Chapter 4 – Helping to Build the GPS Ground Control System.
A small body of determined spirits fired by an unquenchable faith in their mission can alter the course of history. Mahatma Gandhi, social reformer and independence movement leader. Gordon had dumped a pile of GPS documents on my desk. There were 13 of them to be exact, and they were specifications defining the requirements for the computer programs for the GPS ground control system, called computer program configuration items, or CPCIs for short. They defined the 13 main functions for…