| Acronym | Meaning |
| ACAP (ACAPS) | Advanced Computer For Array Processing |
| SIPRI | Stockholm International Peace Research Institute |
| HEAO | High Energy Astronomy Observatory |
| WINDEX | Winter Doppler Experiment |
| URSI | International Union Of Radio Science |
| ENEA | Comitato Nazionale Per La Ricerca E Lo Sviluppo Dell' Energia Nucleare E Delle Energie Alternative |
| DSIR | Department Of Scientific & Industrial Research |
| EQS | Equatorial Scatter |
| DAESRA | Denver Area Employees Service And Recreation Association |
| SEAB | Secretary Of Energy Advisory Board |