[aprssig] D700 vs D7 at 9600 baud?
k4ag at bellsouth.net
Sun Jan 4 10:51:15 CST 2015
Just got this message today 1/4/15, could it be RF overload from the D700
On 10/28/2014 5:14 PM, Robert Bruninga wrote:
> 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.
> Bob, WB4APR
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