Tag " Propagation"

You can use this program to make Great Circle maps from any location in the world. The program has become quite popular and it is totally free! It is now in beta stage and may be lacking some features. Additional features: * Borders, coastlines, rivers, lakes can be added * Text and lines can be partly transparent and in the color of your choice. * You can save different settings in the configuration...


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VOACAP is an improved and corrected version of IONCAP, retaining all of the theory as put forth by John Lloyd, George Haydon, Donald Lucas and Larry Teters in the 1975-1985 time-frame with modifications which were suggested/approved by George Lane, Donald Lucas, George Haydon and A. D. Spaulding (a world authority on HF radio noise predictions). VOACAP (Voice of America Coverage Analysis Program)...


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PropNET is an ad-hoc 2-way (and potentially, "more-way") RF-based digital communication network whose activity is reported on the Internet.  As participating stations periodically ID and exchange data, they report their activity to an Internet data-collection hub for presentation through this web site. For more infor read here


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