[ntp:questions] Re: Garmin gps18: The best DIY gps refclock?

David J Taylor david-taylor at blueyonder.co.not-this-bit.nor-this-part.uk.invalid
Fri Nov 25 14:57:59 UTC 2005

Terje Mathisen wrote:
> I decided to look into this interesting unit, both due the the low
> price, and the fact that nearly all my other refclocks are Motorola
> Oncores.
> The gps18lvc is an OEM model of the Garmin 12-channel/WAAS receiver,
> packed together with an antenna into a small puck device. The PPS
> signal
> is specified as "< 1 us", which means that the stability of the server
> system clock will determine the actual performance.
> I'm currently gathering clockstats info on the unit, my current
> guesstimate would be something like ~5 us RMS time offset.
> Terje

This looks excellent, Terje.  Now, if only there was a Windows driver!


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