May be it will be interesting for your brain storming: slinkys loop. see
_http://www.antentop.org/_ (http://www.antentop.org/)
antentop 01- 2004, Helical Loop Antenna for the 20-meters Band
73, Igor, RK3ZK/VA3ZNW
In a message dated 16.12.2005 17:51:00 Eastern Standard Time,
merlin-7@sc.rr.com writes:
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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