What now? Like so often: Sun Tzu already said: But in practice, even the HackRF can only observe a 20 MHz wide strip of the complete spectrum at one time, so we would have to “scan” through the whole spectrum in 20 MHz steps to cover what we can with a HackRF, between 10 MHz and 6 GHz. ![]() ![]() Per definition the RF band stretches from 3 kHz to 300 GHz, so, theoretically, our signal candidate could be anywhere in there.
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