Thanks I thought it would still work as the 3801 does. On Thu, Jul 27, 2017 at 10:03 PM, Tom Van Baak <t...@leapsecond.com> wrote:
> > There is: There is a 13bit week number in message type 10. > > Attila, > > Well, yes and no. > > Yes -- paragraph 30.3.3.1.1.1 in www.gps.gov/technical/icwg/IS- > GPS-200D.pdf describes a 13-bit extended week number. > > No -- because this is part of the new CNAV format and existing GPS SV do > not transmit that information. > > Interesting links and PDF's if you google: "Transmission Week Number" CNAV > > https://lists.ntpsec.org/pipermail/devel/2017-April/004331.html > https://lists.nongnu.org/archive/html/gpsd-dev/2016-07/msg00002.html > > > The new 13-bit week number is only provided by the new "CNAV" data, > > which in turn is (or will be) available only in newly added GPS signals. > > Based on the carrier frequencies used, only the newest of the new > > signals (L1C) will be available to common civilian receivers, even with > > compatible hardware and firmware. This signal is unavailable from > > satellites earlier than Block III, which are currently (July 2016) not > > expected to begin to launch earlier than September 2016. Given that it > > takes years to launch a full constellation of satellites, it's highly > > unlikely that CNAV data with "operational" status will be available to > > common civilian receivers in time for the April 2019 10-bit rollover. > > /tvb > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.