[Elecraft] K3S and WSJT-X

James Bennett w6jhb at me.com
Mon Jan 25 21:37:15 EST 2016


I may be out in left field here, although I've been using WSJT-X for quite some time, but I keep the WSJT-X power slider at the max and control my output power at the K3....

Jim Bennett / W6JHB
Folsom, CA

> On Jan 25, 2016, at 6:17 PM, Robert Nobis <n7rjn at nobis.net> wrote:
> 
> Bob,
> 
> I have already tried that and several other setting levels. The issue, I believe, is that the PWR slider on  WSJT-X is very sensitive. A very small movement results in a big swing in actual power.
> 
> 73,
> 
> 
> Bob Nobis - N7RJN
> n7rjn at nobis.net
> 
> 
>> On Jan 25, 2016, at 18:51, Bob McGraw K4TAX <rmcgraw at blomand.net> wrote:
>> 
>> You might try running the K3S LINE Gain at a lower value, in my case 15 to 20, and running the PWR slider in WSJT-X a bit higher.  This is also affected by the SPEAKER level in the Windows Sound controller panel.  Also under "Enhancements" make sure "Disable All Enhancement"  box is checked.
>> 
>> 73
>> Bob, K4TAX
>> 
>>> On 1/25/2016 7:41 PM, Robert Nobis wrote:
>>> Ian,
>>> 
>>> I have the same issue with my K3 and WSJT-X. Great care must be taken when making the Tx power adjustment, and it is far too easy to significantly change the ALC level with the slightest movement.
>>> 
>>> 73,
>>> 
>>> 
>>> Bob Nobis - N7RJN
>>> n7rjn at nobis.net
>>> 
>>> 
>>>> On Jan 25, 2016, at 18:37, Ian <ik7565 at verizon.net> wrote:
>>>> 
>>>> Thanks all for the helpful suggestions - turns out the audio drive levels
>>>> are pretty sensitive.  The WSJT Power slider on the right is very touchy in
>>>> combination with the K3S Mic Gain knob.  ALC can disappear in an instance!
>>>> 73, Ian N8IK
>>>> 
>>>> 
>>>> -----Original Message-----
>>>> From: Don Wilhelm [mailto:w3fpr at embarqmail.com]
>>>> Sent: Monday, January 25, 2016 17:52
>>>> To: Ian <ik7565 at verizon.net>; elecraft at mailman.qth.net
>>>> Subject: Re: [Elecraft] K3S and WSJT-X
>>>> 
>>>> Ian,
>>>> 
>>>> Are you actually getting RF output?  Check with an in-line wattmeter.
>>>> 
>>>> WSJT-X is no different than other soundcard data modes.
>>>> Do you have the DATA mode input set to LINE IN?  If you have a K3S or K3
>>>> with the KIO3B *and* are using the internal soundcard, anything plugged into
>>>> the LINE IN jack on the K3/K3S will override the audio input from the
>>>> internal soundcard.
>>>> 
>>>> Do you have the data submode set to DATA A?
>>>> The audio drive should be set to produce 4 bars solid on the ALC meter with
>>>> the 5th bar flashing - that is the "No ALC" point, the 1st 4 bars are there
>>>> to help you adjust the audio drive level.  Set the MIC SEL to LINE and set
>>>> MIC + LINE to off.  Set the soundcard output slider up to at least 3/4 and
>>>> then adjust the Line-In (Mic) Gain to obtain the proper deflection on the
>>>> ALC meter (you can do that in TX TEST mode without producing RF).
>>>> 
>>>> If you have no indication on the ALC meter, that is good reason for no RF
>>>> output.
>>>> 
>>>> 73,
>>>> Do W3FPR
>>>> 
>>>>> On 1/25/2016 5:26 PM, Ian wrote:
>>>>> TXMON installed correctly!  Works fb on CW and SSB.
>>>> -----
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>>>> 
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