u-blox ZED-F9P Interface Description - Manual
Advance Information
Bitfield flags
This graphic explains the bits of
flags
Name
Description
crcFailed
0 when RTCM message received and passed CRC check, 1 when failed in which case refStation and msgType
might be corrupted and misleading
5.15.6 UBX-RXM-SFRBX (0x02 0x13)
5.15.6.1 Broadcast Navigation Data Subframe
Message
UBX-RXM-SFRBX
Description
Broadcast Navigation Data Subframe
Firmware
Supported on:
•
u-blox 9 with protocol version 27
Type
Output
Comment
This message reports a complete subframe of broadcast navigation data decoded from a
single signal. The number of data words reported in each message depends on the nature
of the signal.
Header
Class
ID
Length (Bytes)
Payload
Checksum
Message Structure
0xB5 0x62
0x02 0x13 8 + 4*numWords
see below
CK_A CK_B
Payload Contents:
Byte Offset
Number
Format
Scaling
Name
Unit
Description
0
U1
-
gnssId
-
)
1
U1
-
svId
-
)
2
U1
-
reserved1
-
3
U1
-
freqId
-
Only used for GLONASS: This is the frequency
slot + 7 (range from 0 to 13)
4
U1
-
numWords
-
The number of data words contained in this
message (up to 10, for currently supported
signals)
5
U1
-
chn
-
The tracking channel number the message was
received on
6
U1
-
version
-
Message version, (0x02 for this version)
7
U1
-
reserved2
-
Start of repeated block (numWords times)
8 + 4*N
U4
-
dwrd
-
The data words
End of repeated block
UBX-18010854 - R04
Advance Information
Page 180 of 259
