BNSF's use of low band radio frequency packet technologies for safety overlays - Arema News

Here us a link to an interesting article that was posted to a rail fan mailing list that I subscribe to. The email posting had only the articles original text so I traced it back to it's origins. I haven't read it completely myself yet but it does look very interesting.

BNSF's use of low band radio frequency packet technologies for safety overlays - Arema News