u-blox ZED-F9P Interface Description - Manual
Advance Information
5.12.5.3 UBX-MGA-GLO-TIMEOFFSET
Message
UBX-MGA-GLO-TIMEOFFSET
Description
GLONASS Auxiliary Time Offset Assistance
Firmware
Supported on:
•
u-blox 9 with protocol version 27
Type
Input
Comment
This message allows the delivery of auxiliary GLONASS assistance (including the GLONASS
time offsets to other GNSS systems) to a receiver. See the description of
for details.
Header
Class
ID
Length (Bytes)
Payload
Checksum
Message Structure
0xB5 0x62
0x13 0x06 20
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
U2
-
N
days
Reference calendar day number within the four-
year period of almanac (from string 5)
4
I4
2^-27
tauC
s
Time scale correction to UTC(SU) time
8
I4
2^-31
tauGps
s
Correction to GPS time relative to GLONASS
time
12
I2
2^-10
B1
s
Coefficient to determine delta UT1
14
I2
2^-16
B2
s/msd
Rate of change of delta UT1
16
U1[4]
-
reserved1
-
5.12.6 UBX-MGA-GPS (0x13 0x00)
5.12.6.1 UBX-MGA-GPS-EPH
Message
UBX-MGA-GPS-EPH
Description
GPS Ephemeris Assistance
Firmware
Supported on:
•
u-blox 9 with protocol version 27
Type
Input
Comment
This message allows the delivery of GPS ephemeris assistance to a receiver. See the
description of
for details.
Header
Class
ID
Length (Bytes)
Payload
Checksum
Message Structure
0xB5 0x62
0x13 0x00 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)
1
U1
-
version
-
Message version (0x00 for this version)
2
U1
-
svId
-
)
3
U1
-
reserved1
-
4
U1
-
fitInterval
-
Fit interval flag
5
U1
-
uraIndex
-
URA index
UBX-18010854 - R04
Advance Information
Page 113 of 259