4 SBF Reference
GEODegrFactors
Number:
5930
"OnChange"
interval: block generated each time MT10 is re-
ceived from an SBAS satellite
This block contains the decoded degradation factors transmitted in SBAS message type 10.
Refer to section A.4.5 of the DO-229 standard for further details.
Parameter
Type Units
Do-Not-Use
Description
Sync1
c1
Block Header, see 4.1.1
Sync2
c1
u2
ID
u2
Length
u2
1
byte
u4
0.001
s
4294967295
u2
1
week
65535
u1
ID of the SBAS satellite from which the message has been received (see
Reserved
u1
Reserved for future use, to be ignored by decoding software
Brrc
f8
1
m
A parameter associated with the relative estimation noise and round-off
error.
Cltc_lsb
f8
1
m
Maximum round-off error due to the LSB resolution of the orbit and clock
information.
Cltc_v1
f8
1
m / s
Velocity error bound on the maximum range rate difference of missed
messages due to clock and orbit rate differences.
Iltc_v1
u4
1
s
Update interval for long term corrections when the velocity code is 1.
Cltc_v0
f8
1
m
Bound on the update delta between successive long term corrections.
Iltc_v0
u4
1
s
Minimum update interval for long term messages when the velocity code
is 0.
Cgeo_lsb
f8
1
m
Maximum round-off error due to the LSB resolution of the orbit and clock
information.
Cgeo_v
f8
1
m / s
Velocity error bound on the maximum range rate difference of missed
messages due to clock and orbit rate differences.
Igeo
u4
1
s
Update interval for GEO navigation messages.
Cer
f4
1
m
A degradation parameter.
Ciono_step
f8
1
m
Bound on the difference between successive ionospheric grid delay val-
ues.
Iiono
u4
1
s
Minimum update interval for ionospheric correction messages.
Ciono_ramp
f8
1
m / s
Rate of change of the ionospheric corrections.
RSSudre
u1
Root-sum-square flag (UDRE)
RSSiono
u1
Root-sum-square flag (IONO)
Reserved2
u1[2]
Reserved for future use, to be ignored by decoding software
Ccovariance
f8
A parameter used to compensate for the errors introduced by quanti-
zation (introduced in DO 229-C). To be multiplied by the
SF
parameter
from the
block.
Padding
u1[..]
Padding bytes, see 4.1.5
373
Summary of Contents for PolaRx5TR
Page 1: ...PolaRx5TR Reference Guide Applicable to version 5 5 0 of the Firmware ...
Page 73: ...3 Command Line Reference Chapter 3 Command Line Reference 73 ...
Page 130: ...3 Command Line Reference COM1 gim CR R gim IonosphereModel off COM1 130 ...
Page 237: ...3 Command Line Reference COM1 237 ...
Page 279: ...3 Command Line Reference COM1 279 ...
Page 294: ...4 SBF Reference Chapter 4 SBF Reference 294 ...