4 SBF Reference
GEOFastCorr
Number:
5927
"OnChange"
interval: block generated each time MT02, MT03, MT04,
MT05, MT24 and possibly MT00 is received from
an SBAS satellite
This block contains the decoded fast corrections transmitted in the SBAS message types 2,
3, 4, 5, 24 and possibly 0 if the type 0 message contains the type 2 contents. Refer to section
A.4.4.3 and A.4.4.8 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
u1
Message type from which these fast corrections come, either 0, 2, 3, 4, 5
or 24.
IODP
u1
Issue of data - PRN.
IODF
u1
Issue of data - fast corrections.
N
u1
Number of fast correction sets in this message. This is the number of
FastCorr
sub-blocks.
N
depends on the message type as follows.
Message type
N
MT00, MT02, MT03, MT04 13
MT05
12
MT24
6
SBLength
u1
Length of the
FastCorr
sub-blocks in bytes
FastCorr
...
...
A succession of N
FastCorr
sub-blocks, see definition below
Padding
u1[..]
Padding bytes, see 4.1.5
FastCorr
sub-block definition:
Parameter
Type Units
Description
PRNMaskNo
u1
Sequence number in the PRN mask. This field may be set to zero. In that case, all
following fields in this sub-block must be discarded.
UDREI
u1
User Differential Range Error Indicator for the PRN at index
PRNMaskNo
.
Reserved
u1[2]
Reserved for future use, to be ignored by decoding software
f4
1
m
Pseudorange correction for the PRN at index
PRNMaskNo
.
Padding
u1[..]
Padding bytes, see 4.1.5
369
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 ...