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Wednesday 21 February 2018

home made groundplane antenna tests

I have recently fitted a new PL259 to the home made groundplane antenna after finding one, though I do intend to replace it with a crimp-on type, testing has not gone smoothly though.

Initial tests in the shack showed high SWR, initially this was traced to the RG213 feeder I'd used to add a bit of distance, this needs new PL259s as there is a short in one end (unsure which), removing this the antenna still appeared to be out of tune despite the fact the radials and radiating element all have had no length removed, testing this afternoon in the living room the SWR dropped, final tests will be conducted in the open.

I did, despite following procedure, not realise that I was testing on a frequency in use, I was advised of this and checked other frequencies as matter of course.

Testing will continue in the next few days given time all being well.

73 de 2E0EIJ

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