u-blox ZED-F9P - 5.15 UBX-RXM Messages

u-blox ZED-F9P Interface Description - Manual
Advance Information
NAV-TIMEBDS continued
Byte Offset Number
Format
Scaling Name Unit Description
12 I2 - week - BDS week number of the navigation epoch
14 I1 - leapS s BDS leap seconds (BDS-UTC)
15 X1 - valid - Validity Flags (see graphic below)
16 U4 - tAcc ns Time Accuracy Estimate
Bitfield valid
This graphic explains the bits of valid
Name Description
sowValid
1 = Valid SOW and fSOW (see Time Validity section for details)
weekValid
1 = Valid week (see Time Validity section for details)
leapSValid
1 = Valid leapS
5.14.19 UBX-NAV-TIMEGAL (0x01 0x25)
5.14.19.1 Galileo Time Solution
Message
UBX-NAV-TIMEGAL
Description
Galileo Time Solution
Firmware
Supported on:
• u-blox 9 with protocol version 27
Type
Periodic/Polled
Comment
This message reports the precise Galileo time of the most recent navigation solution
including validity flags and an accuracy estimate.
Header Class ID Length (Bytes) Payload Checksum
Message Structure
0xB5 0x62 0x01 0x25 20
see below
CK_A CK_B
Payload Contents:
Byte Offset Number
Format
Scaling Name Unit Description
0 U4 - iTOW ms GPS time of week of the navigation epoch.
See the description of iTOW for details.
4 U4 - galTow s Galileo time of week (rounded to seconds)
8 I4 - fGalTow ns Fractional part of SOW (range: +/-500000000).
The precise Galileo time of week in seconds is:
galTow + fGalTow * 1e-9
12 I2 - galWno - Galileo week number
14 I1 - leapS s Galileo leap seconds (Galileo-UTC)
15 X1 - valid - Validity Flags (see graphic below)
16 U4 - tAcc ns Time Accuracy Estimate
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