Tom, The standard configuration for our local moutain top cell sites in Fairbanks is a VIC-100 antenna with LMR-400 feed cable to minimize RF attenuation at very low temperatures. A Symmetricom 4-port splitter feeds dual sets of redundant timing equipment. The ATT guys tell me that even at -60F they get reliable operation with very few outages due to GPS signal loss.
Richard > Bill, > > Is your signal degradation sudden or gradual as correlated > with outside temperature? > > How well sealed is your outdoor connector? Maybe moisture > or thin layer of ice at the cable-connector-antenna junction? > > Monitoring antenna voltage & current could be a good clue > to the source of the problem. > > Those HP hockey puck or cone antennas are used in cell > towers all over; it seems unlikely it would be the fault in the > antenna itself. Richard -- do you see any of these on cell > sites in Fairbanks? > > /tvb > > > _______________________________________________ > 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.
