Re:Control EMI, Don’t Dump Am Receivers
by officeplant on Monday April 03, 2023 @04:03PM
(#35430441)
>Various DOTs have AM radio transmitters for PSAs.
Yep, we've got hurricane routing signs everywhere that also mention what frequency to tune into.
* https://news.ycombinator.com/item?id=35416627
Generally traffic/weather/emergency information, especially less populated regions, and remote regions (e.g., mountains) that get no other kind of signal. Various DOTs have AM radio transmitters for PSAs.