u-blox ZED-F9P Interface Description - Manual
Advance Information
5.12 UBX-MGA (0x13)
Multiple GNSS Assistance Messages: i.e. Assistance data for various GNSS.
Messages in the MGA class are used for GNSS aiding information from and to the receiver.
5.12.1 UBX-MGA-ACK (0x13 0x60)
5.12.1.1 UBX-MGA-ACK-DATA0
Message
UBX-MGA-ACK-DATA0
Description
Multiple GNSS Acknowledge message
Firmware
Supported on:
•
u-blox 9 with protocol version 27
Type
Output
Comment
This message is sent by a u-blox receiver to acknowledge the receipt of an assistance
message. Acknowledgments are enabled by setting the ackAiding parameter in the
message. See the description of
for details.
Header
Class
ID
Length (Bytes)
Payload
Checksum
Message Structure
0xB5 0x62
0x13 0x60 8
see below
CK_A CK_B
Payload Contents:
Byte Offset
Number
Format
Scaling
Name
Unit
Description
0
U1
-
type
-
Type of acknowledgment:
0: The message was not used by the receiver
(see infoCode field for an indication of why)
1: The message was accepted for use by the
receiver (the infoCode field will be 0)
1
U1
-
version
-
Message version (0x00 for this version)
2
U1
-
infoCode
-
Provides greater information on what the
receiver chose to do with the message contents:
0: The receiver accepted the data
1: The receiver doesn't know the time so can't
use the data (To resolve this a
message should be supplied first)
2: The message version is not supported by the
receiver
3: The message size does not match the
message version
4: The message data could not be stored to the
database
5: The receiver is not ready to use the message
data
6: The message type is unknown
3
U1
-
msgId
-
UBX message ID of the ack'ed message
4
U1[4]
-
msgPayloadSta
rt
-
The first 4 bytes of the ack'ed message's
payload
UBX-18010854 - R04
Advance Information
Page 101 of 259
