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On Saturday, September 14, 2024 at 12:06:55 PM PDT, Hal Murray <halmurray@sonic.net> wrote:
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<div><div dir="ltr"><br></div><div dir="ltr">Jim Pennino said:<br></div><div dir="ltr">> ntpq now reports:<br></div><div dir="ltr">> xNMEA(0) .GPS. 0 l 9 16 377 0.0000 -96.4123 0.5949<br></div><div dir="ltr">> xPPS(0) .PPS. 0 l 8 16 377 0.0000 0.4051 0.0235 <br></div><div dir="ltr"><br></div><div dir="ltr">> Adjusting time1 appears to do nothing.<br></div><div dir="ltr"><br></div><div dir="ltr">Adjusting time2 on the NMEA line should reduce that -96 in the offset <br></div><div dir="ltr">column.<br></div><div dir="ltr">Note time2 vs time1.<br></div><div dir="ltr"><br></div><div dir="ltr">The PPS stuff won't kick in until the x on the NMEA line turns into a *. <br></div><div dir="ltr">You need to get the offset small enough and/or add something like:<br></div><div dir="ltr"> tos mindist 0.075 # default is 0.001 (1 ms)<br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr">-- <br></div><div dir="ltr">These are my opinions. I hate spam.</div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">My point was that ntpd is now magically processing all data again, i.e. reach is now 377 for both after the latest batch of updates.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">I probably should have explicitly said that, my bad.<br></div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">As for the offsets, I have scripts that analyze that and after everything that has gone on it will take a couple of days to stabilize to something statistically valid.<br></div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr"><br></div></div>
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