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Technical Provisions for Mode S Services and Extended Squitter

Technical Provisions for Mode S Services and Extended Squitter

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DRAFT - Working Paper ASP TSGWP11-01 <strong>for</strong> review by the TSG during the meeting in June 2011 in Paris<br />

B-30 <strong>Technical</strong> <strong>Provisions</strong> <strong>for</strong> <strong>Mode</strong> S <strong>Services</strong> <strong>and</strong> <strong>Extended</strong> <strong>Squitter</strong><br />

Message type Message subtype Message lifetime<br />

23<br />

0 5.0 seconds (±0.2 s)<br />

> 0 Reserved<br />

24 Reserved<br />

25 Reserved<br />

26 Reserved<br />

27 Reserved<br />

28<br />

29<br />

= 1 5.0 seconds (±0.2 s)<br />

= 2<br />

0, > 2 Reserved<br />

10 seconds after RAT<br />

transitions from 0 to 1<br />

= 0 2.5 seconds (±0.2 s)<br />

> 0 Reserved<br />

30 Reserved<br />

31<br />

= 0, 1 5.0 seconds (±0.2 s)<br />

> 1 Reserved<br />

B.2.5.5.4 A default message lifetime of 20 seconds shall be used <strong>for</strong> queue management unless otherwise specified.<br />

B.2.5.6 DERIVATION OF MODE FIELD BITS FOR AIRCRAFT INTENTION PARAMETERS<br />

Derivation of mode field bits <strong>for</strong> aircraft intention parameters shall be per<strong>for</strong>med as specified in §A.2.5.6.<br />

B.2.6 LATITUDE/LONGITUDE CODING USING COMPACT POSITION REPORTING (CPR)<br />

CPR coding shall be per<strong>for</strong>med as specified in §AC.2.6.<br />

Draft<br />

DRAFT - Working Paper ASP TSGWP11-01 <strong>for</strong> review by the TSG during the meeting in June 2011 in Paris

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