| Acronym | Meaning |
| PPHM | Parts Per Hundred Million |
| DOOS | DICOMED Online Operating System |
| MCR | Multichannel Cloud Radiometer |
| DIA | Denver International Airport |
| ORCP | Ocean Ridge Crest Processes |
| OAR | Office Of Aerospace Research |
| GWEN | Ground Wave Emergency Network |
| LT | Local Time |
| ACRIM | Active Cavity Radiometer Irradiance Monitor |
| MMM | Mesoscale And Microscale Meteorology |