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时间:2010-07-18 19:45来源:蓝天飞行翻译 作者:admin
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Table B-39. Types 2 to 5 fast correction message
Data content Bits used Range of values Resolution
IODFj 2 0 to 3 1
IODP 2 0 to 3 1
For 13 slots
Fast correction (FCi) 12 ±256.000 m 0.125 m
For 13 slots
UDREIi 4 (see Table B-29) (see Table B-29)
Notes.—
1. The parameters IODFj and FCi are defined in 3.5.4.4.2.
2. The parameter IODP is defined in 3.5.4.1.
3. The parameter UDREIi is defined in 3.5.4.5.
Table B-40. Type 6 integrity message
Data content Bits used Range of values Resolution
IODF2 2 0 to 3 1
IODF3 2 0 to 3 1
IODF4 2 0 to 3 1
IODF5 2 0 to 3 1
For 51 satellites (ordered by PRN mask number)
UDREIi 4 (see Table B-29) (see Table B-29)
Notes.—
1. The parameters IODFj are defined in 3.5.4.4.2.
2. The parameter UDREIi is defined in 3.5.4.5.
Annex 10 — Aeronautical Communications Volume I
Table B-41. Type 7 fast correction degradation factor message
Data content Bits used Range of values Resolution
System latency (tlat) 4 0 to 15 s 1 s
IODP 2 0 to 3 1 s
Spare 2 — —
For 51 satellites (ordered by PRN mask number)
Degradation factor indicator
(aii) 4 (see Table B-34) (see Table B-34)
Notes.—
1. The parameters tlat and aii are defined in 3.5.4.7.
2. The parameter IODP is defined in 3.5.4.1.
Table B-42. Ty rang on message
its used Range of values Resolution
pe 9 ing functi
Data content B
Spare 8 — —
t0,GEO 13 0 to 86 384 s 16 s
URA 4 (see Table B-26) (see Table B-26)
XG m
YG m
/s
5 m/s
/s
2 5 m/s2
5 m/s2
10 ±0 5 m/s2
aGf0 12 ±0.9537 × 10–6 s 2–31 s
aGf1 8 ±1.1642 × 10–10 s/s 2–40
s/s
Note.— All parameters are defined in 3.5.4.2.
30 ±42 949 673 m 0.08
30 ±42 949 673 m 0.08
ZG 25
17
±6 710 886.4 m
±40.96 m/s
0.4 m
0.000625 m X
􀀅
G
Y􀀅
G
􀀅
17 ±40.96 m/s
.288 m/s
0.00062m
Z G
􀀅􀀅 G
18
1
±524 0.004
X
􀀅􀀅
0 ±0.0064 m/s
2
0.000012
Y G 10 ±0.0064 m/s
.032 m/s
0.000012
􀀅Z􀀅 G 0.000062
2
23/11/06 APP B-60
Appendix B Annex 10 — Aeronautical Communications
Table B-43. Type 10 degradation parameter message
Data content Bits used Range of values Resolution
Brrc 10 0 to 2.046 m 0.002 m
Cltc_lsb 10 0 to 2.046 m 0.002 m
Cltc_v1 10 0 to 0.05115 m/s 0.00005 m/s
Iltc_v1 9 0 to 511 s 1 s
Cltc_v0 10 0 to 2.046 m 0.002 m
Iltc_v0 9 0 to 511 s 1 s
Cgeo_lsb 10 0 to 0.5115 m 0.0005 m
Cgeo_v 10 0 to 0.05115 m/s 0.00005 m/s
Igeo 9 0 to 511 s 1 s
Cer 6 0 to 31.5 m 0.5 m
Ciono_step 10 0 to 1.023 m 0.001 m
Iiono 9 0 to 511 s 1 s
Ciono ramp 10 0 to 0.005115 m/s 0.000005 m/s
RSSUDRE 1 0 or 1 1
RSSiono 1 0 or 1 1
Ccovariance 7 0 to 12.7 0.1
Spare 81 — —
Note.— All parameters are defined in 3.5.4.7.
Table B-44. Type 12 SBAS network time/UTC message
Data content Bits used Range of values Resolution
A1SNT 24 ±7.45 × 10–9 s/s 2–50 s/s
A0SNT 32 ±1 s 2–30 s
t0t 8 0 to 602 112 s 4 096 s
WNt 8 0 to 255 weeks 1 week
ΔtLS 8 ±128 s 1 s
WNLSF 8 0 to 255 weeks 1 week
DN 8 1 to 7 days 1 day
ΔtLSF 8 ±128 s 1 s
UTC standard identifier 3 (see Table B-35) (see Table B-35)
GPS time-of-week (TOW) 20 0 to 604 799 s 1 s
GPS week number (WN) 10 0 to 1 023 weeks 1 week
GLONASS indicator 1 0 or 1 1
δai, GLONASS (Note 2) 24 ±2.0 ⋅ 10–8 s 2.0 ⋅ 10–31 s
Spare 50 — —
Notes.—
1. All parameters are defined in 3.5.4.8.
2. Applies only if SBAS sends GLONASS timing information in message Type 12 (see 3.5.7.4.4, Timing data).
APP B-61 23/11/06
Annex 10 — Aeronautical Communications Volume I
Table B-45. Type 17 GEO almanac message
Data content Bits used Range of values Resolution
For each of 3 satellites
Spare 2 — —
PRN code number 8 0 to 210 1
Health and status 8 — —
XG,A 15 ±42 598 400 m 2 600 m
YG,A 15 ±42 598 400 m 2 600 m
ZG,A 9 ±6 656 000 m 26 000 m
G,A 3 ±40 m/s 10 m/s
G,A 3 ±40 m/s 10 m/s
G,A 4 ±480 m/s 60 m/s
talmanac (applies to all three satellites) 11 0 to 86 336 s 64 s
 
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