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![]() Perhaps this is a dumb question Reg, but if the transmission line isn't there, how does RF get from the transmitter to the antenna? Thanks, ac6xg ============================= The 50-ohm line on which the SWR is supposed to be measured is between the transmitter and the so-called SWR meter. If the transmitter is connected directly to the meter, (as it usually is, very often it is inside the transmitter on the front panel) there is no line and no SWR on it which can be measured. Neverthess, the meter still provides a reading of SWR. Obviously it is telling lies and causes confusion and misunderstanding to novices about what is really happening within their equipment. In fact, just as it has been doing since Joker, Richard Clark, entered the thread. Some people force themselves to imagine a 1/4-wavelength transmission inside the little box in a vain endeavor to explain how an SWR meter works. Actually the meter indicates whether or not the transmitter is loaded with 50-ohms - and nothing else. It is an HF resistance bridge to which its circuit reduces. But, as I say, it is a very useful, almost indispensible instrument. It is a TLI. ---- Reg. |
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