Even more so when the cable is long, as it is likely to be with a GPS receiver. The cable attenuation does wonders attenuating the effects of VSWR...
Didier KO4BB On Fri, Jun 5, 2020 at 6:30 PM Tim Shoppa <tsho...@gmail.com> wrote: > Many of us use F connectors and 75 ohm CATV RG-6 coax for GPS antennas when > both antenna and receiver are specified for 50 ohms. > > Don't sweat the difference between 75 and 50 ohms. > > Tim N3QE > > On Fri, Jun 5, 2020 at 7:22 PM Robert DiRosario <ka3...@comcast.net> > wrote: > > > I have a Trimble ThunderBolt GPSDO that I just received. It has an F > > connector for the antenna input, and BNC connectors for the 1 pps and 10 > > MHz outputs. Is the receiver input impedance really 75 Ohms, or is it 50 > > Ohms and they just used the F connector to distinguish it from the > > others? What do people do, just use a 50 Ohm antenna? > > > > Thanks > > > > Robert DiRosario > > > > KA3ZYX > > > > _______________________________________________ > > time-nuts mailing list -- time-nuts@lists.febo.com > > To unsubscribe, go to > > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > > and follow the instructions there. > > > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
