5 ms·
It does. It uses a specific band on the electro magnetic spectrum commonly supported by most receivers
by barbariangrunge 2y ago
It does. It uses a specific band on the electro magnetic spectrum commonly supported by most receivers
- jazzyjackson 2y agohm? Are you mixed up with Transit Signal Priority where Muni can request the light stay green a little longer? I've never heard of the lights transmitting their timing This article from SFMTA erroneously states that the busses use "GPS to communicate with the traffic signal", lol, what is the actual band used ? https://www.sfmta.com/blog/green-lights-muni https://www.sfmta.com/blog/green-lights-muni
- nmeofthestate 2y agoI think the commenter was alluding to the 430 terahertz band.
- kajecounterhack 2y agoSF traffic lights do not.
- dekhn 2y agoOf course they do. A specially trained human can even visualize those signals.
- kajecounterhack 2y agoLol I missed the joke.