u-blox ZED-F9P Interface Description - Manual
Advance Information
5.12.7.7 UBX-MGA-INI-EOP
Message
UBX-MGA-INI-EOP
Description
Earth Orientation Parameters Assistance
Firmware
Supported on:
• u-blox 9 with protocol version 27
Type
Input
Comment
This message allows the delivery of new Earth Orientation Parameters (EOP) to a receiver to
improve AssistNow Autonomous operation.
Header Class ID Length (Bytes) Payload Checksum
Message Structure
0xB5 0x62 0x13 0x40 72
see below
CK_A CK_B
Payload Contents:
Byte Offset Number
Format
Scaling Name Unit Description
0 U1 - type - Message type (0x30 for this type)
1 U1 - version - Message version (0x00 for this version)
2 U1[2] - reserved1 - Reserved
4 U2 - d2kRef d reference time (days since 1.1.2000 12.00h
UTC)
6 U2 - d2kMax d expiration time (days since 1.1.2000 12.00h
UTC)
8 I4 2^-30 xpP0 arcsec x_p t^0 polynomial term (offset)
12 I4 2^-30 xpP1 arcsec/
d
x_p t^1 polynomial term (drift)
16 I4 2^-30 ypP0 arcsec y_p t^0 polynomial term (offset)
20 I4 2^-30 ypP1 arcsec/
d
y_p t^1 polynomial term (drift)
24 I4 2^-25 dUT1 s dUT1 t^0 polynomial term (offset)
28 I4 2^-30 ddUT1 s/d dUT1 t^1 polynomial term (drift)
32 U1[40] - reserved2 - Reserved
5.12.8 UBX-MGA-QZSS (0x13 0x05)
5.12.8.1 UBX-MGA-QZSS-EPH
Message
UBX-MGA-QZSS-EPH
Description
QZSS Ephemeris Assistance
Firmware
Supported on:
• u-blox 9 with protocol version 27
Type
Input
Comment
This message allows the delivery of QZSS ephemeris assistance to a receiver. See the
description of AssistNow Online for details.
Header Class ID Length (Bytes) Payload Checksum
Message Structure
0xB5 0x62 0x13 0x05 68
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)
UBX-18010854 - R04 Advance Information Page 123 of 259
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