For those who may not have seen it elsewhere, I've been playing with a Raspberry Pi computer and a couple of different GPS/PPS receivers (Trimble and u-blox). A stratum-1 NTP server with a 4W power consumption:

 http://www.satsignal.eu/ntp/Raspberry-Pi-NTP.html

It's all a bit experimental, but if the note is of use to anyone - great! Not tested for load capacity - does anyone have a Windows program for stress-testing an NTP server.

By the way, at the moment it's configured to work purely off the WAN (Internet) so that I can provide performance comparisons, but with a PPS source offsets are reported to be at the microsecond level - graphs are on that Web page.

Cheers,
David
--
SatSignal Software - Quality software written to your requirements
Web: http://www.satsignal.eu
Email: [email protected]
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