| Acronym | Meaning |
| GSTS | Ground Surveillance And Tracking System |
| ERSDAC | Earth Resources Satellite Data Analysis Center |
| ACE-1 | Aerosol Characterization Experiment |
| ETAG | Educational Technologies Assistance Group |
| UGGI | See IUGG |
| HRDI | High Resolution Doppler Interferometer |
| HIS | High-resolution Interferometer Sounder |
| GPIB | General Purpose Interface Board |
| AASM | Advanced Air To Surface Missile |
| FP | Plasma Frequency |