Is this a network tower or something else?

[blunt]

In the spirit of "Tiny tower spotted" I figured I'd ask this here.

Saw a lot of these driving around Melkbosstrand.

What are they?

 

[cavedog]

Those looks like air horns... Koeberg?

 

[blunt]

Those looks like air horns... Koeberg?

loads of them in melkbos.. i guess it could be.. koeberg is right there

 

[cavedog]

loads of them in melkbos.. i guess it could be.. koeberg is right there

Definitely looks like one of them.

 

[blunt]

Definitely looks like one of them.

interesting, very sci-fi / apocalypsey

 

[Rickster]

"In Cape Town, South Africa, several modulator sirens are installed which use their standard wail tone to alert citizens in the Melkbosstrand (of which Van Riebeeckstrand is part of), Duynefontein, Blaauwberg (of which Bloubergrant, West Beach, Blouberg Sands, and Sunningdale are part of), Table View, Robben Island, Atlantis, Philadelphia and Parklands areas in case of any emergency which can occur at the Koeberg Nuclear Power Station.[4] These modulators are tested for about an hour annually on the first Wednesday of March during a so-called "Full Volume Siren Test" using a preset female voice (which reads "This is only a test; there is no need to take any action. This is only a test; there is no need to take any action. I repeat: this is only a test; there is no need to take any action. Listen to Good Hope FM or Kfm for further information")"

Anyone in Melkboss able to do a recording on the 3rd of March?