wrote in message
...
Thanks guys... Some of these ideas might work. Sorry, I should have
given more details... It's basically receive antennas in the 1000 MHz
range, and I don't have access to the transmitters that will be used
with them. I'm just trying to find a way to see where they're tuned
and then be able to tune them if they're off. So if I went with an SWR
meter, maybe there's an easy way to generate a signal to use that? I
have an Autek that goes to 500 MHz. Somebody mentioned using a
frequency doubler, but I'm not sure how that would work.

Hi

It has been my experience that the input impedance to the antenna can be
fairly well predictated by EZNEC is you are able to describe the antenna to
the program.

Jerry KD6JDJ