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[Yaesu] FT-990 Folds Back Power on 40M

To: yaesu@contesting.com
Subject: [Yaesu] FT-990 Folds Back Power on 40M
From: <w1nk@cox.net>
Date: Sat, 23 Sep 2006 23:41:26 -0400
List-post: <mailto:yaesu@contesting.com>
This has me truly puzzled....

Last night and tonite during the CQWW RTTY contest, I noticed that my FT-990 is 
folding back power only on 40M RTTY.  I've watched my watt meter indicate 50, 
then 40 then 30 watts out.  Switch to CW, 100 W out.

Any other band is fine...100W out on RTTY (or any other mode for that matter).

The rig is running cool to the touch, the fan is kicking in appropriately... so 
I assume heat is not an issue.
Operating time seems to be a factor....in other words, prior to switching to 40 
I had been on 20 for about an hour or so.  This morning after the rig had 
"rested" overnight, I had 100W out on 40. 


Frank, W1NK
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