| Acronym | Meaning |
| OSCAR | Orbiting Satellite Carrying Amateur Radio |
| PMT | PhotoMultiplier Tube |
| VAFB | Vandenberg Air Force Base |
| ACRV | Astronaut Crew Rescue Vehicle |
| FTS | Flight Telerobotic Servicer |
| NGT | NASA Ground Terminal |
| UT | Universal Time |
| VLF | Very Low Frequency |
| NICMOS | Near Infrared Camera/Multi Object Spectrometer |
| TWTA | Travelling Wave Tube Amplifier |