Path: agate!ames!titan.ksc.nasa.gov!titan.ksc.nasa.gov!nntp
Newsgroups: rec.radio.amateur.antenna,rec.radio.amateur.equipment,rec.radio.amat
eur.homebrew,rec.radio.amateur.misc
Subject: Re: Portable 2m Antenna for Mountaineering???
Message-ID: <1994Jan12.092451.1134@titan.ksc.nasa.gov>
From: Nguyent@snowmass.ksc.nasa.gov (Tom)
Date: 12 Jan 94 09:24:50 EST
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David,

Try a rolled up J-pole.  It's made of 300 Ohm Twin lead and tapped with a 
50 Ohm coax with BNC connector on opposite end.  It provides about 2.8dB
gain.  You can buy the ant from MFJ for  about $12 or build it yourself.  
The dimensions are below:
    -- for 146MHz center freq
                     |  
                     |
                     |
                     |
      this side	     |
           56"       |         
                     | | <---------------------------- trim  here for best SWR.
                     | |        14" on this side 
                     | |
       coax====- -  1-3/4"   tap from bottom
                     | |
                     ---

I've experimented with lots of these  with good results (built about 30 or so 
for myself, friends, and local HAM classes).

Good luck and 73,
Tom
AD4NA