[amsat-bb] Re: gpredict and ft-817 cat control

[Erich Eichmann]

Hello,
To adjust the TX frequency via CATcontrol a program first has to toggle the 
VFOs (command hex. 81)  to get access to the TX VFO. After adjusting the TX 
frequency it has to toggle the VFOs back, of course.

Also, it is necessary to check the TX status (command hex. F7)  before 
sending frequency commands. The frequencies must not be changed during TX. 
The adjusment has to be suspended until the radio is in RX again.

73s, Erich, DK1TB

----- Original Message ----- 
From: "Richard Ferryman" <g4bbh at btinternet.com>
To: <amsat-bb at amsat.org>
Sent: Tuesday, March 26, 2013 2:00 AM
Subject: [amsat-bb] gpredict and ft-817 cat control


> Does anyone know a way around the problem that gpredict can only control 
> the FT-817 downlink frequency.  I suspect there is a limitation in the 
> hamlib control for this rig.  The gpredict manual says 'the TX frequency 
> can not be adjusted via the CAT interface (e.g. Yaesu FT-817)' but SatPC32 
> on windows manages to handle TX and RX so it must be possible.
> Dick G4BBH
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