15.12.2012 Views

Technical Provisions for Mode S Services and Extended Squitter

Technical Provisions for Mode S Services and Extended Squitter

Technical Provisions for Mode S Services and Extended Squitter

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

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

Appendix C C-77<br />

Figure C-13. TIS-B Fine Surface Position Message<br />

1 Purpose: To provide surface position in<strong>for</strong>mation <strong>for</strong><br />

2 aircraft that are not equipped with 1090 MHz ADS-B.<br />

3 FORMAT TYPE CODE<br />

4 (§C.2.3.1)<br />

5<br />

6<br />

7<br />

8<br />

9 MOVEMENT<br />

10 (§C.2.3.3.1)<br />

11<br />

12<br />

13 STATUS <strong>for</strong> Heading/Ground Track (1=valid, 0=not valid)<br />

14 MSB<br />

15<br />

16 HEADING / GROUND TRACK (7 bits)<br />

17 (Referenced to true north)<br />

18 Resolution = 360/128 degrees<br />

19<br />

20 LSB<br />

21 IMF (§C.3.4.2.1.2)<br />

22 CPR FORMAT (F) (§C.2.3.2.1)<br />

23 MSB<br />

24<br />

25<br />

26<br />

27<br />

28<br />

29<br />

30 CPR ENCODED LATITUDE<br />

31 CPR Surface Format<br />

32 (§C.2.6.1 to §C.2.6.10)<br />

33<br />

34<br />

35<br />

36<br />

37<br />

38<br />

39 LSB<br />

40 MSB<br />

41<br />

42<br />

43<br />

44<br />

45<br />

46<br />

47 CPR ENCODED LONGITUDE<br />

48 CPR Surface Format<br />

49 (§C.2.6.1 to §C.2.6.10)<br />

50<br />

51<br />

52<br />

53<br />

54<br />

55<br />

56 LSB<br />

Draft<br />

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

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!