David Lord wrote: [] > cheers > > Both those were listed on garmin site as uk suppliers but the RS price > that came up was almost 170 quid and I couldn't locate the GPS-18x LVC > on the gpsw site. > > I'll check both again anyway in case my eyesight was playing up.
GPS Warehouse have them in stock. > I had an unreliable Conrad DCF-77 Rx working earlier in the week that > seemed to be giving around +/- 2ms with just the parse driver. I > wasn't expecting such good results due to periodic reception problems > and earlier having had no success at all with a Globalsat br304. > > > David With the GPS 18 LVC, even with Windows in a non-temperature-controlled environment, I'm seeing about +/- 200us (and more plus than minus, it seems that each time the heating switches on it generates a positive offset spike, but the thermal stabilisation takes much longer and generates a more extended negative period). http://www.satsignal.eu/mrtg/feenix_ntp_2.html With FreeBSD on a very old 133MHz Pentium PC, I would easily get within 20us. Cheers, David _______________________________________________ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions