10 Oct
2017
10 Oct
'17
11:11 a.m.
I used a adafruit GPS module on a Olinuxino, the advantage being that it
has full fledged UART ports, so no GPIO is needed for PPS.
This is the main stratum 1 source for my network. It is available as
stratum 2 on yo2tm.ampr.org.
Marius, YO2LOJ
On 10.10.2017 18:00, John D. Hays wrote:
I have one of these on order
https://learn.adafruit.com/adafruit-ultimate-gps-hat-for-raspberry-pi/overv…
On Oct 10, 2017 02:33, "Ruben ON3RVH" <on3rvh(a)on3rvh.be> wrote:
> Well, an rPi can be a Stratum1 if it uses the PPS output from the GPS
> clock imho. (and from what I found on the net a few years ago)
> If it does not use PPS output it cannot be a Stratum1 imho because the
> jitter will be too high
>