Re: NTP via tcp NMEA feed

[Nick Taylor]

Yo Gary
> I'll need to think  about it, but I think if I remove the SOURCE_GPSD
> line, that may do the trick.  Any gpsd feed should be sorta real-time,
> and if the NTP is setup correctly, bad time should be ignored.
>
> You can try removing that line to see if it works for you.
Sorry to spam this channel - we managed to get NTP feed from gpsd when 
using tcp feed as per my previous emails, however on customer site still 
not working, ntp feed not there.

root@TSB-1279:~# ntpshmmon
ntpshmmon: version 3.24.1~dev
#      Name  Seen@                 Clock                 Real 
                L Prc
^C
root@TSB-1279:~#

Could their NMEA feed be missing something?

Cheers

Nick

The output from gpsd looks like this:

root@TSB-1279:~# gpspipe -r
{"class":"VERSION","release":"3.24.1~dev","rev":"release-3.24-277-g0dbbb9b5c","proto_major":3,"proto_minor":15} 

{"class":"DEVICES","devices":[{"class":"DEVICE","path":"tcp://10.186.165.121:50012","driver":"NMEA0183","activated":"2022-10-18T11:32:54.285Z","flags
":1}]}
{"class":"WATCH","enable":true,"json":false,"nmea":true,"raw":0,"scaled":false,"timing":false,"split24":false,"pps":false} 

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$GPRMC,113319,A,3238.9055,N,10822.4831,W,005.1,250.0,181022,009.3,E*69
$GPGGA,113319,3238.9055,N,10822.4831,W,2,08,1.1,1580.6,M,-24.6,M,,*40
$GPGSA,A,3,02,05,11,12,18,20,25,29,,,,,1.4,1.1,0.9*3D
$GPGSV,3,1,11,02,60,319,43,05,77,132,46,11,29,052,29,12,46,186,46*7F
$GPGSV,3,2,11,18,19,264,14,20,48,048,30,25,58,244,44,29,45,323,44*7D
$GPGSV,3,3,11,06,01,064,00,13,09,132,00,15,10,164,00*41
$PGRME,8.0,M,43.4,M,44.2,M*27
$PGRMV,-2.5,-0.9,0.3*51
$GPRMC,113320,A,3238.9052,N,10822.4848,W,005.1,250.3,181022,009.3,E*69
$GPGGA,113320,3238.9052,N,10822.4848,W,2,08,1.1,1580.9,M,-24.6,M,,*4C
$GPGSA,A,3,02,05,11,12,18,20,25,29,,,,,1.4,1.1,0.9*3D
$GPGSV,3,1,11,02,60,319,41,05,77,132,46,11,29,052,31,12,46,186,47*75
$GPGSV,3,2,11,18,19,264,15,20,48,048,31,25,58,244,45,29,45,323,45*7D
$GPGSV,3,3,11,06,01,064,00,13,09,132,00,15,10,164,00*41
$PGRME,8.0,M,42.9,M,43.7,M*29
$PGRMV,-2.5,-0.9,0.3*51
$GPRMC,113321,A,3238.9049,N,10822.4864,W,005.1,250.8,181022,009.3,E*67
$GPGGA,113321,3238.9049,N,10822.4864,W,2,08,1.1,1581.1,M,-24.6,M,,*40
$GPGSA,A,3,02,05,11,12,18,20,25,29,,,,,1.4,1.1,0.9*3D
$GPGSV,3,1,11,02,60,319,34,05,77,132,38,11,29,052,31,12,46,186,48*71
$GPGSV,3,2,11,18,19,264,14,20,48,048,30,25,58,244,45,29,45,323,44*7C
$GPGSV,3,3,11,06,01,064,00,13,09,132,00,15,10,164,00*41
$PGRME,8.0,M,43.0,M,43.7,M*21
$PGRMV,-2.5,-0.9,0.3*51
$GPRMC,113322,A,3238.9045,N,10822.4879,W,005.2,250.9,181022,009.3,E*66
$GPGGA,113322,3238.9045,N,10822.4879,W,2,08,1.1,1581.5,M,-24.6,M,,*47
$GPGSA,A,3,02,05,11,12,18,20,25,29,,,,,1.4,1.1,0.9*3D
$GPGSV,3,1,11,02,60,319,32,05,77,132,45,11,29,052,30,12,46,186,48*7C
$GPGSV,3,2,11,18,19,264,14,20,48,048,30,25,58,244,45,29,45,323,37*78
$GPGSV,3,3,11,06,01,064,00,13,09,132,00,15,10,164,00*41
$PGRME,8.0,M,42.8,M,43.5,M*2A
$PGRMV,-2.5,-0.9,0.3*51