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Tarmo Tammaru wrote:
Amen to that. I turned down the power on my transmitter, and measured P forward and P rev while feeding about 100 feet of unterminated 9913. I then REMOVED the coax; i.e. there was nothing connected to the output side of the meter. Still measured the same Pf and Pr. (Daiwa meter) Of course, you were simply getting a same-cycle reflection. The reflected wave model is consistent. If the open-circuit is at the transmitter terminal, all the power is reflected immediately. -- 73, Cecil http://www.qsl.net/w5dxp -----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World! -----== Over 100,000 Newsgroups - 19 Different Servers! =----- |
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#2
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Cecil,
I don't have a schematic for the Daiwa. So, I don't really know what it was measuring; but, I think more than likely, the voltage that reached the meter. If the scale were calibrated in gallons per minute, I might have read 2.5 gallons per minute. Tam/WB2TT "Cecil Moore" wrote in message ... Tarmo Tammaru wrote: Amen to that. I turned down the power on my transmitter, and measured P forward and P rev while feeding about 100 feet of unterminated 9913. I then REMOVED the coax; i.e. there was nothing connected to the output side of the meter. Still measured the same Pf and Pr. (Daiwa meter) Of course, you were simply getting a same-cycle reflection. The reflected wave model is consistent. If the open-circuit is at the transmitter terminal, all the power is reflected immediately. -- 73, Cecil http://www.qsl.net/w5dxp -----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World! -----== Over 100,000 Newsgroups - 19 Different Servers! =----- |
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