I had a similar problem last week Phil. I decided that the KPA3 was toast, so I pulled it out, inspected it with a magnifier for burns, cracks and other. I also took a close look at the tuner and tried the QRP transmitter. When I could find nothing wrong, I reinstalled the KPA3 and everything works (to the tune of a 70,448 160 meter score). The only thing that I can figure is that a pin or two on the drive side of the amp were not making good contact. My power setting reading was normal, but on CW the power quit increasing at about 40 watts out. My other theory is that it is a poltergeist.
Willis 'Cookie' Cooke
K5EWJ
________________________________
From: Phil LaMarche <
[hidden email]>
To: Elecraft Reflector <
[hidden email]>
Sent: Sun, January 31, 2010 10:10:27 AM
Subject: [Elecraft] HELP!
K3.....While barefoot and transmitting SSB, The power drops to zero. Start
over and only a few words before drop off. Turned off and on several times.
Any idea?
Phil
Philip LaMarche
LaMarche Enterprises, Inc.
www.w9dvm.com <
http://www.w9dvm.com/>
727-944-3226
FAX 727-937-8834
K3 #1605
CCA 98 00827
CRA 1701
W9DVM
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