[Elecraft] K3S, VOX and WSJT-X?

[Bob McGraw K4TAX]

The major issue I've found in using VOX for data modes lies in the fact 
that any noise {hum,  buzz, clicks, broadband noise, Windows sounds, 
RFI, etc.} coming out of the computer can and will trigger the VOX.  
This is specially true if the VOX gain is too high.  Also, the VOX delay 
does affect turn-a-round time and must be set to minimum.  That in 
itself then requires the operator to change VOX gain and Delay when 
reverting to SSB.  Of course if one doesn't use VOX for SSB it is a non 
issue.  And if in digital modes the VOX Gain is high and such that the 
system is driven into distortion, VOX audio chain, that will affect the 
delay time.

I agree with Don in that I find CAT is the better and most assured mode 
for transitioning between RX and TX.   As to CW using VOX with the K3S, 
that is totally internal to the radio.  A very different condition than 
one running an external application.

At the same time, I am not exactly clear on using multiple decoders.  I 
presume from what I've read, then each decoder has the option to 
transmit.  Thus the issue of conflicts with port assignments will likely 
arise.   Me, I prefer to keep life simple and use one mode at at time, 
running the application from the base application and not from within 
other applications.   I find life to be simpler and much less stressful 
but more reliable, thus not having to frequently determining what 
changed and why it doesn't work today.

This is totally independent on running one application and one decoder 
or multiple applications and decoders.   It is not a race, it is a 
hobby.   Thus coming in first has little merit.

Just remember, we are all going to get to the same place at sometime in 
the future.   The mortuary cooling slab could likely be one place.

73

Bob, K4TAX


On 1/30/2020 9:32 AM, Bill Frantz wrote:
> VOX is a lot easier to configure for digital modes than is is for 
> voice because, all the digital modes -- at least that I know about -- 
> are either on or off. None of them use different volume levels to 
> encode data. This means that you just have to find a setting between 
> zero volume and full volume, and it will work well for keying the 
> radio. If use VOX for voice, the same setting should work for digital.
>
> 73 Bill AE6JV
>
> On 1/29/20 at 9:59 PM, donwilh at embarqmail.com (Don Wilhelm) wrote:
>
>> Although several others have had success with VOX, I find the most 
>> reliable is to use PTT via CAT command.  Set it in the application 
>> and you will have no problem.
>
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