| Acronym | Meaning |
| GLRS | Geodynamics (or Geoscience) Laser Ranging System |
| XANADU | Software Name |
| APT | Alliance For Photonic Technology |
| GISMOS | Global Incoherent Scatter Measurements Of Substorms |
| TDL | Tunable Diode Laser |
| LDM | Local Data Manager |
| IRCAT | Infrared Radiometer To Detect (CAT) Horizontal Temperature Gradients |
| ICMUA | IAMAS Commission On The Meteorology Of The Upper Atmosphere |
| NACOA | National Advisory Committee On Oceans And Atmosphere |
| MOM | MASnet Operations Monitor |