I measured my K2 on 28 MHz 200 Hz bandwidth, CW mode as follows:
MDS: 28 MHz
Pre-amp off: -125 dBm
Pre-amp on: -133 dBm
I have a page at
http://www.cliftonlaboratories.com/k2_rx_sensitivity.htm discussing K2
sensitivity measurements and presenting the results for my K2 and also
results supplied by Stan, W5EWA, for his K2. Since we used different
signal generators, there's a calibration issue of course, but our
results were generally similar, except at 28 MHz where his receiver
measures hotter than mine.
Jack
www.cliftonlaboratories.com
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