As long as the coax is not waterlogged and the braid is not corroded there will
be little to no change in loss factor for old coax - especially the solid
polyethylene center insulator... It may shrink slightly in diameter dropping
the surge impedance a couple of ohms (you won't even notice) and it will get
stiff... I had a couple of jumpers still in use in the shack from nearly 50
years ago that were like a piece of board... Usually a new set of PL-259's
and they are good for another 50 years... I tossed them out just recently
because they were too stiff to move around, but they still took 1500 watts
without complaint...
denny / k8do
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