The annual full volume test of the Koeberg Nuclear Power Station Public Warning System, which includes sirens and a public address system, was performed between 10:00 and 12:00 on Tuesday 8 March 2023.<br /><br />“The duration of the test is approximately fifteen minutes per siren and consists of a voice clip indicating that a test is being performed, and the sound of the nuclear alarm (slow rising tone),” said Eskom.<br /><br />Koeberg’s warning system is installed in a 16-kilometre radius around the Nuclear Power Station – the Urgent Protective Action Zone (UPZ). The system is meant to warn residents in the event of an unlikely emergency at the station, said Eskom.<br /><br />This short clip was taken by my daughter, who lives near one of the sirens. This is what a resident nearby would typically hear from their home.<br /><br />More info at <a href="https://www.thesouthafrican.com/western-cape/breaking-koeberg-nuclear-power-station-public-warning-system-1-march-2022/" target="_blank" rel="nofollow">https://www.thesouthafrican.com/western-cape/breaking-koeberg-nuclear-power-station-public-warning-system-1-march-2022/</a><br />...<br /><a href="https://www.youtube.com/watch?v=WfUgBTTS6so" target="_blank" rel="nofollow">https://www.youtube.com/watch?v=WfUgBTTS6so</a>