| Acronym | Meaning |
| HIRIS | High Resolution Imaging Spectrometer |
| HMS | Hungarian Meteorological Service |
| SLR | Satellite Laser Ranging |
| NTSC | National Television System Committee |
| AP | Administrative Procedure |
| ABES | Alliance For Balanced Environmental Solutions |
| GOMOT | Global Observations |
| DSL | Distributed Software Libraries |
| AFOE | Advanced Fiber Optic Echelle |
| PMR | Pressure Modulator Radiometer |