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echo: ham_tech
to: ROY WITT
from: IVY IVERSON
date: 1997-10-14 15:23:00
subject: High Gain Antennas for 2M

-=> On 10-13-97  08:06, Roy Witt said to Ivy Iverson,<=-
-=>"About High Gain Antennas for 2M...,"<=-
-=> 11 Oct 97 15:29, Ivy Iverson wrote to Roy Witt:
 
 RW> Hello Ivy.
 
Hi, Roy;
 
 RW>> Hmmm. Reminds me of an article on how to measure your antenna
 RW>> gain, that I saw just the other day...
 
 II> Interesting.  If you happen to run accross it again, and can
 II> find a way to get it to me, I would be interested seeing it.
 ...
 
 II> ... and a relative-reading meter which is one
 II> function of the CB SWR bridge that I modded for 2M.
 
 RW> That bridge will work.  If it's an omni antenna, you should get a
 RW> steady signal in all directions if you walk around the antenna while
 RW> you lock down the xmit  key on low power.  With a directional antenna,
 RW> you should be able to lay out on a graph paper the signal strength
 RW> readings and get an idea whether the antenna  is stronger off the front
 RW> vs skewed to one side, as in a gamma matched system. 
 
That will give a good idea of the pattern, but not for finding the gain
relative to a dipole.  I suppose I could set up a dipole and compare the
readings, though... a little difficult for me to read my current J-pole,
though, because it's up on the roof and I can't get to it.   :-{
 
 RW>> ... Don't look here, there aren't anymore taglines to steal.
 II> Aw heck, I've had THAT one for YEARS!  Got any origionals?   ;->
 RW> Yeah, but they're not suitable for this echo...:)
 
Ok, let's try these, (part of my HAM tagfile...)  Enjoy!   
 
73 DE KB9QPM
   Ivy
 
 
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      --
 
          ,-----> Ivy's WALL BBS Ä Home of Lakeshore Net <-----,
          |---------------> Ivy Iverson, KB9QPM <--------------|
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___ Blue Wave/QWK v2.20 [NR]
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* Origin: Ivy's WALL BBS - Sheboygan, WI 920-457-9255 (1:154/170)

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