> It seems to me that the code they use for the 6731M signal is botched,
> anybody who can confirm ?
Indeed, see the attached plot (from a recording I made earlier this
evening): the master signal is totally lacking the 180 degree phase
code modulation, while the slave signal does have it.
Regards,
Pieter-Tjerk, PA3FWM
---------
This explains exactly what I've been seeing here on the FS700s.
By default the FS700 runs in an "Auto" mode, where given a valid GRI it
searches and locks to the station with the highest signal strength, but with
both Master and Y channels now having the same amplitude this obviously
becomes a very close call.
This wasn't an issue until yesterday afternoon, but with both operational
units producing errors I eventually realised this was only when they were
trying to lock to the Master and that they would still lock ok to the Y
channel, manually selecting the Y channel resolved the problem.
Whether or not the current situation is deliberate or unintended, having
the Master present again, even in a restricted fashion, does at least
restore proper channel identification:-)
Regards
Nigel
GM8PZR
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