I've lost a fine DX QSO with the C92RU expedition station thanks to the
same QSY phenomena!
73,
Andy HA6NN

On Wed, Apr 14, 2021 at 8:04 PM Ton PA0TBR <pa0...@mubo.nl> wrote:

> Can someone help me with the following observation? Is this a problem with
> my settings, is it a bug or is there some other reason?
>
> I have 2 instances '1' and '2' which are connected to an ANAN transceiver
> with CAT over separate virtual COM ports. The system works very well when
> split operation is set to 'None'.
>
> When split operation is set to 'Fake it' then during transmission on
> instance 1 BOTH instances change their dial frequency according to their
> respective Audio TX Frequency settings.
> I had not expected instance 2 to change frequency.
> The radio VFO 2 does not change.
> This applies when the last band switch was done using the instance 2 band
> control.
>
> When I do a band switch using the radio (VFO 2), say from 20m to 17m,
> WSJT-X instance 2 follows accordingly, but now a transmission on instance 1
> becomes even more confusing.
> During transmission on instance 1, the dial frequency for instance 1
> changes as before but instance 2 changes back to 20m, again with the
> corresponding offset.
>
> My station:
> 2 * WSJT-X v2.4.0-rc4
> Windows 8.1
>
> Unique identifiers have been assigned to the 2 instances.
>
> UDP settings are the same for the 2 instances.
> UDP server: 239.255.0.0
> UDP Server port number: 2237
> Outgoing interfaces: loobback_0
> Multicast TTL: 1
> All 3 UDP checkboxes are checked.
>
> 73,
> Ton PA0TBR
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>
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