[time-nuts] 1PPS users?
kb8tq at n1k.org
Mon Dec 19 13:21:10 EST 2016
> On Dec 19, 2016, at 11:55 AM, David J Taylor <david-taylor at blueyonder.co.uk> wrote:
> From: jimlux
> And pretty much any of these will ingest a 1pps + message, rather than,
> say, a 10 MHz reference.
> Why not just use the raw GPS 1pps (which is typically good to a few tens
> of ns)? GPS coverage/outage and random variation in the GPS 1pps
> A lot of them use a disciplined oscillator to generate the 1pps, so the
> oscillator is essentially a long term averager/low pass filter on the
> raw GPS output -
> Having the GPSDO/PPS is handy when someone parks outside your location and carries a GPS jammer.
Unless the jammer causes the GPS receiver to go a bit nuts and the GPSDO is dumb enough to
follow it. Don’t ask how I know about this particular situation :)
> SatSignal Software - Quality software written to your requirements
> Web: http://www.satsignal.eu
> Email: david-taylor at blueyonder.co.uk
> Twitter: @gm8arv
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.
More information about the time-nuts