(1) RadioWORKS
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RadioWORKS: A tool for calculating radio wave properties. Get frequency info like free-space wavelength. Calculate antenna length. 3D coverage map. 2D line of sight graph. Calculate path loss / various models. Predict power/range requirement changes.
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(2) Frequency Filer
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Radio frequency database designed for amateur radio operators or shortwave and scanner enthusiasts. Geographic information can be displayed on a high resolution globe. Incudes data conversion utility.
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(3) HAMIC
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The HAM Intelligent Calculator, also called HAMIC, is designed to aid HAM radio operators perform a number of calculations. This includes simple circuits (e.g. resistors), complex circuits (e.g. L networks), or other calculations (e.g. SWR).
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(4) NuTest
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Obtain or upgrade your amateur radio licence using this complete training package. Create tests from the official ARRL question pools. Browse the question pools. Read in-depth explanations of each question. FCC Part 97 rules included.
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