| Acronym | Meaning |
 | SACS | Software Avionics Command SuPport |
| MAR | Memory Address Register |
| R&DO | Research And Development Operations (MSFC) |
| OPL | Operational |
| POD | Payload Operations Division (JSC) |
| DRR | Design Requirements Review |
| TPS | Test Preparation Sheet |
| NC1 | Nominal Correction 1 (Phasing Maneuver) |
| RECVR | Receiver |
| OCR | Optical Character Recognition |
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