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Mining Publication: Development of a Call Alert System for Paging Mine Personnel

NOTE: This page is archived for historical purposes and is no longer being maintained or updated. Contact NIOSH Mining if you need an accessible version.

Original creation date: January 1978

Image of publication Development of a Call Alert System for Paging Mine Personnel

This report presents system objectives and design criteria for an in-mine ultralow frequency radio paging system. Coding formats, frequency, and bandwidth selection criteria leading to the system design are discussed. The prototype call alert transmitter and pocket page receiver is functionally described. The report includes circuit descriptions, schematics, parts lists, printed circuit fabrication, and assembly drawings. The report concludes with an estimate of the manufacturing cost for each assembly.

Authors: JE Trombly, S Lipoff, P O'Brien

Contract/MOA Report - January 1978

NIOSHTIC2 Number: 10002479

Arthur D Little, Inc. U.S. Bureau of Mines Contract No. H0262026. NTIS No. PB/82-251562, 1978; :1-65