| Acronym | Meaning |
| DSN | Defense Switched Network |
| SMOG | N/A |
| JERS | Japan Earth Remote Sensing Satellite |
| BCS | Boeing Computer Services |
| BSD | Berkeley Software Distribution |
| ROC | Regional Observational Cooperative |
| ACOS | Advanced Coronal Observing System |
| ACSYS | Arctic Climate System Study |
| MDCRS | Meteorological Data Collection And Reporting System |
| AMS | American Meteorological Society |