Have you no shame? - OGSF 5G | EPRHA 2.0

[LionKing]

Idk if I'm getting paranoid or what, but yesterday as I was walking past this department store at night I heard this loud high-pitched sound. At first I though maybe my ears are ringing from too much US use, but that wasn't it. I know there are speakers covering that whole outside area, because they sometimes play some sucky tunes out of them. So I took out my phone and Frequensee shows me a spike @ 20kHz - a little higher than IML subs. I then went through the same place today at daylight and yeah it was still there, I just hadn't noticed it before over the normal sounds of traffic. Here's what I was getting today:



Weird, huh?