[Elecraft] ALC implementation

Jim Rhodes jim at rhodesend.net
Fri Jun 28 13:11:54 EDT 2019


Yes Andy, I used a TS590 at field day. But this is the Elecraft reflector.
These rigs work differently. Use my K3 for FT8 often. I built an interface
for my Kenwood rig too. But you treat them differently.

Jim Rhodes
K0XU

On Fri, Jun 28, 2019, 11:21 Andy Durbin <a.durbin at msn.com> wrote:

> I strongly disagree that ALC should be zero for FT8 but that is based only
> on my experience with the TS-590S.
>
> My draft paper on FT8 harmonics can be found here -
>
>
> https://www.dropbox.com/s/85aoc937kz235iq/FT8%20audio%20harmonics%20draft%20d%20k3wyc.pdf?dl=0
>
> ALC must be in the control range for closed loop power control to work on
> a TS-590. Operating in the normal ALC range with a TS-590 does not degrade
> the F8 signal.
>
> 73,
> Andy k3wyc
>
>
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