For those with the old KLM 40 M 4 el. yagis, have a question.
Recently noticed the low SWR point suddenly shift to 8 MHz where before it
was perfect at 7.050 MHz. Any suggestions as to what might have broken?
Checked the feed system (phasing lines parallel to the boom with one cross
over) and saw nothing wrong there. Wondering if perhaps one of the two DE
suddenly have a disconnect and become shorter? Any one with similar
experiences? Thanks for the great help!
John, W0UN - any thoughts?
Regards,
Mark, K1RX
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