Rebuilding a 1995 GPS Time Server so I don't get Telstra'd
Summary
Jeff Geerling documents restomodding a TrueTime GPS time server into a Stratum 1 NTP time server using a Raspberry Pi 5 with GNSS HAT, Chrony, PPS, and a Densitron LCD. He covers hardware tweaks for timing stability, Chrony configuration, remote access via Twingate, and a monitoring dashboard, plus additional time protocols and AppleTalk demos.