Dr Bruce Griffiths said the following on 10/22/2006 08:24 PM: > Reading between the lines on the Jupiter GPS receiver datasheet it would > appear that the 10KHz output is phase modulated at 1Hz to realign it to > successive PPS output pulses. As the PPS jitters about so does the 10KHz > signal. > Most GPS receivers with higher frequency outputs than 1Hz, phase > modulate the high frequency output in this way and the datasheets > explicitly indicate this. > > Thus there would appear to be little advantage in phase locking to the > 10KHz signal with a short loop time constant.
Hi Bruce -- I believe you're correct that the 10kHz output jitter is not any better than the 1 PPS jitter; there's been some confusion about that in some of the projects that use the Jupiter receivers. John _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts