--tune flag scans the band then tunes to a station using rtl_fm piped to aplay. Supports interactive station picker (--tune) or direct frequency (--tune 102.0).
Scans 87.5–108.0 MHz in 200 kHz bins, detects stations above the noise floor, and displays a ranked signal-strength table. Supports --json export, --threshold tuning, and --gain control.
