4 SBF Reference
GEOClockEphCovMatrix
Number:
5934
"OnChange"
interval: block generated each time MT28
is received from an SBAS satel-
lite
This block contains the decoded clock-ephemeris covariance Cholesky factor matrix trans-
mitted in SBAS message type 28. Refer to section A.4.4.16 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
Satellite ID, see 4.1.9
IODP
u1
Issue of data - PRN.
N
u1
Number of covariance matrices in this message. This is the number of
CovMatrix
sub-blocks.
N
can be 1 or 2.
SBLength
u1
1
byte
Length of the
CovMatrix
sub-blocks in bytes
Reserved
u1[2]
Reserved for future use, to be ignored by decoding software
CovMatrix
...
...
A succession of N
CovMatrix
sub-blocks, see definition below
Padding
u1[..]
Padding bytes, see 4.1.5
CovMatrix
sub-block definition:
Parameter
Type Units
Description
PRNMaskNo
u1
Sequence number in the PRN mask, from 1 to 51. Note that if the PRN mask No. from
the original message is 0, the corresponding matrix is ignored, and hence not included
in the
block.
Reserved
u1[2]
Reserved for future use, to be ignored by decoding software
ScaleExp
u1
Scale exponent; scale factor ( = 2
(scale exponent - 5)
)
E11
u2
E
1,1
E22
u2
E
2,2
E33
u2
E
3,3
E44
u2
E
4,4
E12
i2
E
1,2
E13
i2
E
1,3
E14
i2
E
1,4
E23
i2
E
2,3
E24
i2
E
2,4
E34
i2
E
3,4
Padding
u1[..]
Padding bytes, see 4.1.5
380
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 ...