[Starlink] GPS Dongle?

[Nathan Owens]

Hey Gary,

Got this running:

pi at realtimepi:~ $ ntpq -crv -pn
associd=0 status=0115 leap_none, sync_pps, 1 event, clock_sync,
version="ntpd 4.2.8p12 at 1.3728-o (1)", processor="armv7l",
system="Linux/4.19.71-rt24-v7l", leap=00, stratum=1, precision=-20,
rootdelay=0.000, rootdisp=1.195, refid=PPS,
reftime=e4753908.36ea5b4a  Wed, Jun 16 2021 19:59:20.214,
clock=e4753915.668e763d  Wed, Jun 16 2021 19:59:33.400, peer=23018, tc=4,
mintc=3, offset=0.298251, frequency=-22.915, sys_jitter=0.149930,
clk_jitter=1.980, clk_wander=0.051

     remote           refid      st t when poll reach   delay   offset
 jitter
==============================================================================
o127.127.22.0    .PPS.            0 l   13   16  377    0.000    0.298
0.150
*216.239.35.12   .GOOG.           1 u   36   64  377   61.574   -4.184
 24.605

Let me know how it looks, or if there's anything I could improve!

On Mon, Jun 14, 2021 at 1:38 PM Gary E. Miller <gem at rellim.com> wrote:

> Yo Ricky!
>
> On Mon, 14 Jun 2021 13:25:26 -0700
> Ricky Mok <cskpmok at caida.org> wrote:
>
> > Attached a paper on this topic from my old colleagues.
>
> Not bad.  It skipped the important details of how they configured their
> RasPi's.  It also made the very common mistake of over smoothing their
> ADEV measurements.  Lacking a few now standard metrics.  Otherwise
> sound.
>
> It is possible to do a little better now.
>
> RGDS
> GARY
> ---------------------------------------------------------------------------
> Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
>         gem at rellim.com  Tel:+1 541 382 8588
>
>             Veritas liberabit vos. -- Quid est veritas?
>     "If you can't measure it, you can't improve it." - Lord Kelvin
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