Barry, > Larry > I have been using the radio shack "atomic clock" for quite a while with SDR. > What might be the advantage of the GPS clock? If your existing method works well then you probably don't need the GPS system. With GPS timing one can get a few milliseconds of accuracy, with WWVB the accuracy is around +-20 ms and it can very with reception. >The price is right for the radio > shack unit but maybe there is a problem with reception. Would the GPS unit be > more compatable with file transfer via pcanywhere and it's interupts? No, with GPS SDR still uses a 1 ms (or 500 us at high SPS rates and number of channels) interrupt. If you don't have a handheld GPS receiver one can also use the receiver/interface board to do a site survey of you sensor using WinONCORE or TAC32 (http://www.cnssys.com/cnsclock/Tac32Software.html). -Larry > Regards > Barry __________________________________________________________ Public Seismic Network Mailing List (PSN-L)
Larry Cochrane <cochrane@..............>