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Pseudo- nts for each satellite shall b using c ts and r which
deviates in 200 seconds after i , relative respo fined in
3.6.5.1 i en the code phase a rated carrier phase p to 0.01 metre pe d.
3.5. f data. The receiver shall use data from S message only if the CRC of this
message tion of a Type 0 messag om an SBAS satellite shall result in desel that satellite
and all d iscarded for at le minute. For GP es, the receiver ly long-term
correctio the IODE and ast significant bi DC. For GL atellites, the
receiver corrections only if the of reception (t NASS ep s inside the
followin s defined in 3.5.4.4.1:
tLT – L ≤ tr ≤ tLT – L
Not ing the SBAS satellite.
re n an out-of-tolerance condition for precision approach or APV II (3.5.7.5.1).
3.5.7.7.2.6 SBAS sh
re
Note.— The monitoring applie
sa
su rseded by 3.5.8 and Attachment D, 8.11.
satellite anomaly, SBAS shall continue to operate normally using the available healthy satellite signals that can be track
3.5.8 AIRCRAFT ELEMENTS
is section d in 3.5.4.
it
such as equipment that integrates SB tial n .
8.1 SBASAS
capable GN capa iver shall process
of the SB in 3.1.3.1 eiver) LONA
range measureme e smoothed
ni on
arrier measuremen
to the steady-state
a smoothing filte
less than 0.1 metre with tializati nse o ilter de
nd teg
f the f
n the presence of drift betwe in of u r secon
8.1.1 Conditions for use o an SBA
has been verified. Recep e fr e f
shall app
ction o
ata from that satellite shall be d
ns only if the IOD matches both
ast 1 S satellit
8 le ts
r
of the IO O s
hemeris i
NASS
shall apply long-term
g IOD validity interval, a
time ) of the GLO
– V
e.— This requirement does not imply that the receiver has to stop track
23/11/06 APP B-70
Appendix B Annex 10 — Aeronautical Communications
3.5.8.1.1.1 The receiver s ted with that data matches the
IODP associated with the PRN mask.
3.5.8.1.1.2 The receiver shall use SBAS-provided ionospheric data (IGP vertical delay estimate and GIVEIi) only if the
IODIk associated with that data in a Type 26 message matches the IODIk associated with the relevant IGP band mask
transmitted in a Type 18 message.
3.5.8.1.1.3 The receiver shall us e most recently ed integrity dat hich the IODFj equals 3 or the IODFj
matches the IODFj associated with the correction data lied (if corre ided).
3.5.8.1.1.4 The receiver shall apply any regional degradation to the σ2
i,UDRE
as defined by a Type 27 service message. If a
Type 27 message with a new IODS indicates a higher for the user location, the higher δUDRE shall be applied
immediately. A lower δUDRE in a new Type 27 message ot be applied unt omplete set of messages with the new
IODS has been received.
3.5.8.1.1.5 The receiver shall ly satellite-specific degradation to the RE
2 as defined by a Type 28 clockephemeris
covariance matrix message δUDRE derived f Type 28 messag be applied immediately.
3.5.8.1.1.6 For GPS satellites, the receiver shall apply long-term corrections only if the IOD matches both the IODE
and 8 LSBs of the IODC.
Note.— For SBAS satellites, there is no mechanism nks GEO ranging tion data (Type 9 message) and longrm
corrections.
3.5.8.1.1.7 In the event of a loss of four successive SBAS messages, the receiver shall no longer support SBAS-based
3.5.8.1.1.8 The receiver shall not use a broadcast data parameter after it has timed out as defined in Table B-56.
Data
Associated
message types
En-route, terminal,
NPA time-out
Precision approach,
APV time-out
hall use integrity or correction data only if the IODP associa
e th receiv a for w
fast being app ctions are prov
δUDRE
shall n il the c
app σi,UD
. The rom a e shall
that li func
te
precision approach or APV operations.
Table B-56. Data time-out intervals
Clock-ephemeris covariance matrix 28 360 240
SBAS in test mode 0 N/A N/A
1 600 s 600 s
2 to 6, 24 18 s 12 s
360 s 240 s
86 400 s
a message.
PRN mask
UDREI
Fast corrections 2 to 5, 24 (see Table B-57) (see Table B-57)
Long-term corrections 24, 25 360 s 240 s
GEO ranging function data 9 360 s 240 s
Fast correction degradation 7 360 s 240 s
Degradation parameters 10
Ionospheric grid mask 18 1 200 s 1 200 s
Ionospheric corrections, GIVEI 26 600 s 600 s
Timing data 12 86 400 s
GLONASS time offset 12 600 s 600 s
Almanac data 17 None None
Service level 27 86 400 s 86 400 s
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