[TenTec] Orion II output power

Ron Castro ronc at sonic.net
Wed Jan 17 18:46:09 EST 2007


I have a Bird 43 with a 100 Watt slug in line and it shows exactly 100 Watts 
out on my O2 as adjusted from the factory.  That being said, measuring power 
with a high degree of accuracy (better than +-5%) is an art within itself 
and is effected by many factors.  I wouldn't put too much faith in meters on 
antenna tuners since their purpose in that application is more for a 
relative reading to help adjust tuner.  The cost of adding a really accurate 
meter that covers 1.8-30 MHz to a tuner would push the price higher than 
most hams would be willing to pay, and even then, the accuracy can be 
compromised by the load.

      Ron N6IE
 www.N6IE.com
(Formerly N6AHA)

----- Original Message ----- 
From: "John B. Egger" <john_egger at comcast.net>
To: "Discussion of Ten-Tec Equipment" <tentec at contesting.com>
Sent: Wednesday, January 17, 2007 3:34 PM
Subject: [TenTec] Orion II output power


> What are list members who have ways to measure output power accurately
> finding for their O2s? My MFJ 993B antenna tuner, when PWR is set at
> 100, generally reads around 120 FWD and a few watts reflected (when it
> doesn't reach 1:1). I'm sure individual rigs differ, but I'm curious
> what others are finding.
>
> --John K3GHH
>
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