JZ,
Well, I am getting nowhere. All I see is noise, which is there whether I measure something or not, so I wonder if my old Tektronics 2246 has issues, although the 1kHz test measures fine. Not sure where to go next, short of just replacing chips or sending it off for repair ?
Interestingly, the rx sensitivity still seems very good, while the noise just keeps getting louder and more constant.?
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73, Dan? NM3A
