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#18
June 2nd 09, 09:59 AM
posted to rec.radio.amateur.antenna
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SWR variation with feedline length
Again, the typical SWR meters we use do *not* measure the SWR on any
transmission line, except (indirectly) the SWR on the short line within the instrument -- if it even contains such a line, which some don't. I don't know of any way to directly measure the SWR on an intact coaxial line, only on a slotted line. The SWR on a coax line can readily be calculated, however, from measurements it is possible to make. Roy Lewallen, W7EL |
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