[ntp:questions] NMEA ref.clock better than my ISP's timeserver?
nomail at example.com
Fri Jun 12 19:35:53 UTC 2009
David J Taylor <david-taylor at blueyonder.not-this-part.nor-this.co.uk.invalid> wrote:
>> So yes, OTT and as mentioned before it's more important to
>> have servers in sync than be spot on UTC and if I could get MSF
>> or DCF reliably that would be ok. I already know ground floor has
>> embedded steel mesh and suspect this may be case for some walls.
>> GPS gives much more than I need for ntp but I was also after a
>> good frequency reference and the gps with 10kHz out seem to be
>> no longer available.
> I've seen some circuits around for syncing a 10MHz oscillator to a PPS
> signal, so yes, it would be good to have a frequency reference out of this
> as well!
There used to be a "Jupiter" GPS receiver that output 10 kHz in addition
to 1 Hz. That was much more convienient to lock a 10 MHz oscillator.
But as written above, they don't seem to make them anymore.
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