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#11
May 9th 07, 06:59 PM
posted to rec.radio.amateur.antenna
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20 dB gain on 20 meters?!?
On 8 May, 11:32, wrote:
On Tue, 08 May 2007 17:53:49 GMT, wrote: On Tue, 8 May 2007 16:47:56 GMT, "R. Scott" wrote: "John, N9JG" wrote in message s.net... Yes, he spent a few bucks on this project! http://www.1982crew.com/PHP-Nuke/PDF/K9LTN.pdf my question is Why ? 1500W * 100 (20db gain)= 20,000W ERP Gak! typo.... 1500W * 100 (20db gain)= 150,000W ERP not allowing for feed line loss and I saw heliax there so it should be low. Even if it's off by 3db 75,000 is a huge number. Allison With that you can work backscatter and really weak signals that would be missed with lesser antenna. Propagation is not a switch it's more like sahes of gray from nne at all to weak. I mean he has the ability to do it obviously, and the technical to do it yes. But Why. Is it that much more over a standard 4 elem steppir at say 70 FT. It wont open propagation that isn't there ? Yes, much more and with narrow beamwidth other noises are less an issue. People have ben doing this for years at VHF/UHF and those that do are heard, seriously heard. Must have cost a mint.. Allison- Hide quoted text - - Show quoted text - |
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