My new boards arrived today. I popped one into the K3 for some testing. I was
especially interested
in the low frequency performance as I like to DX the LF broadcasts from 153 to
279 kHz. What I found
was that below 400 kHz, the noise level rises and at 100 kHz it's almost 20 over
9 on the S meter!
I calibrated my NaP3 spectrum analyzer program and took some measurements of the
noise level.
500 kHz -127 dbm
400 -127
300 -124
200 -113
100 -93
That's a 34 db increase in noise level!! Is this the way the new boards are
supposed to work?
I expected a decrease in sensitivity below 500 kHz but not this. Any ideas?
73, Roger
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