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KX1 20mtr tx okay but no 40 mtr tx

Posted by Jeff N3FYW on Oct 04, 2011; 12:57am
URL: http://elecraft.85.s1.nabble.com/KX1-20mtr-tx-okay-but-no-40-mtr-tx-tp6857207.html

I am in the process of completing my KX1 assembly and testing.  Everything has been working out fine until I was doing the transmission test.  With a factory transceiver nearby, 20 meter test works fine;  40 is a bust.  A good signal is heard at or about 14.100 mHz; none at 7.100 of anywhere on the band.  40 receives perfectly.  So, any suggestion where to look would be appreciated.  BTW, the toroids were purchased pre-wound and verfied before installation, but don't let that affect suggestions.   Thanks in advance.