REFLECTOR: Trig TT-31 ADS-B transponder
John Dibble
aminetech at bluefrog.com
Sat Nov 16 18:23:48 CST 2013
I've been unsuccessful connecting the serial output from my Apollo 2001
gps to my transponder. The transponder indicates "no activity" when the
gps is operating and also when it's off. I'm using a shielded twisted
pair. The second wire connects the serial grounds. The shield is
connected at the gps. The baud rate is 9600 for the gps output and not
changeable. The transponder is set at 9600 also. The gps serial out
must be turned on. I assume it is since my autopilot tracks the gps
course. I don't know what else to check. FWIW, I was unsuccessful
connecting the encoder serial output to the transponder also. Any ideas
would be appreciated.
Thanks,
John
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