影片說明
Siren test in Garbsen, Germany on September 12, 2024. At 11 o'clock a rising and falling tone sounded for about 1 minute. The all-clear followed at 45 minutes later with a 1-minute continuous tone.
The test was carried out at maximum power, which is said to correspond to a volume of 118 dB at a distance of 30 meters. When the fire brigade is alerted, the siren is only operated at 98 dB.
Chapters:
0:00 - Warning
1:15 - All Clear
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