I spoke with a friend about this yesterday who was in the area and has done quite a bit using SDR as a radio amateur. He passed along these links: https://etd.ohiolink.edu/apexprod/rws_etd/send_file/send?accession=wright1608139109925131&disposition=inline https://www.rtl-sdr.com/using-an-rtl-sdr-rf-fingerprinting-and-deep-learning-to-authenticate-rf-devices/ https://www.rtl-sdr.com/identifying-transmitters-with-ctcss-fingerprinting/ The second link is interesting as it focuses on RF devices that are commonly found such as IoT sensors, keyfobs, and other common RF transmitting devices beyond two-way radio transmitters. In other words, this tech should have applicability in network security, to bring it back on topic a bit. - Nate -- "The optimist proclaims that we live in the best of all possible worlds. The pessimist fears this is true." Web: https://www.n0nb.us Projects: https://github.com/N0NB GPG fingerprint: 82D6 4F6B 0E67 CD41 F689 BBA6 FB2C 5130 D55A 8819
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