Look at it as less than 1 dB difference. That's 1/6 of an S-unit, which is
insignificant.
The 270 ft of Belden is "better" since you avoid additional connectors and
their additional loss and failure modes (though also very small).
Bill, N3RR
----- Original Message -----
From: <Barockteer@aol.com>
To: ""Bruce Makas"" <k1my@msn.com>; ""Towertalk submital""
<towertalk@contesting.com>
Sent: Tuesday, May 28, 2002 7:29 PM
Subject: Re: [Towertalk] Really dumb question on coax
> Well, lets see:
>
> 2.16 dB loss => 60.8% power delivered to load
> 1.40 dB loss => 72.4% power delivered to load
>
> assuming 1500 watts in, the difference is 174 watts. Look at it this way,
if you use the lower loss feedline, your 1326 watt SB-220 looks the same as
a 1500 watt Acom 2000 with the higher loss feed....
>
> -Tony, K1KP
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