Sorry I should have said pulse per even second. I recall the pulses are aligned with the UTC even second.
--- On Sun, 9/16/12, Mark Spencer <mspencer12...@yahoo.ca> wrote: > From: Mark Spencer <mspencer12...@yahoo.ca> > Subject: Re: Even pulse per second signals > To: time-nuts@febo.com > Received: Sunday, September 16, 2012, 3:07 PM > While I don't have first hand > knowledge of CDMA base stations, I recall seeing a > symmetricom data sheet that stated that even pulse per > second signals were (or are ?) used for timing in CDMA base > stations. Sorry I have no idea why the even pulse per > second signal is preferable in that applcation. > > Regards > Mark Spencer > > > > > Some GPSDO have both a 1PPS and a PP2S (pulse per 2 > second) > > output. I have two questions for one of you telecom > experts: > > 1) What is the history, and the purpose of that PP2S > signal? > > 2) What is the official spec for which second the PP2S > lands > > on? Is it odd seconds or even seconds? Is it GPS time > (easy) > > or UTC (problematic)? If UTC, what happens after a > leap > > second? > > > > Thanks, > > /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.
