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Re: [TowerTalk] Tower location and house noise

To: jim@xxxxxxxxxxxxxxxxxxxxx
Subject: Re: [TowerTalk] Tower location and house noise
From: John Sloop <hawkeye78299@xxxxxxxxx>
Date: Wed, 24 May 2017 13:40:15 -0500
List-post: <mailto:towertalk@contesting.com>
Have you considered open wire?

Sent from my iPhone
John S.

> On May 24, 2017, at 12:45 PM, Jim Brown <jim@xxxxxxxxxxxxxxxxxxxxx> wrote:
> 
>> On Tue,5/23/2017 7:33 PM, Ken wrote:
>> I have plenty of room for antennas, I have 128 acres here.  I could try 
>> putting something up 500' away but I figure the feedline losses would do me 
>> in. 
> 
> Exactly how did you do that "figuring?" Did it involve doing the relatively 
> simple math of looking at loss data vs frequency for feedline that you could 
> afford to purchase? Or were you just assuming the greater loss? The matched 
> loss of 500 ft of low loss RG8 (Belden 9913, Times LMR400) is less than 0.75 
> dB on 160M, only 1 dB on 80M, and 1.5 dB on 40M.
> 
> OR -- should you keep your TX antennas closer to the shack but add RX 
> antennas in parts of your property that are quieter? There, feedline loss 
> doesn't matter, and we can use low cost CATV coax to feed them. I can buy 
> 1,000 ft of Commscope flooded RG6 for $100
> 
> https://www.amazon.com/COMMSCOPE-Professional-Underground-COAXIAL-Coated/dp/B00TBWWCT0/ref=sr_1_1?ie=UTF8&qid=1495647714&sr=8-1&keywords=commscope+rg6+flooded
> 
> I have several thousand feet of it running through my woods to RX antennas. 
> This is excellent cable, easy to pull, and seems to be rodent-proof (they 
> don't like the flooding material).
> 
> 73, Jim K9YC
> 
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