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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 />

Appendix A A-105<br />

The first byte of the user data (UD) field in the downlink MSP channel 6 shall be used to define a response type (RT)<br />

field as follows:<br />

RT = 0 Unassigned(Reserved)<br />

RT = 1 (Reserved)<br />

RT = 2 Local system management<br />

RT = 3 to 255 Unassigned(Reserved)<br />

When implemented, bit 34 of register 1D16 is set to a 1.<br />

Note.— The response to a ground-air service request can be used to transfer in<strong>for</strong>mation resulting from such a<br />

service.<br />

(Reserved <strong>for</strong> air-to-ground request)<br />

The description of this channel has not yet been developed.<br />

(Reserved <strong>for</strong> trajectory negotiation)<br />

The description of this channel has not yet been developed.<br />

These channels have not been assigned.<br />

A.3.3.7 DOWNLINK MSP CHANNEL 7<br />

A.3.3.8 DOWNLINK MSP CHANNEL 8<br />

A.3.3.9 DOWNLINK MSP CHANNELS 9 TO 63<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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