Brian Utterback wrote: > So, apparently not entirely useless. Using USB as a power source is > getting to be highly popular. Witness the number of cup warmers, fan, > etc. on the market. As long as you don't try to read the signal via USB, > it should be okay. > > One thought occurs to me. Would it work to have the PPS signal go to a > serial port but the actual NMEA sentences be read via USB? It seems to > me if the total jitter of the USB still kept the snetences timing within > half a second it would work.
Sure, that should work, except that if you do have a serial port to receive the PPS signal on, using the same port for the rest of the signal simply makes sense. The USB-based GPSes all seem to be missing a dedicated PPS signal. Terje -- - <[EMAIL PROTECTED]> "almost all programming can be viewed as an exercise in caching" _______________________________________________ questions mailing list [email protected] https://lists.ntp.org/mailman/listinfo/questions
