| Acronym | Meaning |
| SC | Subtropical Stratocumulus |
| GWEN | Ground Wave Emergency Network |
| HIRS | High Infrared Radiometer (or Radiation) Sounder |
| OPS | Onboard Payload Support |
| NAOS | North American Observing System |
| IUE | International Ultraviolet Explorer |
| LAN | Local Area Network |
| PRECP | Program On Nonlinearity Of Acid Precipitation Process |
| SMTP | Simple Mail Transfer Protocol |
| ADR | Audit Discrepancy Report |