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Re: [TowerTalk] Temporary 160 meter antenna question

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Temporary 160 meter antenna question
From: K4SAV <RadioIR@charter.net>
Date: Fri, 04 Aug 2006 21:01:46 -0500
List-post: <mailto:towertalk@contesting.com>
For your 1 day option of running an 80 meter dipole on 160, here is a 
piece of data for you.  Assuming an antenna height of 50 ft, if you are 
feeding the dipole with 100 ft of RG8X, loss in the coax on 160 meters 
will be approximately 18 dB.  For 100 watts in, you get 1.6 watts radiated.

Feeding it as a tee without a good ground will work better, but you will 
light up all your equipment.  I wouldn't run phone, you may need your 
lips for something later.

Jerry, K4SAV

RLVZ@aol.com wrote:

>Hi Guys,
> 
>For a temporary, 1-night, 160-meter antenna... please advise if there would  
>be much difference in performance between the following 2 options:
> 
>1) Load up a 80-m dipole on 160-m by running the RG-8  feedline through an 
>antenna tuner.  (unbalanced?)
> 
>2) Tie the rig end of the RG-8 coax together (center and shield tied  
>together) and run it through the antenna tuner.  The only ground available  
>for the an
>tenna tuner/rig will be a couple of ground rods tied to the electric  meter 
>which is 5' away from the rig.
> 
>It would be quicker for us to go with Option 1 for this 1-night radio  
>affair.  Neither option is very good but would Option 2 radiate  better... 
>perhaps 
>some vertical radiation off of the coax?
> 
>Thanks!
> 
>Dick- K9OM
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