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Old March 9th 11, 03:49 AM posted to rec.radio.amateur.boatanchors
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Default Heathkit - SB-200 Problem - Help!

My SB-200 works perfectly 80-15 meters. 10 M opened the other day and
I found the SB-200 would not tune. Within 30 seconds one of the
572B's blew out and the breakers both tripped. My exciter, when used
without the SB-200, tunes perfectly on 10 - very low SWR, etc. - so
it's not an antenna issue.
It's got me stumped. Built the linear in 1970 and never had a problem
til this.
Tnx - Harry
 
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