| Acronym | Meaning |
| AFCEA | Armed Forces Communications And Electronics Association |
| RTA | Road Traffic Accident (British) |
| TON | Tongan Language (ISO 639-2 Code) |
| FS | Fire Support (military) -French Southern And Antarctic Territories (FIPS 10-4 Territory Code) |
| GPL | General Public License |
| MG | Machine Gun -Madagascar (ISO 3166 Digram) -Major General -Mongolia (FIPS 10-4 Country Code) -Morris Garage |
| RTL | See Entry |
| FS | Femtosiemens |
| SG | Senegal (FIPS 10-4 Country Code) - Singapore (ISO 3166 Digram) - Snow Grains (METAR Code) -Study Group |
| AGASA | Akeno Giant Air Shower Array (cosmic Ray Detector) |