Topband: a meaningful test ?

[Neil Carr G0JHC]

I want to quickly determine if my TX ant is coupling noise into my rx ant(s)
they are all rather close.

 

I devised a simple test .. fitting a two way switch on the tx ant  one side
of it shorted. I then checked the noise floor on the rx ants  with the
switch in both positions, ie, with a resonant TX ant in position 1 and a
dead short in position 2, No difference at all.

 

Was this a meaningful test or have I missed something?

 

Neil G0JHC