Freesound - "old radio Channel search sound effect" by Garuda1982
Radio Static Tuning Sound Effects - YouTube
Radio Noise Sound Effect [FREE DOWNLOAD] - YouTube
BBC Sound Effects
Sound Effect.Station.Web.Game.Film.Radio Sound Effects of Every Day Sounds Effects EFX Sfx FX Natural Ambience Sounds Train Stations - song and lyrics by West Side Sound Effects | Spotify
Am Radio Sound Effects - 9 Am Radio sounds for SFX projects | Pond5