u-blox ZED-F9P Interface Description - Manual
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MGA-BDS continued
Byte Offset
Number
Format
Scaling
Name
Unit
Description
1
U1
-
version
-
Message version (0x00 for this version)
2
U1[2]
-
reserved1
-
4
I4
2^-30
a0UTC
s
BDT clock bias relative to UTC
8
I4
2^-50
a1UTC
s/s
BDT clock rate relative to UTC
12
I1
-
dtLS
s
Delta time due to leap seconds before the new
leap second effective
13
U1[1]
-
reserved2
-
14
U1
-
wnRec
week
BeiDou week number of reception of this UTC
parameter set (8 bit truncated)
15
U1
-
wnLSF
week
Week number of the new leap second
16
U1
-
dN
day
Day number of the new leap second
17
I1
-
dtLSF
s
Delta time due to leap seconds after the new
leap second effective
18
U1[2]
-
reserved3
-
5.12.2.5 UBX-MGA-BDS-IONO
Message
UBX-MGA-BDS-IONO
Description
BDS Ionospheric Assistance
Firmware
Supported on:
•
u-blox 9 with protocol version 27
Type
Input
Comment
This message allows the delivery of BeiDou ionospheric assistance to a receiver. See the
description of
for details.
Header
Class
ID
Length (Bytes)
Payload
Checksum
Message Structure
0xB5 0x62
0x13 0x03 16
see below
CK_A CK_B
Payload Contents:
Byte Offset
Number
Format
Scaling
Name
Unit
Description
0
U1
-
type
-
Message type (0x06 for this type)
1
U1
-
version
-
Message version (0x00 for this version)
2
U1[2]
-
reserved1
-
4
I1
2^-30
alpha0
s
Ionospheric parameter alpha0
5
I1
2^-27
alpha1
s/pi
Ionospheric parameter alpha1
6
I1
2^-24
alpha2
s/pi^2
Ionospheric parameter alpha2
7
I1
2^-24
alpha3
s/pi^3
Ionospheric parameter alpha3
8
I1
2^11
beta0
s
Ionospheric parameter beta0
9
I1
2^14
beta1
s/pi
Ionospheric parameter beta1
10
I1
2^16
beta2
s/pi^2
Ionospheric parameter beta2
11
I1
2^16
beta3
s/pi^3
Ionospheric parameter beta3
12
U1[4]
-
reserved2
-
UBX-18010854 - R04
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