[TowerTalk] Hardline ?

[Gary Schafer]

> -----Original Message-----
> From: towertalk-bounces at contesting.com [mailto:towertalk-
> bounces at contesting.com] On Behalf Of Jim Brown
> Sent: Monday, April 20, 2009 5:03 PM
> To: towertalk at contesting.com
> Subject: Re: [TowerTalk] Hardline ?
> 
> Now, various beam antennas have been designed to be fed by 50 ohm coax,
> and
> that's the best choice for those antennas. BUT -- the WORST CASE
> additional
> loss due to a 1.5:1 VSWR is 0.18 dB, no matter how long the line, and
> 1.5:1
> is the SWR of 75 ohm coax with a 50 ohm load.
> 

I hate to start something here,, but where does the "0.18 dB additional loss
come from with any length of line"? 
Mismatch in and of itself does not necessarily represent loss.

73
Gary  K4FMX