Improved Computer-Based System for Handling Shuttle Data

The Shuttle Projects Information Frontier (SPIF) Telemetry and Command Processor (TAC) is a personal-computer-based data-handling system that serves as part of an interface for transfer of data between Johnson Space Center and Goddard Space Flight Center (see figure). The data in question pertain to and/or are acquired by payloads that are carried, launched, deployed, repaired, retrieved, or returned by the Space Shuttle Program.