| Acronym | Meaning |
 | TR2 | Payload Furnished Mars Tape Recorder (2 Of 2) |
| QPSK | Quadrature Phase Shift Key |
| LNDG | Landing |
| RUT | Resource Utilization Time |
| FAC | Facility |
| CTRS | Component Test Requirements Specifications |
| FSS | Flight Systems Simulator |
| EKG | Electrocardiogram (Record) |
| UPS | Uninterruptible Power Supply |
| CDSC | Communications Distribution And Switching Center |
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