| Acronym | Meaning |
| DRL | Deliverables Requirement List |
| VF | Voice Frequency |
| ITS | Instrument Technical Specification |
| EARN | European Academic Research Network |
| NSFNF | Non-NSF Non-funded |
| IRJE | Internet Remote Job Entry |
| P/L-EX | Payload Executive |
| INTERNET | The Collection Of All Interconnected Computer Networks Around The Globe That Use The TCP/IP Protocol |
| ACL | Advanced Computing Laboratory |
| RALI | Resource And Land Information |