| Acronym | Meaning |
| GRTLS | Glide RTLS |
| DLR | Deutsche Forschungsanstalt Fuer Luft- Und Raumfahrt |
| FPM | Fiber Pulling In Microgravity |
| GISS | Goddard Institute For Space Studies |
| BIMA | Berkeley Illinois Maryland Array |
| ATM | Amateur Telescope Maker |
| NASA | National Aeronautics And Space Administration |
| IOA | Institute Of Astronomy (Cambridge) |
| VECO | Vernier Engine Cutoff |
| SARA | Satellite Pour Astronomie Radio Amateur |