| WMO>WWW >WWW Operational Information Service (OIS)> Telecommunications Abbreviated Heading - TAAii CCCC
| Explanation of Data Designators T1T2A1A2ii CCCC |
| TABLE C2 |
Geographical designators A1A2 for use in abbreviated headings T1T2A1A2 ii CCCC YYGGgg
for bulletins containing ships’ weather reports and oceanographic data including
reports from automatic marine stations |
| Instructions for the proper application of the level designators |
| (1) |
The first letter A1 will denote the nature of the ship or automatic marine station: |
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For ocean weather stations: |
W |
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For mobile ships and other marine stations: |
V |
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For floats (T1T2 = SO): |
F |
| (2) |
The second letter A2 will denote the area from which the reports contained in the bulletins originate. |
| (3) |
Whenever practicable, separate bulletins should be prepared to avoid the use of the letter X. |
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Note: For T1T2=SZ, A1A2 area designator from Table C1 should be used. |
| Designator |
Geographical Area |
| A |
Area between 30°N - 60°S, 035°W - 070° E |
| B |
Area between 90°N - 05°N, 070°E - 180°E |
| C |
Area between 05°N - 60°S, 120°W - 035°W |
| D |
Area between 90°N - 05°N, 180°W - 035°W |
| E |
Area between 05°N - 60°S, 070°E - 120°W |
| F |
Area between 90°N - 30°N, 035°W - 070°E |
| J |
Area between 60°S |
| X |
More than one area |
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