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when storm clouds pass by. Almost a bacon-frying sound she says. NO rain or thunder... -Brian n8wrl ----- Original Message ----- From: "Francisco Costa" <fcosta@mail.telepac.pt> To: <Force12Talk@qth.com> Sent: Wednesday, June 26, 2002 6:24 PM Subject: [Force 12 Talk] Chirp-Chirp > 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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