[Elecraft] Struggling with diversity mod

[Udo Langenohl - DK5YA]

Sorry, forgot to mention: it's a K3 (serial 59xx) issue here.

Am 11.08.2015 um 13:01 schrieb Udo Langenohl - DK5YA:
> Gents,
> with the last firmware release I'm struggling with diversity mode. I was
> running diversity for a very long time without any issues on my Xpol EME
> system (144 MHz). The main RX is fed with the H-Pol signal from my
> transverter #1 via KXV3-A, the sub RX is fed with the Vpol signal from
> transverter #2 at AUX input. Both transvertes are in exactly phase by a
> common GPS controlled LO. In diversity mode the signals were stereo at
> line out, with Hpol on left and Vpol at the right channel. It was
> exactly the same on my headphones.
>
> With the latest firmware release there's no stereo signal at line out
> anymore and I recognize that strange "hum hum hum" phase shifting on my
> headphones. On line out there seems to be either a mono signal mixing
> both channels to one or just the main RX on both left and right. I can
> see this clearly on my WSJT system, when Hpol and Vpol signals are
> eaxctly the same now. There's no difference anymore, even that there
> must be some.
>
> When diversity is off and main RX and sub RX are exactly on the same QRG
> things are like they were before: main RX on the left and sub RX on the
> right channel on both line out and headphones.
>
> Anything worng with the latest firmware release, is this a new feature,
> a bug or is it me doing something wrong?
>
> Have no idea.
> 73 Udo, DK5YA

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