https://www.youtube.com/watch?v=dCeV2gBF3yc the sirens where testet of their functionality today

man that chloride gent is extremely loud for its size! amazing little poisoned dwarf

The first siren sounds electronic to me cause it has that typical allmost squarewave type of sound

i love how it scares the birds

https://www.youtube.com/watch?v=4qk2wrPla4A we had siren test today

but the whelen didnt shake the camera but the lrad did

https://www.youtube.com/watch?v=EnW-8G6KsE4 we had siren test today..

Snow is mostly a very resistand material when it comes to sound cause it doesnt move or goes away when an electronic siren sounds but its not the case with the sirens from finland. https://www.youtube.com/watch?v=EV6syvSUkjA as we can see here in this video the siren shakes the snow off at the end o...

switzerland has tested all sirens in the country today.
here are some videos:
https://www.youtube.com/watch?v=e4v65XJk-4g
https://www.youtube.com/watch?v=GnA4BRHqW4Q
https://www.youtube.com/watch?v=unO6fNHYkxs

https://www.youtube.com/watch?v=M6sEmExlqYk i recorded this ambiance today