Robert11 wrote:
It appears that when factoring in the PE requirement, and certainly price, I
can do better, apparently, by picking a 75 ohm coax than a 50 ohm one.

I use a lot of 75 ohm coax that I get for free from scrap
ends from the local cable TV company. Can't beat that price.
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73, Cecil http://www.qsl.net/w5dxp