Christian Weisgerber wrote:
Per olof Ljungmark <p...@intersonic.se> wrote:
Does anyone have a recommendation on a good GPS receiver/board for use
with NTP/FreeBSD to create a stratum 1 public time server?
Anything with a PPS output. The Garmin GPS 18 LVC is probably the
cheapest option.
Preferably something above the Garmin "puck" level but not ridiculously
expensive either...
One of the u-blox evaluation kits (e.g. EVK-5T).
http://www.u-blox.com/
There are many more factors involved than just getting a decent NMEA and
PPS signal. We are in a building with obscured view of the sky (antenna
must be on roof or at least up the wall), the server room is in the
basement (long cable runs).
Perhaps a Motorola ONCORE off e-bay + a proper antenna could be a way of
getting started, I do realise that professional timekeeping equipment is
expensive, just as any other high quality product made in small quantities.
Thanks,
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