As mentioned in today's RTL-SDR blog, the SDRuno diversity tuning can really help cancel out local sources of noise.https://www.rtl-sdr.com/a-demonstration-of-rspduo-diversity-being-used-to-cancel-local-interference/
Sounds like just the thing to use on 160 instead of the ridiculously overpriced NCC-2 from DXE. Anybody evaluated one yet?