[ntp:questions] site with lots of GPS's and accessories
unruh at invalid.ca
Mon Mar 19 06:45:07 UTC 2012
On 2012-03-19, David J Taylor <david-taylor at blueyonder.co.uk.invalid> wrote:
>> Hi all,
>> I was doing some GPS research and found this site with lots of GPS's and
>> accessories. Just thought I'd pass it along.
>> I don't know which ones are timing GPS's.
> The one I recognise as being a timing GPS with PPS and suitable for NTP is
> one which isn't one that page, but here:
> Same company. US $61
Certainly the 18xLVC has a PPS pulse, as does the 18x-5 OEM which is a
5PPS. It give about 1us accuracy, not 10ns which is what some might call
timeing GPS. But that 1ns is pretty useless for computer timing, since a
computer really cannot use better than about 1us accuracy.
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