Best practices question
Patrick
201905-ntpsec at jslf.app
Wed Jun 26 03:06:02 UTC 2019
On 2019-06-25 19:07, Paul Theodoropoulos wrote:
> Is this any different from declaring the 'nohz=off' in the cmd.txt boot file
> in raspbian?
Not any differnt. ;)
> Thanks for the tip re ntpsec directly without gpsd. I'll see what happens.
An ntpsec direct to the RasPi Hat configured with:
refclock nmea refid GPS path /dev/ttyAMA0 baud 9600 minpoll 4 maxpoll 4 ppspath /dev/pps0 flag1 1 mode 1 time2 0.480
Yields the following...
remote refid st t when poll reach delay offset jitter
===============================================================================
oNMEA(0) .GPS. 0 l 7 16 377 0.0000 -0.0026 0.0002
+17.253.82.253 .SHM. 1 u 31 32 377 2.5711 -0.0826 0.0126
+118.189.138.5 .NMC1. 1 u 31 32 377 4.2364 -1.5600 2.3600
+218.186.3.36 .GPS. 1 u 23 32 377 2.5162 -0.1025 0.0106
Patrick
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