| Acronym | Meaning |
| EARTHKAM | Earth Knowledge Acquired By Middle-schoolers |
| MSG | Meteosat Second Generation |
| UHF | Ultra High Frequency |
| NASA | National Aeronautics And Space Administration |
| CH4 | Methane |
| MB/S | Megabytes Per Second |
| CD-ROM | Compact Disc-Read Only Memory |
| AVHRR | Advanced Very High Resolution Radiometer |
| NCDC | National Climatic Data Center |
| ITS | Interferometer Thermal Sounder (HIS) |