Precision RF Signal Generator & GPSDO (8 kHz - 160 MHz) with 1PPS auto-calibration using Arduino Nano, Si5351A, and NEO-6M GPS.
arduino atmega328p ham-radio amateur-radio si5351 neo-6m vfo gpsdo signal-generator 1pps si5351a rf-generator
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Updated
Sep 1, 2026 - C++