The frequency management approach recommended includes the following: (1) The selection and dissemination of primary and backup orderwire frequencies from the C

The emphasis in this Real-Time Adaptive Control and Processing task has been on automated frequency management, link connectivity control, channel evaluation, a

High frequency equipment and system design have been largely ignored by the U.S. Army during the past ten years. This was in anticipation of achieving sufficien

Link quality analysis (LQA) or in-band channel evaluation is a microscopic approach to characterizing HF radio channels for a two-point system(s). Wide band spe

Although under perfect non-fading propagation conditions narrow-band FM may be the best modulation technique, HG is not an ideal medium and single sideband, whi