Stan,
The transmission line acts as an impedance transformer, so no one else
can duplicate the performance and matching capability of your antenna
unless you specify the feedline length.
For the same reason, if you extend your 450 ohm line, you may create
some impedances that could be diffic
For several years, I've been using my multiband non-resonant 94'
doublet, fed with a short run of 450 ohm window line, to a remotely
mounted SG234 autocoupler and then a 25 foot run of 50 ohm coax to my
KX3.
Has been working with perfection; no complaints, except I cannot operate
QRP below 3
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