soon, Navisys GR-701-W

Mark Atwood fallenpegasus at gmail.com
Fri Apr 15 17:57:30 UTC 2016


Hi!

I have just ordered a batch of the Navisys GR-701-W USB connected GPS
receivers.  They are probably at least 5 weeks from delivery to my
hackerspace.   When they arrive, I will ship some to some NTPsec people,
and then put the rest up for sale as an electronics part up on Etsy and
Tindie, probably for about $45/each.   If I work out a good enough way to
do it, I may have the NTPsec logo & url silkscreened onto the them.

The GR-701-W provides only a USB interface, and so lacks the final
precision of a PPS interface.  OTOH, someone can just thoughtlessly plug
one into a random PC or WRG, install gpsd&ntpsec, and have a good-enough
compliant stratum 1 server.

I decided not to at this time order a lot of the Navisys GR-701-T, which is
a TTL interface with a PPS line.  While this is a more precise source and
easier for RasbPi/etc hobbyists, they are more likely to want to use the
GPS receiver HAT and daughterboard units already easily available to them.

..m
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