Radar, location alert: Listen & Download Radar, location alert .mp3 Error! Change your browser, please! ⇓ Download High frequency squeak ⚠ High frequency signal ⚠ Low frequency electronic signal ⚠ White noise ⚠ Interference Broadcasting ⚠ Electronic signal ⚠ Geiger counter ⚠ Radar, location alert ⚠ Morse code, welcome ⚠ Low frequency pulsing and humming signal ⚠ Low-frequency rumble, high-frequency squeak ⚠ Radio noise ⚠ ★★★★★