| Acronym | Meaning |
 | GIA | GPC Interface Adapter |
 | SPIDF | Support Planning Identification File |
 | SFACI | Software Flight Article Configuration Inspection |
 | SEOS | Synchronous Earth Observation Satellite |
 | CKRA | Cape Kennedy Reference Atmosphere (Changed To CCR |
 | HP | HewlettPackard |
 | SV | Selenoid Valve |
 | S/R | Shift Register |
 | G | Units Of Gravitational Force |
 | P&M | Phase Modulation (Modulated) |