| Acronym | Meaning |
| NIPR | National Institute For Polar Research |
| PCWG | Polar Climate Working Group |
| TOPCAT | A Clear Air Turbulence Measurement Program |
| DB | Direct Broadcast |
| DRMS | Data Record Management System |
| HRS | High-resolution Data Service |
| TCAS-II | Traffic Alert And Collision Avoidance System |
| PHIGS | Portable Hierarchical Image And Graphic Standard |
| THEMIS | N/A |
| ADM | Arrow Diagram Method |