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Download HamCalc v1.3b – collection of calculators, for radio amateurs

HamCalc is a collection of calculators, for radio amateurs, presented as a series of ‘Tabbed’ pages. Antenna ERP calculations. Attenuator calculations. Audio filter design. Coil Winding. Decibel calculations. Great-Circles map and calculator. HF Filters. HF Antenna Traps. Op-Amps. QRA Locator to Latitude/Longitude (and back). Radio Horizon calculator. Satellite Orbits. Timers. Zener Diodes. Resonance and bandwidth….