Posted by
Cookie on
Mar 13, 2012; 6:51pm
URL: http://elecraft.85.s1.nabble.com/KX3-and-Data-modes-tp7369142p7369534.html
Since Bird does not advertise a 25H, I don't know what that is and as far as I know they have never made a 25 watt element that is for HF. They do make a 25A,B,C,D &E which cover 25 to 1000 mHz in 5 bands, but the lowest element for HF is the 50H. A 25H would imply a 25 watt 2-30 mHz element which may have been manufactured during the 70 or more years since the Bird 43 came out in which case the range would be 10.25 to 12.5 watts if the element and meter are in spec. The current Bird chart states that a 25 watt element is not available.
Willis 'Cookie' Cooke
K5EWJ & Trustee N5BPS, USS Cavalla, USS Stewart
________________________________
From: Doug Smith <
[hidden email]>
To:
[hidden email]
Sent: Tuesday, March 13, 2012 1:33 PM
Subject: Re: [Elecraft] KX3 and Data modes
I think he stated earlier that he was using a freshly calibrated 25H
element.
73,
-Doug, W7KF
http://www.w7kf.comOn 03/13/2012 12:24 PM, WILLIS COOKE wrote:
> How do you know that the Bird measurement is actually 11.5 watts? The accuracy claimed by Bird for a new element is +/- 5% of full scale. If you have a 50 watt element your reading is between 9 and 14 watts. If you have a 100 watt element it is between 6.5 and 16.5 watts.
>
> Willis 'Cookie' Cooke
> K5EWJ& Trustee N5BPS, USS Cavalla, USS Stewart
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