[Elecraft] Struggling with diversity mod

[Udo Langenohl - DK5YA]

Brian,

it is MCU 5.29 from June 16. 2015. I didn't try the latest beta yet.
Before I roll back to a former FW I'd like to share my thoughts and 
experiences cause its perhaps me doing something wrong.

73 Udo, DK5YA

Am 11.08.2015 um 13:34 schrieb brian:
> Hi Udo,
>
> Very nice setup.
>
> You don't say what firmware you are using.
> Can you revert back to an earlier version?
> If earlier firmware version works then you can blame the new firmware.
>
> 73 de Brian/K3KO
>
>
> On 8/11/2015 11:11 AM, Udo Langenohl - DK5YA wrote:
>> 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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