What's the data sound like? The TT is used to call up the dispatcher on remote radio systems up and down the line. A train CAN'T make a switch move other then by hand.
At 01:44 PM 8/26/2007, you wrote: >I sometimes monitor the local railroad yardmaster dispatch. Every >once and a while I hear what sounds like short Packet data being sent. >Tried to decode using various Packet software, but nothing decodes. >Anyone know what they are sending? I hear DTMF tones once and a >while, but I think they use those tones to operate track switches. > >Jerry - K0HZI