Using a 5Hz PPS is not fundamentally different than 1Hz. That should not be a problem.
Make sure your pulse has the correct levels: http://www.ettus.com/uhd_docs/manual/html/usrp2.html#pps-pulse-per-second -Josh On 01/18/2011 05:36 PM, Sangho Oh wrote: > Hello, > > I am using Garmin 18 5Hz PPS clock for USRP synchronization. > > This is the GPS: https://buy.garmin.com/shop/shop.do?pID=8631 > > However, because it is 5Hz PPS not 1Hz, the synchronization looks not > working properly. > > I got following message on the time stamp reading after 1 sec. > > "Creating the usrp device with: ... > Current recv sock buff size: 50000000 bytes > Synched to PPS: Reading time 1s later: 0.829645" > > As you see, the time reading after 1 sec is smaller than 1 sec. > > I am wondering if I have to buy another GPS for 1 Hz PPS. > > Thanks. > > - Sangho > > > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > http://lists.gnu.org/mailman/listinfo/discuss-gnuradio _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
