| Acronym | Meaning |
 | FSCP | Fire Sensor Control Panel |
| OMD | Operations And Maintenance Documentation |
| MSFN | Manned Space Flight Network |
| PIO | Payload Integration Plan |
| MAT | Matrix |
| OTDA | Office Of Tracking And Data Acquisition (now OSTDS) |
| FMSP | Frequency Modulation Signal Processor |
| PROX | Proximity |
| PDL | Pocket Dosimeter Low |
| LC | Ion Chamber |
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