Thanks Rick had no idea On Wed, Mar 9, 2011 at 2:04 PM, Rick Hambly (W2GPS) <w2...@cnssys.com>wrote:
> > Every now and then I see e-mails like these. I would like to remind > everyone that Synergy Systems, the USA distributor for the M12 series > receivers, offers Ham Radio and Educational (time nuts) users a new M12M > with the precision time firmware and an on board battery for only $59.18 > with the 10% Ham/Edu discount (sown from $65.75). This unit also includes > both Motorola binary and NMEA message formats. > > Synergy can be found at www.synergy-gps.com or at (858) 566-0666. They > have been very good to the Ham and educational communities for many years. > > Rick > W2GPS > > -----Original Message----- > From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On > Behalf Of paul swed > Sent: Saturday, March 05, 2011 3:06 PM > To: Discussion of precise time and frequency measurement > Subject: Re: [time-nuts] difference between Oncore M12 and M12+T (useful > when buying online) > > Indeed its not easy to tell whats, what either until you paid for it. > I purchased from Fluke.I and my modules is a M12 +. But who knows maybe > I was just lucky. > Regards > Paul > WB8TSL > > On Sat, Mar 5, 2011 at 5:15 PM, John Beale <be...@bealecorner.com> > wrote: > > > In case anyone else is shopping online for a used Motorola Oncore > > M12+T timing GPS, it's probably useful to know what I just learned: > > > > Some online sellers offering "M12+T 100 pps GPS" may instead send you > > a M12 Navigation (non-timing) GPS. The differences: > > > > Motorola Oncore M12 Navigation GPS: > > --- > > * Supports Motorola Binary and NMEA output > > * does not have 100 Hz output > > * does not have TRAIM (Timing Receiver Autonomous Integrity Monitor) > > * does not have sawtooth correction output > > * 1 PPS <500 ns timing > > > > crystal nearest MMCX antenna connector is two-lead can style with bent > > > leads for surface mounting > > example p/n label: P183T12N12 (final "N" = "Navigation"?) > > > > photos: > > http://www.wa5rrn.com/GPS%20Other/Motorola%20M12/m12.pdf > > https://picasaweb.google.com/bealevideo/GPS#5580118907079326290 > > > > Motorola Oncore M12+T Timing GPS: > > --- > > * Supports Motorola Binary output only > > * 1 Hz or 100 Hz output selectable > > * TRAIM (Timing Receiver Autonomous Integrity Monitor) > > * sawtooth correction ("clock granularity") message available > > * 1 pps <2nS 1 Sigma, <6nS 6 Sigma (using sawtooth correction message) > > * 1 pps <10nS 1 Sigma, <20nS 6 Sigma (without correction) > > > > smaller leadless surface-mount crystals > > example p/n label: P283T12T17 (final "T" = "Timing"?) > > > > photos: > > http://www.wa5rrn.com/GPS%20Other/Motorola%20M12/m12plusbrochure.pdf > > http://cgi.ebay.co.uk/ws/eBayISAPI.dll?VISuperSize&item=290308535362 > > > > _______________________________________________ > > 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. > > > > _______________________________________________ > 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.