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December 10th 04, 11:01 PM
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tianli wrote: You've missed the point, as I stated earlier! I use an antenna tuner also. An old Johnson Matchbox. Yes, it indeed will raise up a very week signal which may not even be audible without a tuner. What is occurring is that the tuner will facilitate the transfer of energy from a large impedance (Z) mismatch between the antenna and the receiver when the receiver is tuned far off from the antenna's resonance frequency. The drawback is that you will have to "tune" the tuner each time you change bands. It has nothing to do with static and noise. The tuner will simply optimize the signal transfer , including noise, between the antenna/feedline and receiver. Sometimes this is all that may be required to "hear" the signal which otherwise would be completely lost from the large impedance mismatch. Yep, you got it! dxAce Michigan USA |
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