| Acronym | Meaning |
| CPSM | Continuous Phase Shift Modulation |
| YO | Former Yugoslavia (NATO Country Code |
| CVS | Concurrent Versions System |
| MH | Marshall Islands (postal Symbol; ISO 3166 Digram) - Megahenry - Montserrat (FIPS 10-4 Territory Code) |
| ELM | Edge-Localised Mode (plasma Physics) |
| FAA | U.S. Federal Aviation Administration - Financial Aid Administrator - Fleet Air Arm - Functional Area Analysis |
| ACDA | Arms Control & Disarmament Agency |
| KS | Kansas (postal Symbol) - Republic Of Korea (FIPS 10-4 Country Code) |
| PI | Pebi |
| MCMV | Mine Counter-Measure Vessel |