[aprssig] Sharing GPS

Nick VA3NNW tapr at noseynick.com
Tue Dec 26 21:09:27 CST 2017


Jason KG4WSV wrote:
> Brett Friermood wrote:
>> Gpspipe can be used to pipe NMEA data from gpsd out a select serial port
> cool, i'll be trying that one out. Sounds like it'll work for Michael, too.

NMEA, unless I'm mistaken, is entirely TXD from the GPS to RXD at the
computer. The computer end ought to be high impedance on that pin, so
you ought to be able to make up a special-purpose cable connecting just
GND to GND, and GPS NMEA TXD to computer RXD, and probably to 2, 3, or
more computers' RXDs.

What would NOT work would be any kind of combining of multiple
computers' TXDs into GPS RXD. but in this case you shouldn't need
computer->GPS anyway.

-- 
"Nosey" Nick Waterman, VA3NNW/G7RZQ, K2 #5209.
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