| Acronym | Meaning |
| IATO | Independent Acceptance Test Organization |
| THORPEX | The Observing System Research And Predictability Experiment |
| GST | GPS Science And Technology Program |
| SLAC | Stanford Linear Accelerator Center (or Collider) |
| PA/CCC | Payload Accommodations/Carrier Control Center |
| CAENEX | Complex Atmospheric Energetics Experiment |
| BSR | Bus Select Relay |
| MOS | Metal-oxide Semiconductor |
| SCO | Subcarrier Oscillators |
| KBPS | Kilobits (103) Per Second |