EOT Data

US Railroads use EOT/HOT devices to monitor status of the last car in a train.
Brake pressure, movement, and battery status are shown on an HOT display in the cab.
These devices operate on UHF frequencies EOT 457.9375Mhz, HOT 452.9375Mhz.
HOT/EOT are paired by a unique ID when a train is assembled.

Norfolk Southern Piedmont Division.
Data received from HOT/EOT devices traversing MP 435-438.
Data refreshed periodically.
Date Time Device ID BP/CMD TYP

BP= EOT brake pressure. SRQ = HOT status request. TYP = Message type. ie:NML normal/EMR emergency.

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