| Acronym | Meaning |
| M | Meter(s) |
| FSL | Forecast Systems Laboratory (a NOAA ERL) |
| SAGE | Stratospheric Aerosol And Gas Experiment (EOS) |
| MODIS-N | MODerate-resolution Imaging Spectroradiometer-Nadir (EOS) |
| GAC | Global Area Coverage |
| CRAS | CIMSS Regional Assimilation System |
| RAOB | RAdiosonde OBservation |
| COMSAT | COMmunications SATellite |
| KM | Kilometer |
| DORIS | Doppler Orbitography And Radiopositioning Integrated By Satellite (EOS) |