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What fast charging really means
30/01/202630/01/2026

Fast charging is not a single invention or a single protocol. It is an umbrella term for a wide range of power-delivery techniques whose shared goal is to reduce charging time without compromising safety or battery lifespan beyond acceptable limits. What makes fast charging complex is that it sits at the intersection of power electronics,…

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RF Calculators

HF Band Selection Tool
27/01/202627/01/2026

Choosing the right HF band matters more than power or equipment. This calculator shows which HF bands are most likely to work right now, using your browser’s local time, target distance, operating style (SOTA, POTA, QRP, DX, digital, emergency), geomagnetic conditions, and the current 11-year solar cycle phase. It’s a practical, real-time decision aid—not a…

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