"Tom" wrote in message
...
I was thinking the same that there is some sort of cap or resister or
lightning protection shorting component between the center and threads on
that S0239 female connector. But why wouldn't there be continuity between
the center and the main 2.5m copper system that is inside that antenna? I
suppose once I check the SWR it will tell me that it was designed or
engineered that way if there is a suitable reading on the SWR. And my ohm
meter is simply a basic one. This antenna is old and seen a lot of years in
the air, so not worried and am wondering if there are any modifications I
can do to this antenna to make it more of a receiving antenna only for the
scanner. Thanks again,,,


Tom if you go here you will see why the ohmmeter shows what it does.
http://xoomer.virgilio.it/ham-radio-manuals/a99.pdf

Notice the coils between the shield and center of the coax, and then the
capacitors between the coax and actual antenna element.

This may or may not be the case of the antenna you have as I do not know
what is acutually inside it.