Further, here are the sentence types I do get: GPGSA, GPGGA, GPGLL, GPRMC, GPGSV, GPVTG. The SiRF manual indicates the ZDA message is only provided to the GSW2 software versions 2.3.2 and above - maybe that's not being implemented on the phones.
On Wednesday, April 25, 2012 3:43:34 PM UTC+10, StarTraX wrote: > > Hi Sy, Thanks for your input. If I understand you correctly, you are > suggesting I look for a $GPZDA NMEA sentence. I have just checked the SiRF > NMEA Manual and tried it. I'm getting RMC and GGA but no ZDA sentences on > either my SGS 11 or HTC , both running 2.3.3. Am I missing something here? > > > On Wednesday, April 25, 2012 3:13:46 PM UTC+10, Sy wrote: >> >> You need to enable RMC messages and then wait for a GPS lock, then enable >> ZDA messages these give a 1PPS message with a timestamp accurate to 1ms. >> On Apr 25, 2012 6:02 AM, "Andrew Gregory" <[email protected]> >> wrote: >> > >> > 1300ms ahead sounds odd. If it was behind I'd say it was just a >> reporting delay as part of the usual message processing, but ahead is weird. >> > >> > It's not GPS, but if you have an Internet connection, what about >> querying an NTP server? >> > >> > -- >> > You received this message because you are subscribed to the Google >> > Groups "Android Developers" group. >> > To post to this group, send email to >> [email protected] >> > To unsubscribe from this group, send email to >> > [email protected] >> > For more options, visit this group at >> > http://groups.google.com/group/android-developers?hl=en >> > -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
