[aprssig] D700 vs D7 at 9600 baud?
bruninga at usna.edu
Tue Oct 28 17:56:12 CDT 2014
9600 baud differences in the D700 vs D7?
We are testing a cubesat with 9600 baud AX.25 uplink on VHF and it works
fine with the D7 as the transmitting radio, but the satellite ignores the
same commands transmitted from the D700 radio. Anyone else noticed this?
I guess we will have to put it on a scope and see if we can see the
But maybe we are doing something stupid. The D700 (and D7) receive the
cubesat just fine.
I knew there was a slight difference on 1200 baud with regard to
pre-and-de-emphasis between the two radios, but that should not apply at
9600 which is baseband modulated.
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