Railcar location using mutter networks and locomotive transmitte

Details Railcar location using mutter networks and locomotive transmitte Railcar location using mutter networks and locomotive transmitte

1995-06-07

1997-10-28

Crosland, Donnie L.

Communications: electrical

Condition responsive indicating system

With particular coupling link

34082549, 34082554, 34082507, 340991, 34082536, 455 541, 455 531, 455 121, 364132, 342457, G08B 108, H04B 100

Patent

active

056821395

ABSTRACT:
A method of tracking railcars in transit using global positioning techniques involves determining the location of a railcar by using a Global Positioning System (GPS) receiver and a satellite transceiver on board the locomotive, and a local area network of railcar tracking units. Instead of computing the GPS solution independently and transmitting it to a central station, the railcar tracking units transmit their unique identifications (IDs) to one of the tracking units in the local area network acting as an administrator tracking unit. The administrator tracking unit maintains a list of IDs and periodically transmits the list of IDs to the locomotive. The locomotive locates itself using the GPS system and periodically transmits its position and velocity to the central station.

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patent: 5379224 (1995-01-01), Brown et al.

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