K2 --- Park Portable Antenna

Hi Vic;
 Your advice of launching a long wire into tree punched my "lets do
something" button. I think I'll take my K2 out to the park next week and
try getting on the air with a tree vertical as you suggested. Twenty
meters should have some life in it and with this in mind, what form would
this simple antenna system take? I have a KAT100 which I could take along
to match it.

Regards, Bob K7hbg




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[Vic K2VCO]

[hidden email] wrote:
> Hi Vic;
>  Your advice of launching a long wire into tree punched my "lets do
> something" button. I think I'll take my K2 out to the park next week and
> try getting on the air with a tree vertical as you suggested. Twenty
> meters should have some life in it and with this in mind, what form would
> this simple antenna system take? I have a KAT100 which I could take along
> to match it.

The KAT100 will match almost anything, but an odd number of
quarter-wavelengths will produce a reasonable impedance for a random
wire antenna with less likelihood of making the radio 'hot' for RF. Then
you should also attach a counterpoise to the ground terminal; this could
be 16 ft (5M) or so of wire thrown on the ground.

You might get better results with a dipole, but this is about the
simplest antenna there is and it will probably work better than small
loaded verticals, etc.
--
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco
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[Brian Lloyd-6]

On Jul 6, 2008, at 5:37 PM, [hidden email] wrote:

> Hi Vic;
> Your advice of launching a long wire into tree punched my "lets do
> something" button. I think I'll take my K2 out to the park next week  
> and
> try getting on the air with a tree vertical as you suggested. Twenty
> meters should have some life in it and with this in mind, what form  
> would
> this simple antenna system take? I have a KAT100 which I could take  
> along
> to match it.

I have done this. I use a 40' piece of wire with nylon line tied to  
the end. A monkey-fist around a tennis ball makes a dandy throwing-
thing to get the line over a tree branch. I then string out a 45'  
piece of wire as a counterpoise. Works just dandy.

--

73 de Brian, WB6RQN
Brian Lloyd - brian HYPHEN wb6rqn AT lloyd DOT com



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