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Excerpt taken from: WMO No. 386 Manual on the Global Telecommunication System
Part II - Operational Procedures for the GTS
ATTACHMENT II–5
DATA DESIGNATORS T1T2A1A2ii IN ABBREVIATED HEADINGS
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Tables |
Data Type |
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Data type designator T1 Matrix Table for T1T2A1A2ii definitions |
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Data type designator T2 (when T1 = A, C, F, N, S, T, U or W) |
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Data type designator T2 (when T1 = D, G, H, X or Y) |
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Data type designator T2 (when T1 = I or J) |
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Data type designator T2 (when T1 = O) |
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Data type designator T2 (when T1 = E) |
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Data type designator T2 (when T1 = P, Q) |
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Geographical designators A1A2 for use in abbreviated headings T1T2A1A2ii CCCC YYGGgg for bulletins containing meteorological information, excluding ships’ weather reports and oceanographic data |
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Geographical designators A1A2 for use in abbreviated headings T1T2A1A2ii CCCC YYGGgg for bulletins containing ships’ weather reports and oceanographic data including reports from automatic marine stations |
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Geographical area designator A1 (when T1 = D, G, H, O, P, Q, T, X or Y) and geographical area designator A2 (when T1 = I or K) |
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Reference time designator A2 (when T1 = D, G, H, O, P, or T) |
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Reference time designator A2 (when T1 = Q, X or Y) |
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Data type designator A1 (when T1 = I or J) |
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Data type designator A1 (when T1 = K) |
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Level designator ii (when T1 = O) |
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Level designator ii (when T1 = D, G, H, J, P, Q, X or Y) |
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Level designator ii (when T1 T2 = FA or UA) |
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