| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SJ 20978.1-2007 | English | 639 |
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Days<=3
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Specifications for air traffic control system surveillance data exchange. Part 1: General structure
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SJ 20978.1-2007
| Obsolete |
SJ 20978.1-2007
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