>>Since you have a GPS receiver, three internet servers should be >>sufficient as backup and a sanity check for the GPS. >See below, now set up as recommended with three us.pool.ntp.org >servers but as you say it will take some time to be useful, but I >don't seem to be getting the NEMA data as of 1415Z 28-dec-2008. > ># ntpq -p > remote refid st t when poll reach delay offset >jitter >============================================================================== > GPS_NMEA(0) .GPS. 0 l 273 16 0 0.000 -664.93 >0.002 >xSHM(0) .PPS. 0 l 7 16 227 0.000 -634.51 >349.893 > eagle-local 192.168.1.7 4 u 11 64 37 0.120 -11.083 >0.523 > apollo-local 192.168.1.7 3 u 18 64 37 0.224 6.685 >0.765 >x64.247.17.251 129.6.15.28 2 u 12 64 37 34.158 -18.850 >6.764 >+ip-72-167-54-20 204.123.2.72 2 u 13 64 37 82.722 1.031 >1.821 >*caspak.cerias.p .GPS. 1 u 10 64 37 22.867 7.745 >10.934 >
OK here is about 21 hours later 11Z 29 Dec-2008: # ntpq -p remote refid st t when poll reach delay offset jitter ============================================================================== xGPS_NMEA(0) .GPS. 0 l 2 16 375 0.000 -722.08 9.115 xSHM(0) .PPS. 0 l 6 16 377 0.000 -722.20 7.892 eagle-local 192.168.1.7 4 u 390 1024 377 0.181 -5.629 4.389 apollo-local 192.168.1.7 4 u 410 1024 377 0.311 -2.394 0.299 *got.my.mojo.net 192.5.41.41 2 u 966 1024 377 30.157 -5.166 0.361 +kiri.nonexiste. 64.202.112.75 2 u 644 1024 377 9.423 -5.517 203.143 +host2.kingrst.c 99.150.184.201 2 u 944 1024 377 16.221 -11.608 16.695 still seing both of the local GPS/PPS entries as false tickers but I also see the offsets are huge compared to other clocks...where do I go from here to correct this?? ntp.conf is below: # LinuxPPS: GPS server 127.127.20.0 minpoll 4 fudge 127.127.20.0 flag3 1 flag2 0 # SHM: PPS filtered mean server 127.127.28.0 minpoll 4 fudge 127.127.28.0 refid PPS flag3 1 server eagle.netwrx1.com iburst server apollo.netwrx1.com iburst server 0.us.pool.ntp.org iburst server 1.us.pool.ntp.org iburst server 2.us.pool.ntp.org iburst _______________________________________________ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions