| Acronym | Meaning |
| HST | Hubble Space Telescope |
| UOSAT | University Of Surrey Satellite |
| HRSR | High-Resolution Scanning Radiometer |
| DACS | DATA Acquisition And Control Subsystem |
| IPAC | Infrared Processing & Analysis Center |
| GST | Greenwich Sidereal Time |
| DRAO | Dominion Radio Astrophysical Observatory |
| LPO | La Palma Observatory |
| VAS | VISSR Atmospheric Sounder |
| INTELSAT | International Telecommunications Satellite |