Ham Radio & DIY Electronics

Amateur radio, propagation, FT8/JTDX, antennas and electronics projects for a technical hobby audience.

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Latest publications

Solar flux 101, low Kp: what August 7 space weather means for FT8 and JTDX operators

A practical HF diagnostic workflow for a quiet but not high-margin propagation day: read the NOAA numbers, check spots, then decide whether the antenna or software really needs attention.