Report on Farnsworth tests at Richmond, Fredericksburg and Potamac Railroad Co freight yards using equipment operating in 152 to 162-mc frequency band; tests demonstrated improved managerial control of large rail yards, more effective coordination between yardmaster and locomotive crews or yard personnel, dependable two-way communications throughout entire yard area and other features; details of system.
FM for rail yard managerial control
FM Television
FM and Television ; 6 , n 11 ; p 23-29 + 52 + 57
1946
Aufsatz (Zeitschrift)
Englisch
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