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Nice test, except I would encourage you to mark several lines on the tarmac so you can roll 1/8wave closer / farther (from both simultaneously) at a time, (and up to perhaps even several 1/4 wave lengths) to make sure you're not in a null to one or the other, (which will of course skew your test results) then compare the highest reading from both.


- On the SigmaIV, was it 26' 7" or 27' 7"?


And are you certain the SS amp isn't providing well over 100w-150w PEP on SSB?


...had an FT-900, nice rig, basically an FT-890 inside.