[ntp:questions] best gps receiver for time synchronization

Unruh unruh-spam at physics.ubc.ca
Mon May 11 16:01:31 UTC 2009

hal-usenet at ip-64-139-1-69.sjc.megapath.net (Hal Murray) writes:

>In article <3Uftl.5045$Lc7.2754 at text.news.virginmedia.com>,
> "David J Taylor" <david-taylor at blueyonder.neither-this-bit.nor-this.co.uk> writes:

>>I don't know if anyone has written a driver which will suit your USB-based 

>The BU-353 uses one of the common serial-USB chips and
>speaks the NMEA protocol.  I expect it will work if you
>just plug it in and fiddle around a bit.

>It uses the SiRF chip set.  There is no PPS.  The timing
>on the NMEA strings is bad to horrible.

Yes. Do not use NMEA strings to time your system, unless you only wnat
ms accuracy.

>If anybody has figured out how to get good timing out of the
>SiRF units, please clue me in.

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