| Acronym | Meaning |
 | COMSEC | Communications Security (military) |
| SHF | Super High Frequency |
| GP | General Practitioner - General Purpose - Grand Prix -Guadeloupe (ISO 3166 Digram; FIPS 10-4 Territory Code) |
| DJI | Djibouti (ISO 3166 Trigram) |
| GIP | Gibraltar Pound (ISO 4217 Currency Code) |
| LRU | Line-Replaceable Unit |
| IND | India (ISO 3166 Trigram) |
| ZS | Zettasiemens |
| LNB | Low-Noise Block (Satellite Dish) |
| YM | Yottametre |
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