Given the low prices Thunderbolts have been selling for lately, I believe most people are better off with one of those, or a similar high-quality GPS slock. If you expect very poor GPS coverage with lots of complete signal dropouts, then perhaps an Rb-based standard makes more sense.
-- john, KE5FX > At this date I have no "frequency standard" at home. > I'd like to buy one FE-5650A Rb used unit (230US$ s/h included) > so I will be > able to use it as a reference/comparation for my future DIY GPSDO. > BTW, I found interesting the provision to use the internal DDS to generate > different frequencies than 10MHz: maybe I will use a different DDS chip > (9912) so the resolution will be 48 bits instead of 32... > > Or will it be better to spend my money in something like a > Thunderbolt unit? > > .. thanks in advance > _ Elio. > > P.S. do you know what is the WORKING temperature of the unit? I > checked the > data sheets but couldn't found > any reference to it: do I need to fix it to a heatsink? > P.P.S. I live in Europe, so now I have a really good Euro/Dollar exchange > rate! :-) _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.