| Acronym | Meaning |
 | DE | Dynamics Explorer |
 | EFF | Experimental Forecast Facility |
 | ESCAP | Economic Social Commission For Asia And The Pacific |
 | VHF | Very High Frequency |
 | FPS | Foot-pound Second System Of Measurements |
 | OPLE | Omega Position Location Equipment |
 | ARPA | Archaeological Resources Protection Act |
 | AGC | Automatic Gain Control |
 | HRPT | High Resolution Picture Transmission |
 | ALT | Altimeter |