Maybe it's the antenna, or a short in the cable (water in the coax) or a nearby transmitters that is jamming the GPS signal. The simplest way to diagnose the problem is by swapping parts. Is your antenna in a good location with a direct view of the entire sky?
On Mon, Apr 23, 2012 at 9:05 AM, Ed Mersich <wa6...@comcast.net> wrote: > I have been using a surplus Thunderbolt for about six months, and it seemed > to be working fine. In January 2012, a message came up in yellow, (LEAP > PENDING!), I don't know what this means, but since it didn't go away on Feb > 28, must not be leap year related. About a week ago I got a Holdover: xx > secs, message. It was a new figure in yellow. Yesterday the Thunderbolt > stopped working correctly, there were no satellites found. I tried Lady > Heather, and Trimble Studio without success. I finally got the unit back > in service with a program called "Tboltmon.exe". After it was running for > a > couple of hours I restarted Lady Heather. This morning I again have > "Holdover: 50 secs". > > > > Does it sound normal, or is this unit headed for the junk box? Sorry, I am > not very technical about this type of electronics. You can see a snapshot > of Lady Heather at: http://wa6rzw.homelinux.net/addon/fmt/fmt_2.php Any > comments or suggestions would be appreciated. 73 Ed, WA6RZW > > _______________________________________________ > 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. > -- Chris Albertson Redondo Beach, California _______________________________________________ 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.