Cecil Moore wrote:
John Smith wrote:
Somewhere, I read that the black plastic and grey conduit types
were
unsuitable for antenna construction.
And, if I remember correctly, it was (claimed) due to carbon in the
black
and metal oxide coloring in the grey...

Was this an old wives-tale?

The thin plastic irrigation tubing has close to infinite
resistance and stays cool in the microwave. It is used
as spacers in presently available open-wire transmission
line.

Cecil, who sells that line??

--
73, Cecil http://www.qsl.net/w5dxp

w3rv


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