Aren't you going about this in the wrong way? You only need isolation between the gps antenna and the gpsdo, and not put the gpsdo in the roof. Or am I missing something? Optical GPS antenna links cable exist, but are expensive. Otherwise lightning surge protectors should be good enough. Some on epay a <$30.
Le 3 juin 2010 à 02:13, <[email protected]> <[email protected]> a écrit : > > I have access to my roof and above through a trap door I had installed when > we built the house. Also have AC in the attic. I've been reluctant to put a > GPS up there with a direct link to the shack and computers, etc. Has anyone > done a simple circuit for conversion from a 10 MHz signal into, say, TOSLINK > or such and then back for a galvanic break? I realize that I'll be adding > some delay and jitter, but for frequency locking shouldn't be a problem. > > Looks like it isn't too big a problem to throw something together, but if it > has be done...... > > N0UU > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
