[TowerTalk] Slinky-type antennas

[Tom Osborne]

Hi

There is already an antenna like this on the market.

http://www.radiomart.com/john_p__deal_of_the_day.htm

73
Tom W7WHY

> Has anyone here played around with a di-pole using 2 slinkys (not real 
> slinkys but looks like them)
> With a metalic bar in the middle of the coils part way down its length and 
> the rest of the length pvc.
> You could use a pully system (motorised or by hand) to change its length.
>
> Just brain storming.....
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