this post was submitted on 18 Dec 2023
155 points (90.2% liked)

things that are mildlyinteresting

690 readers
1 users here now

post things that are mildly interesting

founded 3 years ago
MODERATORS
 

None of the others in town have these, thought it was unusual enough to share

you are viewing a single comment's thread
view the rest of the comments
[โ€“] [email protected] 3 points 11 months ago (1 children)

It has to cover a parking lot full of radio signals from cars. They're probably just listening for "close enough".

[โ€“] [email protected] 5 points 11 months ago

It's more likely a buried loop antenna, like an invisible fence.