ACA P-50 (Broken Rotator) | Alert & Attack | Milwaukee, WI | Milwaukee Co. Siren Test | Sep 10, 2025

This is for all the synth fabricators out there! If you ever have the opportunity to stand in front of a unidirectional Cyclone, I would highly recommend. I decided to take a complete shot in the dark and gamble with the P-50 at Jackson Park, which has a broken rotator. Via pre-test reconnaissance, I found a suitable, and open, municipal parking lot "just" north of Jackson Park, given that the siren was facing largely north. During the wind down, I made the low resolution mess of a main shot even lesser resolution in hopes that the chopper would be visible like it is in the uncompressed video. This, of course, backfired. You can almost imagine it through the YouTube compression lol. Additionally, I really wish I had spent an extra 2 minutes to try to find somewhere where there wouldn't be power lines in my shots. Eh well. Also, if you would like the raw audio from of my Canon's built in microphone, which is miraculously almost clean and is probably less processed than the audio captured by my phone, drop a comment and let me know. Fun Facts: Siren: Alerting Communicators of America Penetrator-50 (broken rotator edition) Signal(s): Alert, Attack Location: Jackson Park (42.998568, -87.963765) Local Municipality: City of Milwaukee County: Milwaukee County, Wisconsin Date Recorded: September 10th, 2025 Testing Time(s): Milwaukee County tests their sirens on the 2nd Wednesday of every month at 12:00 PM, weather permitting Time of Activation: 12:00:28 PM Distance from Pole: ~1,230 feet (0.23 mi) Maximum Recorded SPL (@ ~1,230ft): 107.2 dBC Main Shot Video: Canon EOS Rebel T2i Wide Angle Video & Audio: iPhone 11 Pro Other Sirens Heard: N/A Enthusiasts Present: N/A You can use this content as long as I am credited.