[TowerTalk] Antenna interaction tests

Ian White GM3SEK g3sek at ifwtech.co.uk
Sun May 15 03:45:48 EDT 2005


K4SAV wrote:
>I am getting ready to mount a 4 element SteppIR at 55 ft, and an XM240 
>on the same mast only 5 feet above the SteppIR. I am concerned about 
>degrading the SteppIR.  I don't think there will be a problem degrading 
>the 40M antenna because I can always retract the SteppIR elements.
>
>Can any of you suggest some good tests to perform to see if the SteppIR 
>is being effected?

The whole point of the SteppIR is that you can REtune the element 
lengths to compensate for any detuning, and then store the new values as 
your default settings.

In other words, the best tools for this job are your PC and a modeling 
program such as EZNEC.


-- 
73 from Ian GM3SEK


More information about the TowerTalk mailing list