Surplus Telecom Gear Crushes DIY Raspberry Pi Time Server for Just $20

This story highlights the massive performance leap achieved by repurposing decommissioned enterprise hardware for precision home networking. By utilizing a surplus Oscilloquartz OSA-5401 module, the author reached 26-nanosecond accuracy, demonstrating that hardware PTP timestamping is the new gold standard for time synchronization over software-based NTP.