u-blox ZED-F9P Interface Description - Manual
Advance Information
5.12.3 UBX-MGA-DBD (0x13 0x80)
5.12.3.1 Poll the Navigation Database
Message
UBX-MGA-DBD
Description
Poll the Navigation Database
Firmware
Supported on:
• u-blox 9 with protocol version 27
Type
Poll Request
Comment
Poll the whole navigation data base. The receiver will send all available data from its
internal database. The receiver will indicate the finish of the transmission with a UBX-MGA-
ACK. The msgPayloadStart field of the UBX-MGA-ACK message will contain a U4
representing the number of UBX-MGA-DBD-DATA* messages sent.
Header Class ID Length (Bytes) Payload Checksum
Message Structure
0xB5 0x62 0x13 0x80 0
see below
CK_A CK_B
No payload
5.12.3.2 Navigation Database Dump Entry
Message
UBX-MGA-DBD
Description
Navigation Database Dump Entry
Firmware
Supported on:
• u-blox 9 with protocol version 27
Type
Input/Output
Comment
UBX-MGA-DBD messages are only intended to be sent back to the same receiver
that generated them.
Navigation database entry. The data fields are firmware specific. Transmission of this type
of message will be acknowledged by UBX-MGA-ACK messages, if acknowledgment has
been enabled (see the description of flow control for details).
The maximum payload size for firmware 2.01 onwards is 164 bytes (which makes the
maximum message size 172 bytes).
Header Class ID Length (Bytes) Payload Checksum
Message Structure
0xB5 0x62 0x13 0x80 12 + 1*N
see below
CK_A CK_B
Payload Contents:
Byte Offset Number
Format
Scaling Name Unit Description
0 U1[12] - reserved1 - Reserved
Start of repeated block (N times)
12 + 1*N U1 - data - fw specific data
End of repeated block
UBX-18010854 - R04 Advance Information Page 106 of 259
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