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Was the wind blowing? If so, maybe it was inducing static electricity that was then arcing. If so, be glad you didn't climb the tower. =^0 --Mike At 11:24 PM 6/26/2002 +0100, Francisco Costa wrote: >Hi All > >About two weeks ago, the day before I went on holidays, >as usual, I disconnected all antennas from my radios. >(This allow me to have a more relaxed vacation :0) >Without coincidence, later that same day, very dark clouds >sudenly appeard and promised a storm. But despite some >rain drops, no thunder or lightning was observed. >However a (very) wierd thing was noted: when those dark >clouds were forming, on my back yard a strange sound >come out of no where! >First it sound like a "clik", but then sounded more like a >"chirp". The cadence wasn't constant, but during a brief >period it was less than a second, like: "chirp-chirp-chirp". >I look around for the source of the sound and it lead me >to my new self suported 15m tower. On top there are >3 antennas: 5 elem 6m and 21 elem 2m yagi from Tonna, >and a Force 12 C4XL. I was about to climb to the top >to check exactly the origin of the sound, but for obvious >reasons I gave up the idea. Even so, I'm preety sure the >sound came from the C4XL. But I don't understand why! >I never have "seen" this kind of efect on an antenna. >Have you? Do you have a reasonable explanation for this? >If you, I really apreciate your help. >Thanks in advance. > >Best 73 >F.Costa, CT1EAT >http://www.qsl.net/ct1eat > >P.S. FYI the tower has a good earth (8.9 Ohm, last measured) > > > >-------------------------------------------- >Force12Talk mailing list provided as a service by Force 12 Antennas, Inc. >Force12 Web Site: http://www.force12inc.com > >To Submit Message to the List: Force12Talk@qth.com >To unsubscribe and view the Message Archive: see http://qth.com/force12/list >For problems with the list: contact n4zr@qth.com -------------------------------------------- Force12Talk mailing list provided as a service by Force 12 Antennas, Inc. Force12 Web Site: http://www.force12inc.com To Submit Message to the List: Force12Talk@qth.com To unsubscribe and view the Message Archive: see http://qth.com/force12/list For problems with the list: contact n4zr@qth.com |
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