http://en.wikipedia.org/wiki/Flashing_rear-end_device
It lists the common frequencies used for these devices under 'Railfan Usage'. Walter On 8/27/07, John Becker <[EMAIL PROTECTED]> wrote: > > There is a sound card program to decode it, if any one is > interested. As well as one to decode the switching up > and down the line. I could post a screen shot from my > station here on the BNFS Hannibal sub ( K line ) if ask. > > John, W0JAB > > > > At 06:47 AM 8/27/2007, you wrote: > >John, > > > >Sounds like Packet that one hears on two meters. From a reply by > >another ham, said it was most likely End Of Train box signals. > > > >Jerry - K0HZI > > > > > > > > > > > > > > > > > > > > > > > Announce your digital presence via our Interactive Sked Page at > http://www.obriensweb.com/drsked/drsked.php > > Yahoo! Groups Links > > > >