Just started to trace out the 15 Mhz signal internal to the ref1. Top of
board side near oven and rs422 connector are the power amplifiers and
output on off control for the 15 Mhz. The signal comes from the bottom of
the board. J8 is 5 Mhz.
So will need to take the board out to trace further.
Not looking forward to that task.
Regards
Paul
WB8TSL
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