April 1974 | NTIA Technical Memo OT TM 74 163

A summary report on the digital selective calling program at ITS

Paul I. Wells

Abstract: The Institute for Telecommunication Sciences provided technical assistance to the Maritime Administration in the development of a digital selective calling system for use by the maritime mobile service. This report summarizes the work performed on the groups of CCIR and to R TCM, as well as other important memorandum.reports, are included as appendices to this report.

Disclaimer: Certain commercial equipment, components, and software may be identified in this report to specify adequately the technical aspects of the reported results. In no case does such identification imply recommendation or endorsement by the National Telecommunications and Information Administration, nor does it imply that the equipment or software identified is necessarily the best available for the particular application or uses.

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