| Acronym | Meaning |
| IAGA | International Association Of Geomagnetism And Aeronomy |
| I2L | Integrated Injection Logic |
| OSL | Orbiting Solar Laboratory |
| BPA | Bonneville Power Administration |
| PPI | Plan-postition Indicator |
| PEC | Performance Management Committee |
| GTG | GARP Task Group |
| RAM | Random Access Memory |
| AIRMET | AIRmen METeorological Information |
| IRS | Information Retrieval Service |