Hal, Hal Murray skrev: >> Gaffa tape the cable to the supporting pipe with a small drip loop >> into the connector. > > That assumes the cable gets to the outside of the pipe. I was interested in > the case where the antenna sits directly on the top of the pipe (not a > bracket off to the side). > > Some antennas are setup with the coax connector on the inside of a place with > threads where the pipe attaches. The coax has to go up the inside of the > mounting pipe. You can also use a bracket, but it's setup for the > inside-the-pipe approach. > > Here is a drawing: > http://www.synergy-gps.com/images/stories/pdf/anttiming3000_tn888.pdf > > For a setup like that, I don't see how to get tape or anything else inside > the pipe, so the coax will end up hanging from the connector. > > So the question is how much coax can you hang from a connector? > > Clearly a foot or 3 is reasonable because you need that much for a drip loop. > How about 6 ft? 20 ft?
I use such an arrangement for a 1,5 m pipe. Such a drop is not a problem. I strain-relief the cable before dropping it further along the roof and over the edge. Judging from the strain on it as it comes in to the strain-releif, just the path over the roof takes away strain, but I beleive that winds might be the biggest problem. This is still in the quick and dirty department. Not as quick and dirty as another antenna up there... but I will have to wait until spring and a dry roof before I correct that... and the real fix needs some hardware work. Hmm. Maybe I should do that while waiting for it. I have two antennas in need of stable mounting. Hmm... :) Cheers, Magnus _______________________________________________ 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.
