| Acronym | Meaning |
 | IOTA | International Occultation Timing Association |
| CFPA | Center For Particle Astrophysics (Berkeley) |
| TDT | Terrestrial Dynamic Time |
| EUTELSAT | European Telecommunications Satellite Organization |
| MODIS-N | MODIS-Nadir |
| ACRIM | ACR Irradiance Monitor |
| VTHL | Vertical Takeoff Horizontal Landing |
| WFPC | Wide Field/Planetary Camera |
| LANL | Los Alamos National Laboratory |
| OCTW | Optical Communications Through The Shuttle Window |
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