u-blox ZED-F9P - Page 117

u-blox ZED-F9P Interface Description - Manual
Advance Information
MGA-GAL continued
Byte Offset Number
Format
Scaling Name Unit Description
10 U2 2^-16 e - Eccentricity
12 I2 2^-14 deltaI semi-
circles
Inclination at reference time relative to i0 = 56
degree
14 I2 2^-15 omega0 semi-
circles
Longitude of ascending node of orbital plane at
weekly epoch
16 I2 2^-33 omegaDot semi-
circles/s
Rate of change of right ascension
18 I2 2^-15 omega semi-
circles
Argument of perigee
20 I2 2^-15 m0 semi-
circles
Satellite mean anomaly at reference time
22 I2 2^-19 af0 s Satellite clock correction bias 'truncated'
24 I2 2^-38 af1 s/s Satellite clock correction linear 'truncated'
26 U1 - healthE1B - Satellite E1-B signal health status
27 U1 - healthE5b - Satellite E5b signal health status
28 U1[4] - reserved2 - Reserved
5.12.4.3 UBX-MGA-GAL-TIMEOFFSET
Message
UBX-MGA-GAL-TIMEOFFSET
Description
Galileo GPS time offset assistance
Firmware
Supported on:
• u-blox 9 with protocol version 27
Type
Input
Comment
This message allows the delivery of Galileo time to GPS time offset. See the description of
AssistNow Online for details.
Header Class ID Length (Bytes) Payload Checksum
Message Structure
0xB5 0x62 0x13 0x02 12
see below
CK_A CK_B
Payload Contents:
Byte Offset Number
Format
Scaling Name Unit Description
0 U1 - type - Message type (0x03 for this type)
1 U1 - version - Message version (0x00 for this version)
2 U1[2] - reserved1 - Reserved
4 I2 2^-35 a0G s Constant term of the polynomial describing the
offset
6 I2 2^-51 a1G s/s Rate of change of the offset
8 U1 3600 t0G s DReference time for GGTO data
9 U1 - wn0G weeks Week Number of GGTO reference
10 U1[2] - reserved2 - Reserved
UBX-18010854 - R04 Advance Information Page 109 of 259