c++ - NTPD synchronization with 1PPS signal - Stack Overflow
Generalized structure of GPS disciplining of local clocks by the 1PPS... | Download Scientific Diagram
IP-FLOW - PCMCIA GPS Time Receiver
Loop model of GPS synchronization of a local clock by the 1PPS timing... | Download Scientific Diagram
Amazon.com: Taidacent 1PPS Pulse System GPS Clock sync External GPS Receiver GR-87 Base Station Timing Positioning BS-125 GPS Receiver with External Antenna Connector : מוצרי חשמל
What is GPS and How does it work? - Codrey Electronics