Exactly Rick,
Network analysers offer the option to do just that.
In the field you reconnect the coax (regardless length/spec) from the antenna
and measure open circuit/short circuit/50 Ohm termination, engaged from the NA
menu.
That completely rules out the feedline and you are looking at the antenna
(only) from your shack (or wherever the NA is located).
Old HP NA's are bulky, but cheap nowadays.
So far, after upgrading from an MFJ to a Palstar to my current RIG-Expert
antenna analyser, I am pretty happy. My AA-54 is sweeping the pre-defined band
and shows all data I need.
Provided I take it outside off course.
many trees Mark, PA5MW
Op 04/19/13, Rick - DJ0IP / NJ0IP <Rick@DJ0IP.de> schreef:
> I think
> there are even analyzers that enable you to plug in the characteristics of
> the feedline and it adjusts its result to compensate for this, but I don't
> own one of those.
> (shore would make life easier!)
>
> 73
> Rick, DJ0IP
>
>
>
>
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