<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Interesting problem: Once it warms up it produces a pulsing tone, perhaps a slow motor boating. After several minutes it trips the circuit breaker. Tubes have been checked, had their pins and sockets cleaned and are in their right sockets. Tone on all bands. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thoughts?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Gary H. Harmon, Jr. - K5JWK - HAM Radio Archaeologist<o:p></o:p></p><p class=MsoNormal>6003 Archwood<o:p></o:p></p><p class=MsoNormal>San Antonio, TX 78239-1504<o:p></o:p></p><p class=MsoNormal>210.657.1549h / 210.884.6926c/t<o:p></o:p></p><p class=MsoNormal>gharmon (at) idworld.net<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Too many projects - Not enough time!<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>"Retirement = Every day is a Saturday except Sunday"<o:p></o:p></p><p class=MsoNormal>http://www.grissomroadcoc.org<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>