| Railroad
Frequencies |
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The railroad frequency lists are broken down into the
six sections shown below. Clicking on each link will take will
take you to a new page.Please take a moment to check out our line of "TrainTenna" Rail Band Radio Antennas. DPD Productions TrainTenna antennas are designed specifically for the railroad radio band. |
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| Non
AAR |
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| Frequencies
Outside the AAR Channel Group |
| There's frequencies that railroads utilize outside
of the typical AAR band plan. Here's a list of some of them...
EOTD (End of Train Devices) - 457.9375 These are the boxes that are attached to the coupler of the last car in the train. They transmit data to the head end. EOTD (End of Train Devices) - 452.9375 This frequency is mostly used on trains in Canada, but it's sometimes used on the head end in America, to "talk" to the EOTD. VHF Marine Channel 16 - 156.800 This can sometimes be the calling frequency for lift bridges. Advanced Train Control Systems (ATCS) - This is the new system that railroads are using on upper 800 and 900 MHz frequencies. The frequencies are being registered under the Association of American Railroads, or the Transportation Technology Center, not the individual railroads that use them. These radio systems basically collect information about train movement and other things along the line. This information is sent to computers and is then used to create the real time displays dispatchers have on their screens, showing train movement and so on. The data isn't always sent through the air, but when it is, it's done in a duplex method using two different frequencies. Small high band yagi antennas at various points along the right-of-way are usually used for these transmissions.
400 Mhz Frequencies
- These frequencies are used for various things, including remote
train control systems.
Various Frequencies
- The below frequencies are listed as being set aside for rail
use in the national FCC database. It's unknown how many of them
are being used now, and for what purpose. Some of the 900 MHz
frequencies are being used for the above mentioned ATCS.
Ham Radio - Its
been reported that hams have sometimes talked with crew members
operating trains, who are also hams. Frequencies to monitor
for this are 2 meter simplex...
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