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On Tue, 14 Jun 2005 12:30:48 -0500, Cecil Moore
wrote: Buck wrote: I seem to have been seeing a lot about the technology of the twin-lead tuning technology, but then I can't be sure it wasn't from the same people here on this forum. I'll continue to look into it to see what I might learn. The "twin-lead tuning technology" is based on the laws of physics, not the approval of the gurus on this newsgroup. I am not in a position to argue with either side on the issue. I am just doing my best to learn. Here is one lesson I learned in 25 years of ham radio, Either there is sufficient propagation for your station or there is not. Without propagation, a kw amp in a 12 element beam will not get you across the ocean, and if there is sufficient propagation, one can make a contact with a dummy load (I saw this demonstrated once on 75 meters). Probably the things I remember most about antennas is what I learned from the two Jims of Taylor Radio, a local antenna MFG company at the time. "More technological advancements have been made in marketing departments than in Research and Development." I realize that there are several here who actively disagree and discuss their disagreements with each other. I haven't seen any, so far, that are all BS and have no knowledge to offer. I don't criticize anyone, but I will ask, suggest, and offer opinions that I hope will be either corrected or supported appropriately. I have used experimental antennas that theoretically won't 'work' and made contacts. One was a roll of 500 foot of wire. I unrolled an estimated 1/4 wave of wire for 80 meters, on the first try it was 1.5:1 or less and I used it to check into the GA SSB net. I had a weak signal, but it worked. I also hung an inverted V with a random length of wire from each side (I don't remember the length, but they were both the same length.) I connected one side of the feedline and dipole to the left side of a 100ohm resistor and the other side of the feedline and dipole to the other side of the resistor. My theory was that the antenna would be a parallel circuit leaving the impedance below 100 ohms. I don't know if my theory worked, but I did make contacts. When I took down the antenna and replaced it with a shorter dipole, I had a much better receiver than I had with the resistor. I am always looking for that 'best' all-band hf antenna so I don't have to change or tune, etc. One day I'll either find it or die trying. Until then, I plan to enjoy learning more about antennas and experimenting with them. 73 for now Buck -- 73 for now Buck N4PGW |
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