[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 <joseph.durnal at gmail.com>
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 <frantz at pwpconsult.com> 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, jim at 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
> >
> > -------------------------------------------------------------------------
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> >
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-- 
Jim K0XU
jim at rhodesend.net