曝光臺 注意防騙 網曝天貓店富美金盛家居專營店坑蒙拐騙欺詐消費者

origin for lateral guidance for an approach procedure not leading to the primary runway threshold.
Note.— This distance may be used by the MLS receiver in a manner similar to the approach azimuth antenna to
threshold distance, to establish the lateral deviation scale factor for the procedure.
z) Next waypoint index shall represent the sequential position, within the approach azimuth database or back azimuth
database, of the waypoint definition data for the next waypoint in the procedure.
Note.— The next waypoint index may be used to permit sharing of one or more waypoints which have been explicitly
defined as a part of another procedure. The shared waypoints are the final ones for approach procedures and the initial
ones for missed approach and departure procedures.
aa) Missed approach index shall represent the sequential position, within the approach azimuth database or back azimuth
database, of the waypoint definition data for the first encoded (last flown) waypoint of the associated missed approach
procedure.
APP A-17 23/11/06
Annex 10 — Aeronautical Communications Volume I
Table A-14. MLS/RNAV procedure database structure
(see 3.11.4.8.3.2)
Database Word Data content
B1 Approach azimuth map/CRC word
B2 Procedure 1 descriptor word
. . . . . .
. . . . . .
B(M+1) Procedure “M” descriptor word (see Note 1)
Approach azimuth
B(M+2) to B(a) Waypoint data words
B(a+1) to B(b–1) Not used.
B(b) Procedure 1 descriptor word
. . . . . .
. . . . . .
B(b+N–1) Procedure “N” descriptor word (see Note 1)
B(b+N) to B(38) Waypoint data words
Back azimuth
(see Note 2)
B39 Back azimuth map/CRC word
NOTES.—
1. Parameter “M” represents the number of named approach and departure procedures which commence within the approach
azimuth coverage sector. Parameter “N” represents the number of named approach and departure procedures which
commence within the back azimuth coverage sector.
2. A facility without a back azimuth database may employ all words up to B39 for the approach azimuth database.
Table A-15. Auxiliary data B words B1 through B39
(see 3.11.4.8.3.2)
Word Data content
Type
of
data
Maximum
time
(seconds)
Bits
used
Range
of
values
Bit
numbers
Approach azimuth map/CRC word
B1 PREAMBLE digital 2.5 12 I1 to I12
Address 8 I13 to I20
Number of approach azimuth
procedure descriptors
4 0 to 15 I21 to I24
Last approach azimuth database word 6 see Note 2 I25 to I30
Approach azimuth CRC code 32 see Note 3 I31 to I62
Word B42 transmitted 1 see Note 4 I63
Word A4 transmitted 1 see Note 4 I64
Word B43 transmitted 1 see Note 4 I65
Spare 4 see Note 12 I66 to I69
PARITY 7 see Note 13 I70 to I76
23/11/06 APP A-18
Appendix A Annex 10 — Aeronautical Communications
Word Data content
Type
of
data
Maximum
time
(seconds)
Bits
used
Range
of
values
Bit
numbers
Procedure descriptor words
B2 to B(M+1) (approach azimuth database) (see Note 1)
B(b) to B(b+N–1) (back azimuth database)
PREAMBLE digital 2.5 12 I1 to I12
Address 8 I13 to I20
Basic indicator 25 see Note 5 I21 to I45
Validity indicator 4 1 to 9
(see Note 14)
I46 to I49
Route indicator 5 see Note 5 I50 to I54
Runway number 6 0 to 36
(see Note 15)
I55 to I60
Runway letter 2 see Note 6 I61 to I62
Procedure type 1 see Note 7 I63
First waypoint index 6 0 to 63
(see Notes 8, 9)
I64 to I69
PARITY 7 see Note 13 I70 to I76
Waypoint data words (see Table A-16)
B(M+2) to B(a) (approach azimuth database) (see Notes 1 and 11)
B(b+N) to B(38) (back azimuth database)
PREAMBLE digital 2.5 12 I1 to I12
Address 8 I13 to I20
Waypoint definition data items 49 see Notes 10, 11 I21 to I69
PARITY 7 see Note 13 I70 to I76
Back azimuth map/CRC word (see Notes 1 and 11)
B39 PREAMBLE digital 2.5 12 I1 to I12
Address 8 I13 to I20
Number of back azimuth procedure
descriptors
4 0 to 15 I21 to I24
First back azimuth database word 6 see Note 2 I25 to I30
Back azimuth CRC code 32 see Note 3 I31 to I62
Word B43 transmitted 1 see Note 4 I63
Spare 5 see Note 12 I64 to I68
Back azimuth map/CRC indicator 1 see Note 11 I69
PARITY 7 see Note 13 I70 to I76
APP A-19 23/11/06
Annex 10 — Aeronautical Communications Volume I
NOTES.—
1. Variables used in word numbers correspond to those used in Table A-14.
　
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