| Acronym | Meaning |
 | SGS | South Georgia And The South Sandwich Islands (ISO 3166 Trigram) -Svalbard Ground Station (Landsat) - Soci?t? G?n?rale De Surveillance |
| MRT | Mauritania (ISO 3166 Trigram) |
| WOT | Waste Of Time |
| CY | Calendar Year -Cyprus (ISO 3166 And FIPS 10-4 Country Code Digram) |
| YS | Yoctosiemens |
| TALES | Technical Advice And Lexicon For Enabling Simulation |
| OIOC | Oriental & India Office Collections (in The British Library) |
| A4 | Many |
| IPCC | Intergovernmental Panel On Climate Change |
| SKM | Sikkim (ISO 3166 Trigram; Obsolete 1975) |
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