[Elecraft] K3 SWR Accuracy - reprise
Kok Chen
chen at mac.com
Wed Nov 4 19:55:59 EST 2009
On Nov 4, 2009, at 4:41 PM, Steve Ellington wrote:
> 4. Example: A full wave dipole center fed with 50 ohm coax. SWR reads
> infinite at the antenna but with 1/4 wavelenth of coax, SWR reads low!
Nope -- the *impedance* at the end of a 1/4 wave transmission line
when it is looking at a very large impedance, is close to zero,
therefore the SWR remains close to infinite. The SWR definitely won't
read low unless there is something wrong with the instrument.
73
Chen, W7AY
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