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[TowerTalk] Coax Loss

 To: [TowerTalk] Coax Loss "Wilson Lamb" Wilson Lamb , "Tower and HF antenna construction topics." Thu, 4 Feb 2010 14:06:59 -0500 mailto:towertalk@contesting.com>
 ```This might be a little easier if we remember that the dB expression refers to a multiplication. 10 dB loss means you multiply by 0.1. Thinking of it this way, and remembering that multiplication is accomplished by adding exponents (10^2 X 10^2=10^4), it's pretty easy to visualize that if we multiply by 0.1 on the first 100 ft, then we do it again on the second, 0.1 X 0.1=0.01, or down 20dB. Wilson W4BOH _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.contesting.com/mailman/listinfo/towertalk ```
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