Build a Passive Radar With Software-Defined Radio
Cars That Think
OCTOBER 25, 2022
A reference antenna picks up a signal from, say, a cell tower, while a surveillance antenna is tuned to the same frequency. The reference and surveillance signals are compared. Building off the demand stimulated by this activity, a number of manufacturers have started making premium, but still relatively cheap, SDRs.
99 
Let's personalize your content