[Antennas] Need Ideas

[Jim Miller KG0KP]

It is going to depend mostly on the terrain as for the extended range. 
However, once you are in the clearest location available to you wherever you 
are, the tape measure beam might just be an excellent option for you.

It is typically a 3 element beam build from cut up tape measures and pvc or 
any other lighter weight non-conductive material (smaller, lighter 
electrical style "pvc"?). In transport, the tape measure elements are rolled 
up into a roll at the boom and tied (paperclips, tiny bungee cord, pony tail 
rubber bands, anything handy).  The boom does not need to be glued at all 
joints (leave a joint near the center unglued so it can be disconnected 
there and shortened for transport.  i.e.. a super light very compact antenna 
that just about cannot be damaged because the elements are totally flexible 
in all directions. Attach a 2 or 3 ft piece of coax and the proper HT 
connector and you have it.

http://theleggios.net/wb2hol/projects/rdf/tape_bm.htm

We had an antenna range set up at a field day and the a tape measure beam 
WON.  They aren't very cute but they are indestructible and lightweight and 
work well. I use mine for foxhunts because you can jam them in the backseat 
and yank it back out without hurting it.  Try that with an aluminum beam and 
you will have junk by the end of the hunt.

73, de Jim KG0KP

----- Original Message ----- 
From: "Ken" <n4zed at comcast.net>
To: <antennas at mailman.qth.net>
Sent: Thursday, December 02, 2010 6:19 PM
Subject: [Antennas] Need Ideas


>I have a friend that is a voluntary emergency worker. He wants to have some 
>way to extend the range of his HT while working in the back country/ 
>mountains. The frequency is close to 2m, I will get that information when I 
>start the calculations.
>
> The antenna must fit in a back pack when not in use and not be the only 
> thing in there.
> Something easy and quick to set up/through up and take down.
>
> I would like to have a reliable homebrew for him.
>
> YAGI?
> Dipole?
>
>
> Ideas ??
>
>
> Ken
> N4zed
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