These Are the video links
Video 1: https://youtu.be/AT8ctjUbIJ4
Video 2: https://youtu.be/mk81Q1Drw3M
Video 3: https://youtu.be/d_t93NL3Roo
Video 4: https://youtu.be/FbemVRN03OI
Video 5: https://youtu.be/YyiCzr80tOg
0:00 Introduction
0:10 FS Modulator Siren (Hi-Lo Tone)
0:20 Scary Ambulance Siren in Belgium
0:47 Ghost Ambulance Radio Station 690-AM, in Monterrey, Mexico.
1:35 4, FS Modulator Siren (Alternate Wail)
2:07 Fallout Air Reid Sirens