At Hillyard (Spokane), Wash, 15 yard locomotives and one trainmaster's automobile have been equipped with 2-way radio; two radio base stations for yard operations and car checking; 30 switch engine shifts per day are worked, and average of 3000 cars handled per day.
Radio cuts yard time of freights on great northern
Ry Signaling Communications
Railway Signaling and Communications ; 49 , n 1
1956
2 pages
Aufsatz (Zeitschrift)
Englisch
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