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Re: [TowerTalk] Coax Line Loss

Subject: Re: [TowerTalk] Coax Line Loss
From: Jim Lux <>
Date: Sat, 12 Apr 2008 14:50:42 -0700
List-post: <">> wrote:
> I have 150 feet of 15 year-old Rg-214 still up. I measured the power
> in at 50W and the power out (at the other end) at 36.6W using a dummy
> load terminator of 50 ohms. As it still good or should I change it? I
> would be interested in the calcs. I already did mine but want to be
> sure. Thank you.?? Geoff, K6TFZ 
> _______________________________________________
What frequency?

For RG-213 (which is quite similar, 214 just has a double shield)...

at14 Mhz, 150 ft has about 1.1dB of loss, so you'd get 38.7W at the load 
with 50W in..  That's pretty close to what you got..


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