u-blox ZED-F9P User Manual

u-blox ZED-F9P Interface Description - Manual
Advance Information
Bitfield valid
This graphic explains the bits of valid
Name Description
galTowValid
1 = Valid galTow and fGalTow (see Time Validity section for details)
galWnoValid
1 = Valid galWno (see Time Validity section for details)
leapSValid
1 = Valid leapS
5.14.20 UBX-NAV-TIMEGLO (0x01 0x23)
5.14.20.1 GLO Time Solution
Message
UBX-NAV-TIMEGLO
Description
GLO Time Solution
Firmware
Supported on:
• u-blox 9 with protocol version 27
Type
Periodic/Polled
Comment
This message reports the precise GLO 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 0x23 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 - TOD s GLONASS time of day (rounded to integer
seconds)
8 I4 - fTOD ns Fractional part of TOD (range: +/-500000000).
The precise GLONASS time of day in seconds is:
TOD + fTOD * 1e-9
12 U2 - Nt days Current date (range: 1-1461), starting at 1 from
the 1st Jan of the year indicated by N4 and
ending at 1461 at the 31st Dec of the third year
after that indicated by N4
14 U1 - N4 - Four-year interval number starting from 1996
(1=1996, 2=2000, 3=2004...)
15 X1 - valid - Validity flags (see graphic below)
16 U4 - tAcc ns Time Accuracy Estimate
UBX-18010854 - R04 Advance Information Page 164 of 259

u-blox ZED-F9P Specifications

General

GNSS	GPS, GLONASS, Galileo, BeiDou, QZSS, SBAS
Concurrent GNSS	4
RTK	Yes
Velocity Accuracy	0.05 m/s
Time Pulse Accuracy	30 ns
Operating Temperature	-40°C to +85°C
Supply Voltage	2.7 V to 3.6 V
Channels	184
Frequency Bands	L1, L2
Dimensions	22 mm x 17 mm x 2.4 mm
Interfaces	UART, SPI, I2C