شهر دریا آخرین اخبار رویدادها و معرفی اماکن گردشگری استان بوشهر


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VHF Propagation Map. This map shows actual radio propagation from stations operated near 144 MHz. It uses data gathered by Automatic Packet Reporting ...


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Jul 17, 2018 ... VHF/UHF "Openings" happen sporatically and you cannot predict them as well as HF propagation. VHF and UHF can be affected by the ...


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How does Radio Coverage Prediction Work? • The Nautel Radio Coverage Tool is based on the Longley-. Rice “ITS” algorithm, and covers most VHF/UHF ...


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While HF propagation pundits are concerned with the ionosphere, VHF/UHF ... By studying weather maps and the forecast you should be able to predict when ...


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The list below provides links to propagation prediction programs and forecasts. ... of propagation programs for Groundwave, HF and VHF; HF Propagation ...


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Tropospheric Propagation Forecast. Beyond the Horizon. Menu Skip to content. Home · Europe · Eastern Europe · Atlantic Ocean · Atlantic D4 – EI · Atlantic D4 –  ...


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This entry was posted in Site news, tropospheric forecast and tagged ducting, microwave, propagation, tropospheric forecast, vhf on August 9, 2016 by f5len.


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Jun 23, 2018 ... In the scope of VHF and UHF terrestrial communication or broadcasting systems planning, the use of point-to-area propagation prediction ...


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VHF and UHF Area Prediction. This tool provides the ability to ... The pathloss result of the propagation analysis is overlaid on the map. User guide; Notes ...