More sensitivity testing on Basic_RX/USRP2 combo

I was able to produce a -98dBm signal today, and in a 5KHz bandwidth,
that signal produces a roughly 7dB increase in detector output
level, compared to nothing plugged in to the Basic_RX. So, the MDS,
is somewhere probably around -102dBm. Some of the best
HF receivers around can perform well at around -130dBm input signal,
so -102dBm isn’t that terribly bad considering there’s
no gain in front of the ADC.


Marcus L.
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org

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