New Zealand used a super creepy and disturbing signal to alert us of the covid lockdowns three years ago. With going into and out if lockdowns we heard it a few times. It is a very disturbing sound and took me completely by surprise. Then when I was in Oregon,USA recently they used the exact same alert sound to warn Lane County of a hail storm that was only in a isolated area.They have a system like that in place here in the UK too, and it was tested in April this year. I forgot about the heads up that it was going to be tested, so when my phone went off with that creepy, siren-like sound I nearly bounced off the ceiling. It was probably the most disturbing, ominous, and loudest (despite my sound volume being set to a very low setting) alarm I've ever heard, they really made sure to flick that paranoia switch all the way up! Luckily, I was at home, reading a book, that darn alarm was easily an accident risk for someone who was driving when it started.
Given the C's answer, I do wonder if some kind of activating signal was sent through the alarm. Having read the C's answer, and watched the video Mrs. Peel shared, I now regret I hadn't paid more attention and hadn't hidden my phone in another room on the day it was tested. Although living in a large city I'm probably exposed to lots of nefarious broadcasting anyway.
I assume they will be using this same signal nation wide on October 4th in USA. It seems New Zealand is always the first testing ground for various technologies and society wide “interventions” imposed by the PTB.
If the same signal and sound is being used around the world the frequency and pitch likely has specific significance somehow. Perhaps we should ask about that next session.