Thanks for further comments. Yes the internal counter cable is removed. I
should also have made clear that my tests have been on unkeyed transmitted
carrier, and have been with both the 100W pa on and off by appropriate
setting of the power control. I have recently checked the pa bias setting.
Tests were made via a 50 Ohm 50dB 100W load/pad.
Both K2's have the following options fitted: internal 100W pa, KAF2 filter,
160m, plus my K2 has the 60m board and the club's has the SSB board. I have
not attempted any SSB measurements and I have not tried removing the
options.
73 Fraser G4BJM
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