GPS-Disciplined 40/10MHz Frequency Source (GPSDO)

0.001ppm GPS-disciplined 40MHz+10MHz reference oscillator for HackRF, PlutoSDR, etc.

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A GPS-disciplined frequency source providing 40 MHz and 10 MHz outputs locked to GPS with up to 0.001 ppm accuracy. It supplies a precise, GPS-locked clock to discipline SDR devices such as HackRF and PlutoSDR, serving hobbyists, ham operators, and RF engineers who want an affordable alternative to lab-grade benchtop references. The updated unit also outputs NMEA over USB for position and time data.

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