Federal Sign & Signal Thunderbolt 1003 | Short Alt Wail | Lake Bluff, IL - Siren Sound Off - 7/4/26

Siren - Federal Sign & Signal Thunderbolt 1003 Location - Lake Bluff, Illinois (Lake Bluff Fire Department) Testing - (Sometimes) First Tuesday at 10AM Date recorded - 7/4/26 Equipment Used - Canon Powershot SX60HS, DJI Mini 3, iPhone X Audio Source - Zoom H1n Enthusiast Present: ‪@thespiritstingray9359‬ ‪@firealarmexpert25‬ ‪@IonSirens‬ ‪@SirenDude1003‬ ‪@guitarssirens115‬ ‪@RamFett‬ ‪@TheSirenGeek‬ ‪@ILLINOISSIRENFAN‬ and others I can't remember the names of, Sorry. Please let me know if you were there, thanks!