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Howard Kowall wrote:
Has anyone ever tried putting a dipole antenna up with the center insulator being a high power 50 ohm dummy load,then connecting the dipole elements across the dummy load. Yes. There was a commercial antenna quite a few years ago that did just that. I think QST did a review on it. It wasn't advertised as a resistor across the end of the coax, but they either tore the thing apart or X-rayed it, and there it was. This would always keep a suitable match at 50 ohms and satisfy the transceiver. Would most of the power go to the dummy load and not the elements and wouldn't radiate.In thinking about this it all logically makes sense the load would really never change or would it have some reactance with the dipole elements. I guess, But, and hold on to your hat... 50 ohms SWR is not an indication that an antenna works at all, much less that it works well! Imagine where the power is going to and what it is becoming. To the resistor, and it is becoming heat. Anything that is radiated is almost an accident. - 73 de Mike N3LI - |
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