| Acronym | Meaning |
| HD | Highly Desirable |
| LEC | Lockheed Electronics Company |
| PKD | Programmable Keyboard And Display |
| CCL | Configuration Control Logic |
| DDS | Data Display System |
| CRPL | Cosmic Ray Physics Laboratory |
| HSP | Health Stabilization Program |
| HRM | High Rate Multiplexer |
| STARR | Schedule |
| DBCI | DB With Respect To A Circular Polarized Antenna |