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Re: [gpsd-users] problem with Stratum-1-Microserver HOWTO
From: |
Charles Muggen |
Subject: |
Re: [gpsd-users] problem with Stratum-1-Microserver HOWTO |
Date: |
Fri, 9 Feb 2018 02:23:41 +0100 |
No comment about mini-UART BAUD rate related to clock speed on the Raspberry Pi
3?
Is that a red herring?
> Sent: Thursday, February 08, 2018 at 8:10 PM
> From: "Gary E. Miller" <address@hidden>
> To: "gpsd users" <address@hidden>
> Subject: Re: [gpsd-users] problem with Stratum-1-Microserver HOWTO
>
> Yo Charles!
>
> On Fri, 9 Feb 2018 01:30:01 +0100
> "Charles Muggen" <address@hidden> wrote:
>
> > then I ran:
> > ntpq -p
> >
> > remote refid st t when poll reach delay
> > offset jitter
> > ==============================================================================
> > SHM(1) .PPS. 0 l - 64 0 0.000
> > 0.000 0.002 *SHM(0) .GPS. 0 l 40 64 37
> > 0.000 43.706 52.221 us.pool.ntp.org .POOL. 16 p -
> > 512 0 0.000 0.000 0.002
>
> That looks good, except no PPS.
>
> Look at the gpsd debug output:
>
> # gpsd -nND 6 /dev/ttyAMA0 |& fgrep PPS
>
> Should get lines like this:
>
> gpsd:PROG: KPPS:/dev/pps0 assert 1518138392.000000408, sequence: 6041142,
> clear 0.000000000, sequence: 0 - using: assert
> gpsd:PROG: KPPS:/dev/pps0 Assert cycle: 1518138392000000, duration: 0 @
> 1518138392.000000408
> gpsd:PROG: PPS:/dev/pps0 Assert cycle: 1518138392000000, duration: 0 @
> 1518138392.000000408
>
>
> > I tried every combination of redirection.
> > ntpshmmon > file.txt
> > ntpshmmon 2> file.txt
> > ntpshmmon &> file.txt
> > ntpshmmon | tee file.txt
> > ntpshmmon |& file.txt
> > nothing works.
>
> All should work fine. Works for me. Check your version:
>
> # ntpshmmon -V
> ntpshmmon: version 3.18~dev (revision release-3.17-36-g9f6d73c7)
>
> > I ran ppstest;
> > ppstest /dev/pps0
> > that's showing positive results.
>
> Good.
>
> > what else can I check?
> > is there a utility that shows the system time being micro-adjusted?
>
> Yes, ntpq -p
>
>
> RGDS
> GARY
> ---------------------------------------------------------------------------
> Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
> address@hidden Tel:+1 541 382 8588
>
> Veritas liberabit vos. -- Quid est veritas?
> "If you can’t measure it, you can’t improve it." - Lord Kelvin
>
- [gpsd-users] problem with Stratum-1-Microserver HOWTO, Charles Muggen, 2018/02/08
- Re: [gpsd-users] problem with Stratum-1-Microserver HOWTO, Gary E. Miller, 2018/02/08
- Re: [gpsd-users] problem with Stratum-1-Microserver HOWTO, Charles Muggen, 2018/02/08
- Re: [gpsd-users] problem with Stratum-1-Microserver HOWTO, Charles Muggen, 2018/02/08
- Re: [gpsd-users] problem with Stratum-1-Microserver HOWTO, Gary E. Miller, 2018/02/08
- Re: [gpsd-users] problem with Stratum-1-Microserver HOWTO, Charles Muggen, 2018/02/08
- Re: [gpsd-users] problem with Stratum-1-Microserver HOWTO, Gary E. Miller, 2018/02/08
- Re: [gpsd-users] problem with Stratum-1-Microserver HOWTO,
Charles Muggen <=
- Re: [gpsd-users] problem with Stratum-1-Microserver HOWTO, Charles Muggen, 2018/02/08
- Re: [gpsd-users] problem with Stratum-1-Microserver HOWTO, Gary E. Miller, 2018/02/08
- Re: [gpsd-users] problem with Stratum-1-Microserver HOWTO, Charles Muggen, 2018/02/08
- Re: [gpsd-users] problem with Stratum-1-Microserver HOWTO, Charles Curley, 2018/02/08
- Re: [gpsd-users] problem with Stratum-1-Microserver HOWTO, Charles Muggen, 2018/02/09
- Re: [gpsd-users] problem with Stratum-1-Microserver HOWTO, Gary E. Miller, 2018/02/09
- Re: [gpsd-users] problem with Stratum-1-Microserver HOWTO, Charles Muggen, 2018/02/09
- Re: [gpsd-users] problem with Stratum-1-Microserver HOWTO, Gary E. Miller, 2018/02/09
- Re: [gpsd-users] problem with Stratum-1-Microserver HOWTO, Charles Muggen, 2018/02/09
- Re: [gpsd-users] problem with Stratum-1-Microserver HOWTO, Gary E. Miller, 2018/02/09