[TowerTalk] Coax Loss

[Marlon K. Schafer]

Hiya Jim,

That'll really depend on a number of factors.

What frequency are you using?

What kind of cable is involved?

Here's a very slick calculator from www.timesmicrowave.com.  Almost all of 
the coax I use is LMR cable from them.
http://www.timesmicrowave.com/cgi-bin/calculate.pl

I don't know if Andrew or anyone else has a similar mechanism.

Hope that helps!
marlon

----- Original Message ----- 
From: "Jim Miller KG0KP" <JimMiller at STL-OnLine.Net>
To: "TOWERTALK Reflector" <TOWERTALK at contesting.com>
Sent: Thursday, February 04, 2010 8:38 AM
Subject: [TowerTalk] Coax Loss


>I have struggled with this and have seen it both ways.
>
> Take an example of 100 feet of some coax at 5 db loss.
> Is the loss at 200 feet 8 db or is it 10 db ????
> And is the loss at 50 feet 2 db or 2.5 db ????
>
> Thanks,
> 73, Jim
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