Hi Dave,
My K3 shows an IMDR3 of between 110dB and 105dB with slight variations
from the upper to lower side. This with the 400Hz roofing filter and
400Hz DSP filter at spacings of 100, 50, 20, 15, 10, 5 and 2kHz on the
20m band. Last week our quick and dirty first look also gave us numbers
in the same ballpark: IMDR3 of 106db at 20 and 5kHz and 104db at a
spacing of 2kHz.
We did find some spurs, last week, which were coming from one of the HP
signal generators, which slightly confused us at first. The spurs were
very far down, but they were there.
vy 73 de toby
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