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Global Considerations for Utilization of Real-Time Channel Evaluation Systems in HF Spectrum Management

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4 Author(s)
Goodman, J.M. ; Ionospheric Effects Branch, Space Science Division, E. O. Hulburt Center for Space Research, Naval Research Laboratory, Washington, DC 20375 ; Daehler, M. ; Reilly, M.H. ; Martin, Albert J.

Real-Time Channel Evaluation (RTCE) devices are coming into increased use in modern management of HF communications systems. The earliest techniques used in channel evaluation exploited vertical incidence pulse sounders (VIS) and these devices are still being used for some applications. An oblique incidence sounding technology has also been developed employing both pulse and chirp waveform approaches. There are a variety of RTCE devices which are identified in the paper but the major emphasis is placed on the OIS chirp sounder. Using this device as a canonical channel evaluator, the implications for global, theater, and local HF resource management may be addressed. As one might suspect, there are both advantages and disadvantages which may accrue from construction of a sounder network. Issues include: data applicability, data collection and dissemination, network size and cost, network ECM vulnerabilities, optimum network architecture, and system component reliabilities to name a few. These issues are outlined in the paper.

Published in:

Military Communications Conference, 1983. MILCOM 1983. IEEE  (Volume:2 )

Date of Conference:

Oct. 31 1983-Nov. 2 1983