levels coming out of the computer are fairly low, so more 
gain is needed in the Elecraft input stage.


73, Jim K9YC


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Re: [Elecraft] K3 FT8 Help

[Rich]

Thanks all.   As always the fine folks on this list came through again!

Up and running now.

Rich

On 11/12/2019 23:38 PM, Don Wilhelm wrote:

Rich,

Online "answers" that are not K3 specific are often incorrect.
You must drive the audio so that you have 4 bars shown on the ALC 
mater with the 5th bar flashing.  That is the NO ALC point for the 
K3/K3S/KX3/KX2.


Once you have achieved that condition, leave the audio level fixed and 
adjust the desired power level with the power knob.


There is an article dealing with this subject on my website 
www.w3fpr.com.


73,
Don W3FPR

On 11/12/2019 6:47 PM, Rich wrote:
I am at a loss on this one.   I have reviewed several online writeups 
on the matter but I am still stuck.


I am making these assumptions,  the K3s USB port can handle the audio 
in/out, rig control and PTT.


I have the following settings.

Audio IN set to K3 audio in USB codec  -  FT8 decodes fine

Audio OUT set to K3 audio out USB codec - no audio on TX

Rig Ctrl set to COM 10 - rig control is working fine.




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Re: [Elecraft] K3 FT8 Help

[Don Wilhelm]

Rich,

Online "answers" that are not K3 specific are often incorrect.
You must drive the audio so that you have 4 bars shown on the ALC mater 
with the 5th bar flashing.  That is the NO ALC point for the K3/K3S/KX3/KX2.


Once you have achieved that condition, leave the audio level fixed and 
adjust the desired power level with the power knob.


There is an article dealing with this subject on my website www.w3fpr.com.

73,
Don W3FPR

On 11/12/2019 6:47 PM, Rich wrote:
I am at a loss on this one.   I have reviewed several online writeups on 
the matter but I am still stuck.


I am making these assumptions,  the K3s USB port can handle the audio 
in/out, rig control and PTT.


I have the following settings.

Audio IN set to K3 audio in USB codec  -  FT8 decodes fine

Audio OUT set to K3 audio out USB codec - no audio on TX

Rig Ctrl set to COM 10 - rig control is working fine.


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Re: [Elecraft] K3 FT8 Problem VP6D

[James Bennett via Elecraft]

Well, that will make it a tad more difficult to work them! :-)



> On Nov 1, 2018, at 4:19 PM, AB4IQ  wrote:
> 
> Sorry but they have QRT'd.
> 
> Ed.. AB4IQ
> 
> -Original Message-
> From: elecraft-boun...@mailman.qth.net 
> <mailto:elecraft-boun...@mailman.qth.net>
> [mailto:elecraft-boun...@mailman.qth.net 
> <mailto:elecraft-boun...@mailman.qth.net>] On Behalf Of James Bennett via
> Elecraft
> Sent: Thursday, November 1, 2018 6:08 PM
> To: Elecraft Reflector Reflector  <mailto:elecraft@mailman.qth.net>>
> Subject: Re: [Elecraft] K3 FT8 Problem VP6D
> 
> Clark - listen for them on 17 meter CW. I tried and tried on 20 and 40 CW
> one evening last week with no success. On a whim I went up to 17 meters at
> about 7:00pm local time and there was VP6D calling CQ with very few takers.
> And the folks he did pick off I was not able to hear. With my K3/100 into a
> wire antenna, I got him on the fourth try. This past Tuesday morning I heard
> them again on 17 meters calling CQ - few responders. Give them a try on a
> band with no huge pileups - you may be surprised!
> 
> 73, Jim / W6JHB
> 
> 
> 
>> On Nov 1, 2018, at 2:56 PM, engineercm  wrote:
>> 
>> This is to close out this thread.
>> 
>> Thanks to all who responded with suggestions all of which I had tried 
>> including setting up the software exactly as defined on the VP6D 
>> website and I never heard VP6D so I never called as they had 
>> requested.  When I heard a local ham get get them on one call, and I 
>> could hear nothing, I attributed it to his GinNormAs antenna.
>> 
>> I couldn't spend as much time as others in the seat listening but did 
>> try to operate when DXA said they were  QRV.  Nothing heard here.
>> 
>> Not to be dismayed, I will continue to experiment with the mode as I 
>> find it interesting. CW is my passion, though.
>> 
>> Thanks again to all,
>> 
>> Clark, WU4B
>> 
>> 
>> 
>> --
>> Sent from: http://elecraft.365791.n2.nabble.com/
>> __
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Re: [Elecraft] K3 FT8 Problem VP6D

[Jim Brown]

On 11/1/2018 4:07 PM, James Bennett via Elecraft wrote:

Clark - listen for them on 17 meter CW.


They went QRT yesterday to beat some heavy WX that was coming in. 
They're probably all on the boat by now.


73, Jim K9YC

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Re: [Elecraft] K3 FT8 Problem VP6D

[James Bennett via Elecraft]

Clark - listen for them on 17 meter CW. I tried and tried on 20 and 40 CW one 
evening last week with no success. On a whim I went up to 17 meters at about 
7:00pm local time and there was VP6D calling CQ with very few takers. And the 
folks he did pick off I was not able to hear. With my K3/100 into a wire 
antenna, I got him on the fourth try. This past Tuesday morning I heard them 
again on 17 meters calling CQ - few responders. Give them a try on a band with 
no huge pileups - you may be surprised!

73, Jim / W6JHB



> On Nov 1, 2018, at 2:56 PM, engineercm  wrote:
> 
> This is to close out this thread.
> 
> Thanks to all who responded with suggestions all of which I had tried
> including setting up the software exactly as defined on the VP6D website and
> I never heard VP6D so I never called as they had requested.  When I heard a
> local ham get get them on one call, and I could hear nothing, I attributed
> it to his GinNormAs antenna.  
> 
> I couldn't spend as much time as others in the seat listening but did try to
> operate when DXA said they were  QRV.  Nothing heard here.
> 
> Not to be dismayed, I will continue to experiment with the mode as I find it
> interesting. CW is my passion, though.  
> 
> Thanks again to all,
> 
> Clark, WU4B
> 
> 
> 
> --
> Sent from: http://elecraft.365791.n2.nabble.com/
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Re: [Elecraft] K3 FT8 Problem VP6D

[engineercm]

This is to close out this thread.

Thanks to all who responded with suggestions all of which I had tried
including setting up the software exactly as defined on the VP6D website and
I never heard VP6D so I never called as they had requested.  When I heard a
local ham get get them on one call, and I could hear nothing, I attributed
it to his GinNormAs antenna.  

I couldn't spend as much time as others in the seat listening but did try to
operate when DXA said they were  QRV.  Nothing heard here.

Not to be dismayed, I will continue to experiment with the mode as I find it
interesting. CW is my passion, though.  

Thanks again to all,

Clark, WU4B



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Re: [Elecraft] K3 FT8 Problem VP6D

[Jim Brown]

On 10/30/2018 12:30 PM, Andy Yates wrote:
Follow their directions here: 
https://vp6d.com/index.php/dxpedition/ft8-operating-guidelines


The executive summary -- Use WSJT-X version 1.9, NOT 2.0 betas. They are 
working DXpedition mode on all bands EXCEPT 160M. To enter DXpedition 
mode, go to Settings, Advanced, and check the box for Hound. And RTFM.


Then when you are copying them well, call them ABOVE 1,000 Hz. Also, go 
to their website VP6D.com to find their FT8 frequencies.


73, Jim K9YC

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Re: [Elecraft] K3 FT8 Problem VP6D

[Neil Zampella]

Considering that Joe Taylor has specifically said that v2.0-RC3 will 
default to 77 bit messages in DXPedition mode and should not be used for 
any DXPeditions until after the final General Availability release; and 
VP6D on the website's FT8 operating procedure page asks that v1.9.1 be 
used SPECIFICALLY,   I'd just download v1.9.1 and install it into a 
different directory.


You can have both versions on the same computer, they will use the same 
log files, .ini, etc.


Neil, KN3ILZ


On 10/30/2018 11:22 AM, Don Butler wrote:

Same intermittent problem here.   I finally found that the ‘Decode only 77 bit 
messages’ box seems to be checked by default when you go to fox/hound mode in 
WSJT-X V 2.0.0 RC3 … when it is ‘unchecked’ VP6D’s transmissions will suddenly 
be decoded …. BUT that unchecked box cannot be saved … the next time you launch 
and go in fox hound mode the box seems to be checked again by default …. So 
when decoding of VP6D transmissions seems to stop … go to advanced settings and 
uncheck that box and the messages will reappear …  it is obviously a bug that 
needs to be fixed in the software …. And apparently something different that 
VP6D seems to be doing with its transmitted messages ???

Don, N5LZ

Sent from Mail for Windows 10

From: Carl Yaffey
Sent: Tuesday, October 30, 2018 8:27 AM
To: engineercm
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 FT8 Problem VP6D

I worked them. Like you, I heard many “hounds” and no VP6 for quite a while. 
Then suddenly, there they were, responding. I think it’s propagation. Keep 
calling.
73


On Oct 30, 2018, at 10:00 AM, engineercm  wrote:

I'm not able to decode any transmissions from VP6D but can decode
transmissions of those calling VP6D.

I have limited experience with FT8 but have been successful before.  Current
version: 1.9.1.  Getting red/yellow blobs (love that term) where hounds are
calling.  Have read/re-read Don's job aid, Cady's book, and the several
WSJT-X resources.  Hound mode is checked. Green bar between 30-38.  Rx All
Freqs checked.

So, is it simply propagation between my QTH (Atlanta) and VP6D?  Is it my
modest antenna?  Or is there a setting somewhere that I've missed?
Listening and looking at the on 17m at the time of this message.  Many are
calling but I have yet to see a message confirming a QSO.

Any suggestions greatly appreciated!


Carl Yaffey  K8NU
Recording studio.
cyaffeyno_s...@gmail.com
614 268 6353, Columbus OH
http://www.carl-yaffey.com
http://www.grassahol.com
http://www.bluesswing.com

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Re: [Elecraft] K3 FT8 Problem VP6D

[Neil Zampella]

FWIW ... K1JT in the FT8 DXPedition mode user guide specifically says, 
if you can't hear the DXPedition station, don't call them.


Item #7 for hounds says:
"Please do not call Fox if you are not receiving his transmissions. Do 
not call Fox if he issues a directed CQ (“CQ EU”, “CQ 7”, …) and your 
continent or numerical call area does not match the requested one. 
Calling out of turn only creates QRM, and will certainly not get you a QSO."


The FOX should always transmit between 300 & 600 hz. if they're 
following the User Guide properly.   Watching VP6D in action, they are 
doing exactly that.  I would also visit this webpage:  
http://www.dxa3.org/vp6d/  which will list the frequencies they're using.


Neil, KN3ILZ


On 10/30/2018 10:25 AM, Carl Yaffey wrote:

I worked them. Like you, I heard many “hounds” and no VP6 for quite a while. 
Then suddenly, there they were, responding. I think it’s propagation. Keep 
calling.
73


On Oct 30, 2018, at 10:00 AM, engineercm  wrote:

I'm not able to decode any transmissions from VP6D but can decode
transmissions of those calling VP6D.

I have limited experience with FT8 but have been successful before.  Current
version: 1.9.1.  Getting red/yellow blobs (love that term) where hounds are
calling.  Have read/re-read Don's job aid, Cady's book, and the several
WSJT-X resources.  Hound mode is checked. Green bar between 30-38.  Rx All
Freqs checked.

So, is it simply propagation between my QTH (Atlanta) and VP6D?  Is it my
modest antenna?  Or is there a setting somewhere that I've missed?
Listening and looking at the on 17m at the time of this message.  Many are
calling but I have yet to see a message confirming a QSO.

Any suggestions greatly appreciated!


Carl Yaffey  K8NU
Recording studio.
cyaffeyno_s...@gmail.com
614 268 6353, Columbus OH
http://www.carl-yaffey.com
http://www.grassahol.com
http://www.bluesswing.com





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Re: [Elecraft] K3 FT8 Problem VP6D

[Fred Jensen]

If you're talking about yesterday [Mon], they were completely off the 
air for a couple of hours midday here on the western frontier.


73,

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

On 10/30/2018 7:25 AM, Carl Yaffey wrote:

I worked them. Like you, I heard many “hounds” and no VP6 for quite a while. 
Then suddenly, there they were, responding. I think it’s propagation. Keep 
calling.
73



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Re: [Elecraft] K3 FT8 Problem VP6D

[Andy Yates]

Follow their directions here: 
https://vp6d.com/index.php/dxpedition/ft8-operating-guidelines


Andy - W4KIL

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Re: [Elecraft] K3 FT8 Problem VP6D

[KD7PY]

download and try WSJT-X 2.0 rc3  that is the latest   I thought there is a
difference between 1.9 & 2.0 
Ed   KD7PY



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Re: [Elecraft] K3 FT8 Problem VP6D

[Bob McGraw K4TAX]

Depends on which version of WSJT-X being used.    For V1.9.1 the 77 bit 
message does not apply.    For V2.0.0 RC3 it does apply.


73

Bob, K4TAX


On 10/30/2018 10:22 AM, Don Butler wrote:

Same intermittent problem here.   I finally found that the ‘Decode only 77 bit 
messages’ box seems to be checked by default when you go to fox/hound mode in 
WSJT-X V 2.0.0 RC3 … when it is ‘unchecked’ VP6D’s transmissions will suddenly 
be decoded …. BUT that unchecked box cannot be saved … the next time you launch 
and go in fox hound mode the box seems to be checked again by default …. So 
when decoding of VP6D transmissions seems to stop … go to advanced settings and 
uncheck that box and the messages will reappear …  it is obviously a bug that 
needs to be fixed in the software …. And apparently something different that 
VP6D seems to be doing with its transmitted messages ???

Don, N5LZ

Sent from Mail for Windows 10

From: Carl Yaffey
Sent: Tuesday, October 30, 2018 8:27 AM
To: engineercm
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 FT8 Problem VP6D

I worked them. Like you, I heard many “hounds” and no VP6 for quite a while. 
Then suddenly, there they were, responding. I think it’s propagation. Keep 
calling.
73


On Oct 30, 2018, at 10:00 AM, engineercm  wrote:

I'm not able to decode any transmissions from VP6D but can decode
transmissions of those calling VP6D.

I have limited experience with FT8 but have been successful before.  Current
version: 1.9.1.  Getting red/yellow blobs (love that term) where hounds are
calling.  Have read/re-read Don's job aid, Cady's book, and the several
WSJT-X resources.  Hound mode is checked. Green bar between 30-38.  Rx All
Freqs checked.

So, is it simply propagation between my QTH (Atlanta) and VP6D?  Is it my
modest antenna?  Or is there a setting somewhere that I've missed?
Listening and looking at the on 17m at the time of this message.  Many are
calling but I have yet to see a message confirming a QSO.

Any suggestions greatly appreciated!


Carl Yaffey  K8NU
Recording studio.
cyaffeyno_s...@gmail.com
614 268 6353, Columbus OH
http://www.carl-yaffey.com
http://www.grassahol.com
http://www.bluesswing.com

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Re: [Elecraft] K3 FT8 Problem VP6D

[Don Butler]

Same intermittent problem here.   I finally found that the ‘Decode only 77 bit 
messages’ box seems to be checked by default when you go to fox/hound mode in 
WSJT-X V 2.0.0 RC3 … when it is ‘unchecked’ VP6D’s transmissions will suddenly 
be decoded …. BUT that unchecked box cannot be saved … the next time you launch 
and go in fox hound mode the box seems to be checked again by default …. So 
when decoding of VP6D transmissions seems to stop … go to advanced settings and 
uncheck that box and the messages will reappear …  it is obviously a bug that 
needs to be fixed in the software …. And apparently something different that 
VP6D seems to be doing with its transmitted messages ???

Don, N5LZ

Sent from Mail for Windows 10

From: Carl Yaffey
Sent: Tuesday, October 30, 2018 8:27 AM
To: engineercm
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 FT8 Problem VP6D

I worked them. Like you, I heard many “hounds” and no VP6 for quite a while. 
Then suddenly, there they were, responding. I think it’s propagation. Keep 
calling.
73

> On Oct 30, 2018, at 10:00 AM, engineercm  wrote:
> 
> I'm not able to decode any transmissions from VP6D but can decode
> transmissions of those calling VP6D.
> 
> I have limited experience with FT8 but have been successful before.  Current
> version: 1.9.1.  Getting red/yellow blobs (love that term) where hounds are
> calling.  Have read/re-read Don's job aid, Cady's book, and the several
> WSJT-X resources.  Hound mode is checked. Green bar between 30-38.  Rx All
> Freqs checked.
> 
> So, is it simply propagation between my QTH (Atlanta) and VP6D?  Is it my
> modest antenna?  Or is there a setting somewhere that I've missed? 
> Listening and looking at the on 17m at the time of this message.  Many are
> calling but I have yet to see a message confirming a QSO.  
> 
> Any suggestions greatly appreciated!
> 

Carl Yaffey  K8NU
Recording studio.
cyaffeyno_s...@gmail.com 
614 268 6353, Columbus OH
http://www.carl-yaffey.com
http://www.grassahol.com
http://www.bluesswing.com

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Re: [Elecraft] K3 FT8 Problem VP6D

[Carl Yaffey]

I worked them. Like you, I heard many “hounds” and no VP6 for quite a while. 
Then suddenly, there they were, responding. I think it’s propagation. Keep 
calling.
73

> On Oct 30, 2018, at 10:00 AM, engineercm  wrote:
> 
> I'm not able to decode any transmissions from VP6D but can decode
> transmissions of those calling VP6D.
> 
> I have limited experience with FT8 but have been successful before.  Current
> version: 1.9.1.  Getting red/yellow blobs (love that term) where hounds are
> calling.  Have read/re-read Don's job aid, Cady's book, and the several
> WSJT-X resources.  Hound mode is checked. Green bar between 30-38.  Rx All
> Freqs checked.
> 
> So, is it simply propagation between my QTH (Atlanta) and VP6D?  Is it my
> modest antenna?  Or is there a setting somewhere that I've missed? 
> Listening and looking at the on 17m at the time of this message.  Many are
> calling but I have yet to see a message confirming a QSO.  
> 
> Any suggestions greatly appreciated!
> 

Carl Yaffey  K8NU
Recording studio.
cyaffeyno_s...@gmail.com 
614 268 6353, Columbus OH
http://www.carl-yaffey.com
http://www.grassahol.com
http://www.bluesswing.com

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Re: [Elecraft] K3 - FT8 - low power issues when TX audio below 900hz

[Keith Onishi]

If your WSJT-X is enabled to CAT control your K3, WSJT-X change VFO frequency 
on transmit so that FT8 AF frequency into K3 is center of TX filter.

However, before WSJT-X has this feature, I did not have any issue on 
transmitting < 900Hz AF.
Are you using DATA-A mode on K3 for digi-mode? If you use SSB mode on K3 for 
digi-mode and TX EQ has been set to reduce <900Hz audio level, this could be 
the cause.

73 de JH3SIF, Keith

> 2018/07/19 4:11、LA8AW のメール:
> 
> Hi,
> 
> On all HF bands I have very low power output when I TX with a audio
> frequency below  900hz. Between 900 - 2300hz all is normal.  On 50Mhz,
> power the output start dropping when I come below 500Hz. (FL1 2.7 selected
> on all bands)
> 
> Using Microham MicroKeyer II; Audio switching is set to Digital settings,
> using line in (rear). Tested with 2 different MicroKeyer II same result.
> 
> FT8 is soundcard configured Input: Line (microham CODEC), Output: Headset
> Earphone (microHAM CODEC).
> 
> This was causing problems for me when I tried to work stations running DX
> Mode (KH1).
> 
> K3 with the "new" synth card, all mods done.
> Filters installed: 2.7, 1.8, 1.0, 0.4, 0.25
> DATA enabled for all filters
> 
> Any hints on where to look next?
> 
> 
> 73 de LA8AW - Odd-Egil
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Re: [Elecraft] K3 - FT8 - low power issues when TX audio below 900hz

[Bob McGraw K4TAX]

Is the WSJT-X application setting in the F2 menu under Radio set for 
MODE = Data/Pkt and that the Split Operation set to RIG? This keeps the 
transmit tones correct within the passband of the SSB filter.  Here in 
this application SPLIT is not the same principle as split when working 
DX.  SPLIT using the RIG setting will adjust the VFO frequency such that 
the transmitted tone is always between 1500 and 2000 Hz.


/"Split Operation/: Significant advantages result from using*Split*mode 
(separate VFOs for Rx and Tx) if your radio supports it. If it does 
not,/WSJT-X/can emulate such behavior. Either method will result in a 
cleaner transmitted signal, by keeping the Tx audio always in the range 
1500 to 2000 Hz so that audio harmonics cannot pass through the Tx 
sideband filter. Select*Rig*to use the radio’s Split mode, or*Fake It*to 
have/WSJT-X/adjust the VFO frequency as needed, when T/R switching 
occurs. Choose*None*if you do not wish to use split operation"



73
Bob, K4TAX




On 7/18/2018 2:11 PM, LA8AW wrote:

Hi,

On all HF bands I have very low power output when I TX with a audio
frequency below  900hz. Between 900 - 2300hz all is normal.  On 50Mhz,
power the output start dropping when I come below 500Hz. (FL1 2.7 selected
on all bands)

Using Microham MicroKeyer II; Audio switching is set to Digital settings,
using line in (rear). Tested with 2 different MicroKeyer II same result.

FT8 is soundcard configured Input: Line (microham CODEC), Output: Headset
Earphone (microHAM CODEC).

This was causing problems for me when I tried to work stations running DX
Mode (KH1).

K3 with the "new" synth card, all mods done.
Filters installed: 2.7, 1.8, 1.0, 0.4, 0.25
DATA enabled for all filters

Any hints on where to look next?


73 de LA8AW - Odd-Egil
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Re: [Elecraft] K3 FT8 WSJT-X Setup

[William Liporace]

Thanks to Dave N4DB for the tip!! It was just the MIC gain level. I can 
now TX. So hopefully I am on my way!!

TNX Will WC2L


On 5/24/2018 6:38 AM, William Liporace wrote:

Good Morning,
I have been looking and without success been able to get the K3 to TX 
on FT8. I do have the Enhanced I/O board installed, so single USB 
connection to the radio. I have it decoding very well. I have tried 
USB and DATA A. Can someone point me in the right direction??


PC is Windows 10. WXJT-X c 1.90 RC4.

TNX Will WC2L



--
William Liporace WC2L
http://www.wc2l.com or http://dxc.wc2l.com
AR-Cluster Node  telnet dxc.wc2l.com or 144.93 MHz
w...@wc2l.com

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Re: [Elecraft] K3 FT8 WSJT-X Setup

[Don Wilhelm]

Will,

Does the K3 go into transmit?  If so, set the audio levels correctly. 
You must achieve 4 bars solid on the ALC meter with the 5th bar 
flashing.  There are guidelines for doing that on my website www.w3fpr.com.

Scroll to the bottom article in the left column and click on the link.

73,
Don W3FPR

On 5/24/2018 6:38 AM, William Liporace wrote:

Good Morning,
I have been looking and without success been able to get the K3 to TX on 
FT8. I do have the Enhanced I/O board installed, so single USB 
connection to the radio. I have it decoding very well. I have tried USB 
and DATA A. Can someone point me in the right direction??


PC is Windows 10. WXJT-X c 1.90 RC4.

TNX Will WC2L


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Re: [Elecraft] K3 - FT8

[Tony Estep]

On Mon, May 14, 2018 at 8:01 AM, Alan Ibbetson  wrote:

> ...I now see that this is a well known and widespread problemdiscussed
> for example here
>
> https://en.wikipedia.org/wiki/Dither
>
> ...On 14/05/2018 12:52, Gordon LaPoint wrote:
>
>> The problem was discussed in this thread  last year.
>> http://elecraft.365791.n2.nabble.com/K3-Odd-ALC-behavior-
>> td7633052i20.html
>>
>> Gordon - N1MGO
>>
> =
This has been very interesting and informative. Apparently once this
strange glitch is understood, one can easily work around it. Thanks to Alan
and Gordon for bringing this up and elucidating it.

73,
Tony KT0NY
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Re: [Elecraft] K3 - FT8

[Alan Ibbetson]

Thanks for this, Gordon. I failed to search properly and missed that 
previous thread. Elecraft ought to at least acknowledge and document the 
issue even if they don't fix it. I did some googling and I now see that 
this is a well known and widespread problem. It seems to have a well 
known set of solutions, discussed for example here


https://en.wikipedia.org/wiki/Dither

So it does seem fixable in principle but it will involve engineering and 
business trade-offs which only Elecraft themselves can address.


73, Alan G3XAQ

On 14/05/2018 12:52, Gordon LaPoint wrote:

The problem was discussed in this thread  last year.
http://elecraft.365791.n2.nabble.com/K3-Odd-ALC-behavior-td7633052i20.html

Gordon - N1MGO
On 05/14/2018 03:05 AM, Alan Ibbetson wrote:

Don,

I'm puzzled you when you say

"If it were a K3 problem, that aliasing would also be happening with
other  data modes as well. Other soundcard data modes do not have a
problem with a TUNE at 1000 Hz"

I can reproduce this problem with my K3 with MMVARI on other data
modes. I have tried it with another PC and sound card and again I can
still see the problem. So I suspect that feeding a pure sine wave from
any source into LINE IN can cause ALC bargraph artefacts at certain
specific audio frequencies.

This is not FT8 specific, nor is it audio harmonics or IMD. It is
simply an unfortunate choice of audio tone frequency interacting with
the K3 internals. Or at least that is my best guess from the evidence
I see here. The only constant throughout these tests is my K3. If it
is faulty then OK, no big deal.

I hoped by reporting this effect on this mailing list I might help the
others who have also commented about it. If there is a consensus that
it's specific to my setup then OK. I can reliably avoid my problem by
changing the audio tone frequency just a few Hz so I will just do that
and get on with my life.

73, Alan G3XAQ

On 13/05/2018 23:20, Don Wilhelm wrote:

Alan,

That is getting into issues associated with WSJT-X and FT8.
My website article is written to apply to all soundcard data modes and
not FT8 specifically.  There was no intention for addressing all the
various data modes that could be used.  All of them require the right
amount of audio drive.

You should look to the FT8 forums for questions about that aliasing.  If
it were a K3 problem, that aliasing would also be happening with other
data modes as well.
Other soundcard data modes do not have a problem with a TUNE at 1000 Hz,
so why is FT8 any different?

Of course, if your soundcard is generating harmonics or significant IMD
before it reaches the K3, there is not much one can do other than
getting a different soundcard.

I don't know about the "moving 10kHz" thing, but I have heard reports of
similar symptoms.


73,
Don W3FPR

On 5/13/2018 4:22 PM, G3XAQ wrote:

Don,

I suggest you need to draw attention in your web page and general
advice on
here to the requirement to choose the AUDIO FREQUENCY with some care
when
setting up ALC for FT8 via the TUNE button in WSJT-X.

The problem seems to be that the DSP sampling rate inside the K3
must not be
related to the TUNE frequency. Ideally I expect they should be
co-prime, or
something like that, to avoid aliasing artifacts in the ALC bargraph
readout. The actual frequency you should choose is probably affected
by PC
and K3 clock frequency accuracy becasue a change of just a few Hertz
can
have a dramatic effect.

In my case, the default WSJT-X tune frequency of 1000Hz is about as
bad as
you can get. My ALC bargraph oscillates with a beat frequency of not
much
more than 1Hz. And the ALC goes from zero to 6 bars! What is really
confusing is that WSJT-X leaves the tune frequency at whatever it
was when
you last transmitted, so if you tune around, click on some signals,
have a
listen and then try using TUNE the audio frequency could be anywhere
unless
you take specific action.









--

Alan Ibbetson
a...@g3xaq.net
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Re: [Elecraft] K3 - FT8

[Gordon LaPoint]

The problem was discussed in this thread  last year.
http://elecraft.365791.n2.nabble.com/K3-Odd-ALC-behavior-td7633052i20.html

Gordon - N1MGO
On 05/14/2018 03:05 AM, Alan Ibbetson wrote:

Don,

I'm puzzled you when you say

"If it were a K3 problem, that aliasing would also be happening with 
other  data modes as well. Other soundcard data modes do not have a 
problem with a TUNE at 1000 Hz"


I can reproduce this problem with my K3 with MMVARI on other data 
modes. I have tried it with another PC and sound card and again I can 
still see the problem. So I suspect that feeding a pure sine wave from 
any source into LINE IN can cause ALC bargraph artefacts at certain 
specific audio frequencies.


This is not FT8 specific, nor is it audio harmonics or IMD. It is 
simply an unfortunate choice of audio tone frequency interacting with 
the K3 internals. Or at least that is my best guess from the evidence 
I see here. The only constant throughout these tests is my K3. If it 
is faulty then OK, no big deal.


I hoped by reporting this effect on this mailing list I might help the 
others who have also commented about it. If there is a consensus that 
it's specific to my setup then OK. I can reliably avoid my problem by 
changing the audio tone frequency just a few Hz so I will just do that 
and get on with my life.


73, Alan G3XAQ

On 13/05/2018 23:20, Don Wilhelm wrote:

Alan,

That is getting into issues associated with WSJT-X and FT8.
My website article is written to apply to all soundcard data modes and
not FT8 specifically.  There was no intention for addressing all the
various data modes that could be used.  All of them require the right
amount of audio drive.

You should look to the FT8 forums for questions about that aliasing.  If
it were a K3 problem, that aliasing would also be happening with other
data modes as well.
Other soundcard data modes do not have a problem with a TUNE at 1000 Hz,
so why is FT8 any different?

Of course, if your soundcard is generating harmonics or significant IMD
before it reaches the K3, there is not much one can do other than
getting a different soundcard.

I don't know about the "moving 10kHz" thing, but I have heard reports of
similar symptoms.


73,
Don W3FPR

On 5/13/2018 4:22 PM, G3XAQ wrote:

Don,

I suggest you need to draw attention in your web page and general 
advice on
here to the requirement to choose the AUDIO FREQUENCY with some care 
when

setting up ALC for FT8 via the TUNE button in WSJT-X.

The problem seems to be that the DSP sampling rate inside the K3 
must not be
related to the TUNE frequency. Ideally I expect they should be 
co-prime, or

something like that, to avoid aliasing artifacts in the ALC bargraph
readout. The actual frequency you should choose is probably affected 
by PC
and K3 clock frequency accuracy becasue a change of just a few Hertz 
can

have a dramatic effect.

In my case, the default WSJT-X tune frequency of 1000Hz is about as 
bad as
you can get. My ALC bargraph oscillates with a beat frequency of not 
much

more than 1Hz. And the ALC goes from zero to 6 bars! What is really
confusing is that WSJT-X leaves the tune frequency at whatever it 
was when
you last transmitted, so if you tune around, click on some signals, 
have a
listen and then try using TUNE the audio frequency could be anywhere 
unless

you take specific action.







--
Gordon - N1MGO

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Re: [Elecraft] K3 - FT8

[Gordon LaPoint]

This problem has been reported in the past, and is known to be a K3 
problem.   Just choose a slightly different  audio frequency

for the tune up.
    It does show up with other sound card modes.
As far as I know ALL K3's have this "problem".
My K3 (sn 5540 or so, not at home and don't remember exactly) has had 
this problem since day one, and still does even with ALL upgrades 
installed, including the new synthesizer upgrade (KSYN3AUPG).


Gordon - N1MGO

On 05/14/2018 03:05 AM, Alan Ibbetson wrote:

Don,

I'm puzzled you when you say

"If it were a K3 problem, that aliasing would also be happening with 
other  data modes as well. Other soundcard data modes do not have a 
problem with a TUNE at 1000 Hz"


I can reproduce this problem with my K3 with MMVARI on other data 
modes. I have tried it with another PC and sound card and again I can 
still see the problem. So I suspect that feeding a pure sine wave from 
any source into LINE IN can cause ALC bargraph artefacts at certain 
specific audio frequencies.


This is not FT8 specific, nor is it audio harmonics or IMD. It is 
simply an unfortunate choice of audio tone frequency interacting with 
the K3 internals. Or at least that is my best guess from the evidence 
I see here. The only constant throughout these tests is my K3. If it 
is faulty then OK, no big deal.


I hoped by reporting this effect on this mailing list I might help the 
others who have also commented about it. If there is a consensus that 
it's specific to my setup then OK. I can reliably avoid my problem by 
changing the audio tone frequency just a few Hz so I will just do that 
and get on with my life.


73, Alan G3XAQ



--
Gordon - N1MGO

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Re: [Elecraft] K3 - FT8

[Don Wilhelm]

Alan,

How high is the input level to the K3 Line IN?  I am wondering if you 
are driving the transformers in the audio in slightly into saturation.


Try lowering the soundcard output and increasing the LINE gain.

73,
Don W3FPR

On 5/14/2018 3:05 AM, Alan Ibbetson wrote:

Don,

I'm puzzled you when you say

"If it were a K3 problem, that aliasing would also be happening with 
other  data modes as well. Other soundcard data modes do not have a 
problem with a TUNE at 1000 Hz"


I can reproduce this problem with my K3 with MMVARI on other data modes. 
I have tried it with another PC and sound card and again I can still see 
the problem. So I suspect that feeding a pure sine wave from any source 
into LINE IN can cause ALC bargraph artefacts at certain specific audio 
frequencies.


This is not FT8 specific, nor is it audio harmonics or IMD. It is simply 
an unfortunate choice of audio tone frequency interacting with the K3 
internals. Or at least that is my best guess from the evidence I see 
here. The only constant throughout these tests is my K3. If it is faulty 
then OK, no big deal.



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Re: [Elecraft] K3 - FT8

[Alan Ibbetson]

Don,

I'm puzzled you when you say

"If it were a K3 problem, that aliasing would also be happening with 
other  data modes as well. Other soundcard data modes do not have a 
problem with a TUNE at 1000 Hz"


I can reproduce this problem with my K3 with MMVARI on other data modes. 
I have tried it with another PC and sound card and again I can still see 
the problem. So I suspect that feeding a pure sine wave from any source 
into LINE IN can cause ALC bargraph artefacts at certain specific audio 
frequencies.


This is not FT8 specific, nor is it audio harmonics or IMD. It is simply 
an unfortunate choice of audio tone frequency interacting with the K3 
internals. Or at least that is my best guess from the evidence I see 
here. The only constant throughout these tests is my K3. If it is faulty 
then OK, no big deal.


I hoped by reporting this effect on this mailing list I might help the 
others who have also commented about it. If there is a consensus that 
it's specific to my setup then OK. I can reliably avoid my problem by 
changing the audio tone frequency just a few Hz so I will just do that 
and get on with my life.


73, Alan G3XAQ

On 13/05/2018 23:20, Don Wilhelm wrote:

Alan,

That is getting into issues associated with WSJT-X and FT8.
My website article is written to apply to all soundcard data modes and
not FT8 specifically.  There was no intention for addressing all the
various data modes that could be used.  All of them require the right
amount of audio drive.

You should look to the FT8 forums for questions about that aliasing.  If
it were a K3 problem, that aliasing would also be happening with other
data modes as well.
Other soundcard data modes do not have a problem with a TUNE at 1000 Hz,
so why is FT8 any different?

Of course, if your soundcard is generating harmonics or significant IMD
before it reaches the K3, there is not much one can do other than
getting a different soundcard.

I don't know about the "moving 10kHz" thing, but I have heard reports of
similar symptoms.


73,
Don W3FPR

On 5/13/2018 4:22 PM, G3XAQ wrote:

Don,

I suggest you need to draw attention in your web page and general advice on
here to the requirement to choose the AUDIO FREQUENCY with some care when
setting up ALC for FT8 via the TUNE button in WSJT-X.

The problem seems to be that the DSP sampling rate inside the K3 must not be
related to the TUNE frequency. Ideally I expect they should be co-prime, or
something like that, to avoid aliasing artifacts in the ALC bargraph
readout. The actual frequency you should choose is probably affected by PC
and K3 clock frequency accuracy becasue a change of just a few Hertz can
have a dramatic effect.

In my case, the default WSJT-X tune frequency of 1000Hz is about as bad as
you can get. My ALC bargraph oscillates with a beat frequency of not much
more than 1Hz. And the ALC goes from zero to 6 bars! What is really
confusing is that WSJT-X leaves the tune frequency at whatever it was when
you last transmitted, so if you tune around, click on some signals, have a
listen and then try using TUNE the audio frequency could be anywhere unless
you take specific action.





--

Alan Ibbetson
a...@g3xaq.net
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Re: [Elecraft] K3 - FT8

[ANDY DURBIN]

I should have said that this explanation is only valid with WSJT-X split mode 
is not in use.   When split mode is used the situation is either simpler or 
more complex depending on your perspective.


In WSJT-X split mode the audio frequency is constrained to the range 1500-2000 
Hz.   If the TX cursor is outside the range 1500-2000 on Widegraph then the TX 
VFO frequency is incremented or decremented in 500 Hz steps such that audio 
frequency remains in the range 1500-2000 Hz.


A picture is worth a thousand words and a picture can be found on  page 35 of 
this presentation:


http://www.w7tbc.org/downloads.php?do=file=387



73,

Andy k3wyc


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Re: [Elecraft] K3 - FT8

[Don Wilhelm]

Alan,

That is getting into issues associated with WSJT-X and FT8.
My website article is written to apply to all soundcard data modes and 
not FT8 specifically.  There was no intention for addressing all the 
various data modes that could be used.  All of them require the right 
amount of audio drive.


You should look to the FT8 forums for questions about that aliasing.  If 
it were a K3 problem, that aliasing would also be happening with other 
data modes as well.
Other soundcard data modes do not have a problem with a TUNE at 1000 Hz, 
so why is FT8 any different?


Of course, if your soundcard is generating harmonics or significant IMD 
before it reaches the K3, there is not much one can do other than 
getting a different soundcard.


I don't know about the "moving 10kHz" thing, but I have heard reports of 
similar symptoms.



73,
Don W3FPR

On 5/13/2018 4:22 PM, G3XAQ wrote:

Don,

I suggest you need to draw attention in your web page and general advice on
here to the requirement to choose the AUDIO FREQUENCY with some care when
setting up ALC for FT8 via the TUNE button in WSJT-X.

The problem seems to be that the DSP sampling rate inside the K3 must not be
related to the TUNE frequency. Ideally I expect they should be co-prime, or
something like that, to avoid aliasing artifacts in the ALC bargraph
readout. The actual frequency you should choose is probably affected by PC
and K3 clock frequency accuracy becasue a change of just a few Hertz can
have a dramatic effect.

In my case, the default WSJT-X tune frequency of 1000Hz is about as bad as
you can get. My ALC bargraph oscillates with a beat frequency of not much
more than 1Hz. And the ALC goes from zero to 6 bars! What is really
confusing is that WSJT-X leaves the tune frequency at whatever it was when
you last transmitted, so if you tune around, click on some signals, have a
listen and then try using TUNE the audio frequency could be anywhere unless
you take specific action.


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Re: [Elecraft] K3 - FT8

[G3XAQ]

Don,

I suggest you need to draw attention in your web page and general advice on
here to the requirement to choose the AUDIO FREQUENCY with some care when
setting up ALC for FT8 via the TUNE button in WSJT-X.

The problem seems to be that the DSP sampling rate inside the K3 must not be
related to the TUNE frequency. Ideally I expect they should be co-prime, or
something like that, to avoid aliasing artifacts in the ALC bargraph
readout. The actual frequency you should choose is probably affected by PC
and K3 clock frequency accuracy becasue a change of just a few Hertz can
have a dramatic effect.

In my case, the default WSJT-X tune frequency of 1000Hz is about as bad as
you can get. My ALC bargraph oscillates with a beat frequency of not much
more than 1Hz. And the ALC goes from zero to 6 bars! What is really
confusing is that WSJT-X leaves the tune frequency at whatever it was when
you last transmitted, so if you tune around, click on some signals, have a
listen and then try using TUNE the audio frequency could be anywhere unless
you take specific action.

Now that I see what is happening the solution is simple and obvious. If the
ALC bargraph is unstable then move the TX frequency 10Hz and it should
become sane. Only then can you go through the procedure you describe to set
the PC output level, WSJT-X power level and LINE level for the magical 4
solid plus one flickering bar.

Of course, once you begin making FT8 QSOs and move transmit audio frequency
it is entirely possible you will hit on a "bad" interaction with the K3 DSP
and the ALC bargraph will be all over the place again. As far as I can see
with an external power meter this ALC anomaly does not affect the
transmitted signal, but I've not looked into this in detail.

73, Alan G3XAQ



--
Sent from: http://elecraft.365791.n2.nabble.com/
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Re: [Elecraft] K3 - FT8

[Don Wilhelm]

That is www.w3fpr.com.
Scroll the left column to the lat article and click on the link for the 
how and why of setting the audio level for TX 4 to 5 bars on the ALC meter.


I am much older than the assignment if "WA" callsigns.  Got my 60 year 
ARRL pin.


73,
Don W3FPR

On 5/8/2018 10:11 PM, Nr4c wrote:

Start with the Elecraft K3S manual section on DATA modes with soundcardx.

Don’t worry about the time on the radio, the important clock is the one on the 
computer. TX and RX must start on time with everyone else. Rest the correct 
time just before each session from Windows clock settings or install a net 
clock service.

Once you have the computer and radio setup and talking to one another and you 
audio drive to radio set correctly, and DATA mode should drop right in.

If in doubt, see Don’s website (wa3fpr.com) for more info.

Sent from my iPhone
...nr4c. bill



On May 7, 2018, at 6:40 PM, N2TK, Tony  wrote:

Finally setting up FT8. I downloaded and installed WSJT-X v 1.8.0.

The print out instructions I have says to start with the GENERAL tab. But
there is no GENERAL tab. I have File, Configurations, View, Mode, Decode,
Save, Tools and Help. I also plan on using the Codec in the K3. This K3 has
been upgraded also with USB.

Can someone point me to the correct direction to get my K3 setup?



Also, I understand I need a way to keep better time for my K3. What's the
recommended software to do that?



Tnx for any feedback

73,

N2TK, Tony



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Re: [Elecraft] K3 - FT8

[Nr4c]

Start with the Elecraft K3S manual section on DATA modes with soundcardx. 

Don’t worry about the time on the radio, the important clock is the one on the 
computer. TX and RX must start on time with everyone else. Rest the correct 
time just before each session from Windows clock settings or install a net 
clock service. 

Once you have the computer and radio setup and talking to one another and you 
audio drive to radio set correctly, and DATA mode should drop right in. 

If in doubt, see Don’s website (wa3fpr.com) for more info. 

Sent from my iPhone
...nr4c. bill


> On May 7, 2018, at 6:40 PM, N2TK, Tony  wrote:
> 
> Finally setting up FT8. I downloaded and installed WSJT-X v 1.8.0.
> 
> The print out instructions I have says to start with the GENERAL tab. But
> there is no GENERAL tab. I have File, Configurations, View, Mode, Decode,
> Save, Tools and Help. I also plan on using the Codec in the K3. This K3 has
> been upgraded also with USB.
> 
> Can someone point me to the correct direction to get my K3 setup?
> 
> 
> 
> Also, I understand I need a way to keep better time for my K3. What's the
> recommended software to do that?
> 
> 
> 
> Tnx for any feedback
> 
> 73,
> 
> N2TK, Tony
> 
> 
> 
> __
> Elecraft mailing list
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Re: [Elecraft] K3 - FT8

[N2TK, Tony]

Tnx Fred.

Tony

 

From: Cady, Fred [mailto:fc...@montana.edu] 
Sent: Monday, May 07, 2018 6:54 PM
To: N2TK, Tony <tony@verizon.net>; elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 - FT8

 

File -> Settings and then you will see General.

Cheers,

Fred KE7X

 

 

  _  

From: elecraft-boun...@mailman.qth.net
<mailto:elecraft-boun...@mailman.qth.net>  <elecraft-boun...@mailman.qth.net
<mailto:elecraft-boun...@mailman.qth.net> > on behalf of N2TK, Tony
<tony@verizon.net <mailto:tony@verizon.net> >
Sent: Monday, May 7, 2018 4:40 PM
To: elecraft@mailman.qth.net <mailto:elecraft@mailman.qth.net> 
Subject: [Elecraft] K3 - FT8 

 

Finally setting up FT8. I downloaded and installed WSJT-X v 1.8.0.

The print out instructions I have says to start with the GENERAL tab. But
there is no GENERAL tab. I have File, Configurations, View, Mode, Decode,
Save, Tools and Help. I also plan on using the Codec in the K3. This K3 has
been upgraded also with USB.

Can someone point me to the correct direction to get my K3 setup?

 

Also, I understand I need a way to keep better time for my K3. What's the
recommended software to do that?

 

Tnx for any feedback

73,

N2TK, Tony

 

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Re: [Elecraft] K3 - FT8

[Josh Fiden]

Meinberg NTP for time sync. 

I used to use Dimension 4 but the consensus seems to be Meinberg is better.   
Never had issues with either. 

73,
Josh W6XU

Sent from my mobile device

> On May 7, 2018, at 3:40 PM, N2TK, Tony  wrote:
> 
> Finally setting up FT8. I downloaded and installed WSJT-X v 1.8.0.
> 
> The print out instructions I have says to start with the GENERAL tab. But
> there is no GENERAL tab. I have File, Configurations, View, Mode, Decode,
> Save, Tools and Help. I also plan on using the Codec in the K3. This K3 has
> been upgraded also with USB.
> 
> Can someone point me to the correct direction to get my K3 setup?
> 
> 
> 
> Also, I understand I need a way to keep better time for my K3. What's the
> recommended software to do that?
> 
> 
> 
> Tnx for any feedback
> 
> 73,
> 
> N2TK, Tony
> 
> 
> 
> __
> Elecraft mailing list
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Re: [Elecraft] K3 - FT8

[Cady, Fred]

File -> Settings and then you will see General.

Cheers,

Fred KE7X




From: elecraft-boun...@mailman.qth.net  on 
behalf of N2TK, Tony 
Sent: Monday, May 7, 2018 4:40 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] K3 - FT8

Finally setting up FT8. I downloaded and installed WSJT-X v 1.8.0.

The print out instructions I have says to start with the GENERAL tab. But
there is no GENERAL tab. I have File, Configurations, View, Mode, Decode,
Save, Tools and Help. I also plan on using the Codec in the K3. This K3 has
been upgraded also with USB.

Can someone point me to the correct direction to get my K3 setup?



Also, I understand I need a way to keep better time for my K3. What's the
recommended software to do that?



Tnx for any feedback

73,

N2TK, Tony



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Re: [Elecraft] K3 FT8 timing

[Bob McGraw K4TAX]

Glad you got it resolved.  Yes, yes, yes, running VOX and CAT can be a 
problem.   Choose one...but NEVER both.


73

Bob, K4TAX


On 2/23/2018 4:14 PM, eric norris via Elecraft wrote:

After reading all the posts on this I 1) reduced tx delay from .2 to .1 on the 
ADVANCED tab, and 2) discovered to my surprise that VOX was still on from early 
failures trying to get PTT and CAT to work.  I turned VOX off.
K3 #2545 now has no timing issues with WSJT-X 1.8.0 in FT8 with or without the 
KPA500 on.  The waterfall timing is perfect.
73 WD6DBM Eric

Sent from Yahoo Mail on Android
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