[Elecraft] SWR, Transmission lines and Antenna Matching

[k6se@juno.com]

Larry, W1HUE/7 wrote:

"If one uses a "reflectometer" to measure forward and reflected power on
a relatively loss-less transmission line, it matters not where the
measurement is done along the transmission line -- one will still get the
correct SWR."
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True only if the antenna is matched to the feedline, i.e., the SWR is
1:1.

If the SWR is higher, then the minimum SWR reading is correct (depending
on the accuracy of the meter) only if the meter is placed in the feedline
at a multiple of 1/2 waves from the antenna.

73, de Earl, K6SE