| Acronym | Meaning |
| ITIR | Intermediate Thermal Infrared Radiometer |
| BNFL | British Nuclear Fuels Limited |
| PCAS | Passive Cavity Aerosol Spectrometer |
| PHS | Public Health Service |
| HIS | High-resolution Infrared Sounder |
| SR | Scanning Radiometer |
| FDDI | Fiber-distributed Data Interface |
| ERG | External Review Group |
| GMCC | Geophysical Monitoring For Climatic Change |
| CALCOMP | California Computer Products |