For Rob, I would suggest that each TX have a GPS/PPS reference with sky
view, and that each PC was identical (e.g. all Raspberry Pi cards), and
then getting them synced to with 12 microseconds should be easy. I
achieve this even with indoor GPS puck antennas:
http://www.satsignal.eu/mrtg/performance_ntp.php
on six RPis, with only the occasional glitch caused by signal drop-out.
A better located antenna would prevent that.
--
Cheers,
David
Web: http://www.satsignal.eu
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