July 1991 | NTIA Contractor Report Unnumbered

HF Simulator: Channel and Modem Modules

Eric E. Johnson

Abstract: This manual describes the design and use of software simulators for narrow-band HF channels, and for the robust modem specified in FED-STD-1045 and MIL-STD-188-141A. This software was developed by Johnson Research under the sponsorship of the Institute for Telecommunication Sciences, National Telecommunications and Information Administration, U.S. Department of Commerce, Boulder, Colorado. The initial work leading to the development of these simulators was sponsored by the U.S. Army Information Systems Engineering Command, Ft. Huachuca, Arizona.

Keywords: modem; software simulation.

To request a reprint of this report, contact:

Ed Drocella, Chief,
Spectrum Engineering and Analysis Division
Office of Spectrum Management
National Telecommunications and Information Administration
(202) 482-1652

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.

This document contains software developed by NTIA. NTIA does not make any warranty of any kind, express, implied or statutory, including, without limitation, the implied warranty of merchantability, fitness for a particular purpose, non-infringement and data accuracy. NTIA does not warrant or make any representations regarding the use of the software or the results thereof, including but not limited to the correctness, accuracy, reliability or usefulness of the software or the results. You can use, copy, modify, and redistribute the NTIA-developed software upon your acceptance of these terms and conditions and upon your express agreement to provide appropriate acknowledgments of NTIA's ownership of and development of the software by keeping this exact text present in any copied or derivative works.

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