This is one of those, "it depends" situations. Depending on the location of the
two center conductor insulators in the plug and socket, the serrated (toothed)
surface of the female connector might well contact the mating plug surface, if
there is a gap between the insulators. In fact the "tighten it with pliers"
crowd might actually be forcing this connection and mistakenly believing that
they are improving the connection via the threads.
Wes N7WS
On 9/17/2018 3:22 PM, Don Wilhelm wrote:
Chuck,
That is true, but is ignoring the fact that the threads of the PL259 are
providing the only contact with the SO239.
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