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Guidelines for Trolley Carrier Phone Systems.

Authors
Spencer-RH; O'Brien-PF; Jeffreys-DC
Source
NTIS: PB 273 479 Available for Reference At Bureau Libraries :170 pages
Link
NIOSHTIC No.
10008307
Abstract
Guidelines for trolley carrier phone systems was prepared and documented to enable operating personnel to improve and upgrade their carrier phone systems. These guidelines cover installation of equipment, conversion of a rail haulage trolley wire and feeder system into a functional carrier frequency transmission line, performance checkout of the trolley carrier phone system, and the development of practical portable test instrumentation. This report summarized the program that led to the development of the guidelines and recommends a program to test and improve their effectiveness.
Publication Date
19770101
Document Type
CP; Final Contract Report;
Fiscal Year
1977
NTIS Accession No.
PB-273479
NTIS Price
A09
Identifying No.
OFR 150-77
NIOSH Division
PRC;
Source Name
NTIS: PB 273 479 Available for Reference At Bureau Libraries
Performing Organization
Arthur D. Little, Inc.
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