u-blox ZED-F9P Interface Description - Manual
Advance Information
5.12.7 UBX-MGA-INI (0x13 0x40)
5.12.7.1 UBX-MGA-INI-POS_XYZ
Message
UBX-MGA-INI-POS_XYZ
Description
Initial Position Assistance
Firmware
Supported on:
•
u-blox 9 with protocol version 27
Type
Input
Comment
Supplying position assistance that is inaccurate by more than the specified
position accuracy, may lead to substantially degraded receiver performance.
This message allows the delivery of initial position assistance to a receiver in cartesian ECEF
coordinates. This message is equivalent to the
for the coordinate system. See the description of
Header
Class
ID
Length (Bytes)
Payload
Checksum
Message Structure
0xB5 0x62
0x13 0x40 20
see below
CK_A CK_B
Payload Contents:
Byte Offset
Number
Format
Scaling
Name
Unit
Description
0
U1
-
type
-
Message type (0x00 for this type)
1
U1
-
version
-
Message version (0x00 for this version)
2
U1[2]
-
reserved1
-
4
I4
-
ecefX
cm
WGS84 ECEF X coordinate
8
I4
-
ecefY
cm
WGS84 ECEF Y coordinate
12
I4
-
ecefZ
cm
WGS84 ECEF Z coordinate
16
U4
-
posAcc
cm
Position accuracy (stddev)
5.12.7.2 UBX-MGA-INI-POS_LLH
Message
UBX-MGA-INI-POS_LLH
Description
Initial Position Assistance
Firmware
Supported on:
•
u-blox 9 with protocol version 27
Type
Input
Comment
Supplying position assistance that is inaccurate by more than the specified
position accuracy, may lead to substantially degraded receiver performance.
This message allows the delivery of initial position assistance to a receiver in WGS84
lat/long/alt coordinates. This message is equivalent to the
message, except for the coordinate system. See the description of
details.
Header
Class
ID
Length (Bytes)
Payload
Checksum
Message Structure
0xB5 0x62
0x13 0x40 20
see below
CK_A CK_B
Payload Contents:
Byte Offset
Number
Format
Scaling
Name
Unit
Description
0
U1
-
type
-
Message type (0x01 for this type)
1
U1
-
version
-
Message version (0x00 for this version)
2
U1[2]
-
reserved1
-
UBX-18010854 - R04
Advance Information
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