SDR 64-1700MHz można zrobić z taniego tunera DVB-T :)

http://www.oz9aec.net/index.php/gnu-radio/gqrx-sdr (...) AM, FM and SSB receiver powered by GNU Radio and Qt. This version is a first cut at RTL2832U (RTL-SDR) device support. (...) repo GIT : https://github.com/phirsch/gqrx i jeszcze dobra strona o RTL-SDR : http://superkuh.com/gnuradio.html#gqrx_qtstuff

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