At the BBC, the " radio alert transmission system" (Rats) , will be activated — a cold war-era alarm designed to withstand an attack on the nation's infrastructure.
The operator of the national grid says disruptions in the transmission system in northern Chile cut power supplies from the northern Arica region to Los Lagos in the south.
The trick is getting close enough, the crop dusters are loud enough to be heard half a kilometre away, so the team installs quieter transmission systems and rotors.
I need a, in the microwave, a power plant somewhere in my region is, you know, increasing ever so slightly, and then it's moving onto the transmission system.
That was true in the 1970s when engineers in LA were deciding how to expand their transmission system and deliver power from the Scattergood power plant to the Olympic substation near Santa Monica.