[Paddlewise] VHF Antenna

From: Peter Rattenbury <ratten_at_uow.edu.au>
Date: Wed, 21 Apr 2004 09:59:27 +1000
	Hi Michael, Dallas,  Peter and others interested in this topic...

	That J Pole design you posted looks good Michael, but probably is most
suitable as a shore rig wouldn't you think?  But  I guess you could hang it
off a paddle or similar.   Obviously these antennas should be vertical. I am
not sure if everyone realises that VHF transmissions  assume  vertical
antennae,  and that includes the rubber duckys.   Forget those TV shows
where you see cops whispering into their handhelds with the antennae in the
horizontal...!!!
	On that topic, the Shakespeare Antenna website used to have an audio link
where you could listen to the difference between one of their whip antenna
working on a yacht rolling around at sea,  compared with another type of
whip antenna which did not have the capability to receive signals as
efficiently off the vertical.   Interesting comparison.
	Back to the J Pole,  I would carry it as a rig to use at a camp site where
I could hoist it high and where corrosion problems wouldn't be as much an
issue.  It would be interesting to trial it against the coax stripback.

Cheers, PeterR,  Wollongong.
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Received on Tue Apr 20 2004 - 17:02:44 PDT

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