曝光台 注意防骗
网曝天猫店富美金盛家居专营店坑蒙拐骗欺诈消费者
0.0679 0.0552 0.0450 0.0365 0.0288 0.0372 0.0332 0.0297
a) System budget for CMN =
3.2 m (10.5 ft)
0.1003 0.0859 0.0752 0.0668 0.0602 0.0547 0.0501 0.0463
b) Ground equipment error
allowance
0.0315 0.0270 0.0236 0.0210 0.0189 0.0172 0.0158 0.0145
c) Airborne equipment error
allowance
0.0150 0.0150 0.0150 0.0150 0.0150 0.0150 0.0150 0.0150
d) Allowance for structure
vibration
0.0320 0.0320 0.0320 0.0320 0.0320 0.0320 0.0320 0.0320
e) Clean/complex site error
allocation
⎡⎢⎣e= a2−b2−c2−d2⎤⎥⎦
0.0884 0.0735 0.0620 0.0527 0.0449 0.0380 0.0319 0.0261
f) 70 per cent complex site error
allocation
0.0619 0.0515 0.0434 0.0369 0.0314 0.0266 0.0223 0.0183
ATT G-53 23/11/06
Annex 10 — Aeronautical Communications Volume I
Table G-11. Error allocations for MLS elevation critical area development
(all allocation values are in degrees)
Antenna beamwidth 1.5° 1.0°
a) System budget for PFN = 0.4 m (1.3 ft) 0.083 0.083
b) Ground equipment error allowance 0.010 0.010
c) Sidelobe reflections allowance 0.055 0.037
d) Clean site error allocation
⎡⎢⎣d= a2−b2−c2⎤⎥⎦
0.061
0.073
e) Vertical diffractions (field monitors) 0.030 0.030
f) Lateral reflections allowance 0.031 0.043
g) Complex site error allocation
⎡⎢⎣g= d2−e2−f2⎤⎥⎦
0.043
0.051
h) 70% complex site error allocation 0.030 0.036
a) System budget for CMN = 0.3 m (1.0 ft) 0.064 0.064
b) Ground equipment error allowance 0.032 0.032
c) Airborne equipment error allowance 0.010 0.010
d) Sidelobe reflections allowance 0.015 0.010
e) Allowance for structure vibration 0.010 0.010
f) Clean/complex site error allocation
⎡⎢⎣f = a2−b2−c2−d2−e2⎤⎥⎦
0.052
0.053
g) 70% complex site error allocation 0.036 0.037
23/11/06 ATT G-54
Attachment G Annex 10 — Aeronautical Communications
Table G-12A. Typical azimuth sensitive area lengths
(aligned approach along zero degree azimuth, see 4.3.7)
(distances are in metres (feet); values in both units have been rounded)
2.0° beamwidth 1.0° beamwidth
Azimuth to threshold
distance
1 830
(6 000)
2 140
(7 000)
2 440
(8 000)
2 750
(9 000)
3 050
(10 000)
3 350
(11 000)
3 660
(12 000)
3 960
(13 000)
B-747, clean site 490
(1 600)
520
(1 700)
580
(1 900)
610
(2 000)
640
(2 100)
670
(2 200)
700
(2 300)
700
(2 300)
B-727, clean site 300
(1 000)
300
(1 000)
300
(1 000)
300
(1 000)
300
(1 000)
300
(1 000)
460
(1 500)
490
(1 600)
B-747, complex site 490
(1 600)
550
(1 800)
580
(1 900)
640
(2 100)
700
(2 300)
730
(2 400)
760
(2 500)
820
(2 700)
B-727, complex site 300
(1 000)
300
(1 000)
300
(1 000)
460
(1 500)
550
(1 800)
460
(1 500)
490
(1 600)
550
(1 800)
Table G-12B. Typical azimuth sensitive area lengths
(offset approach, see 4.3.7.1)
(distances are in metres (feet); values in both units have been rounded)
2.0° beamwidth 1.0° beamwidth
Azimuth to threshold
distance
1 830
(6 000)
2 140
(7 000)
2 440
(8 000)
2 750
(9 000)
3 050
(10 000)
3 350
(11 000)
3 660
(12 000)
3 960
(13 000)
B-747, clean site 640
(2 100)
730
(2 400)
790
(2 600)
880
(2 900)
880
(2 900)
920
(3 000)
940
(3 100)
1 010
(3 300)
B-727, clean site 300
(1 000)
300
(1 000)
300
(1 000)
300
(1 000)
300
(1 000)
300
(1 000)
490
(1 600)
550
(1 800)
B-747, complex site 670
(2 200)
760
(2 500)
820
(2 700)
880
(2 900)
1 010
(3 300)
980
(3 200)
1 070
(3 500)
1 130
(3 700)
B-727, complex site 300
(1 000)
300
(1 000)
330
(1 100)
460
(1 500)
550
(1 800)
490
(1 600)
520
(1 700)
550
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