u-blox ZED-F9P Interface Description - Manual
Advance Information
5.12.6.3 UBX-MGA-GPS-HEALTH
Message
UBX-MGA-GPS-HEALTH
Description
GPS Health Assistance
Firmware
Supported on:
•
u-blox 9 with protocol version 27
Type
Input
Comment
This message allows the delivery of GPS health assistance to a receiver. See the description
of
for details.
Header
Class
ID
Length (Bytes)
Payload
Checksum
Message Structure
0xB5 0x62
0x13 0x00 40
see below
CK_A CK_B
Payload Contents:
Byte Offset
Number
Format
Scaling
Name
Unit
Description
0
U1
-
type
-
Message type (0x04 for this type)
1
U1
-
version
-
Message version (0x00 for this version)
2
U1[2]
-
reserved1
-
4
U1[32]
-
healthCode
-
Each byte represents a GPS SV (1-32). The 6
LSBs of each byte contains the 6 bit health code
from subframes 4/5 page 25.
36
U1[4]
-
reserved2
-
5.12.6.4 UBX-MGA-GPS-UTC
Message
UBX-MGA-GPS-UTC
Description
GPS UTC Assistance
Firmware
Supported on:
•
u-blox 9 with protocol version 27
Type
Input
Comment
This message allows the delivery of GPS UTC assistance to a receiver. See the description of
Header
Class
ID
Length (Bytes)
Payload
Checksum
Message Structure
0xB5 0x62
0x13 0x00 20
see below
CK_A CK_B
Payload Contents:
Byte Offset
Number
Format
Scaling
Name
Unit
Description
0
U1
-
type
-
Message type (0x05 for this type)
1
U1
-
version
-
Message version (0x00 for this version)
2
U1[2]
-
reserved1
-
4
I4
2^-30
utcA0
s
First parameter of UTC polynomial
8
I4
2^-50
utcA1
s/s
Second parameter of UTC polynomial
12
I1
-
utcDtLS
s
Delta time due to current leap seconds
13
U1
2^12
utcTot
s
UTC parameters reference time of week (GPS
time)
14
U1
-
utcWNt
weeks
UTC parameters reference week number (the 8
bit WNt field)
UBX-18010854 - R04
Advance Information
Page 116 of 259