Hook up a HackRF One, catch your first signals, then explore. No photos yet; reshoot pending.
lsusb | grep -i hackrf
hackrf_infoRun these to confirm the device is seen and responding.
When the spectrum waterfall opens, it’s like a window: bright spikes, shimmering bands, hidden voices everywhere.
Easy first success.
NOAA APT passes.
Tower and traffic.
Packet beacons.
Time/frequency refs.
Aircraft tracking.