u-blox ZED-F9P User Manual

u-blox ZED-F9P Interface Description - Manual
Advance Information
5.14.8 UBX-NAV-ORB (0x01 0x34)
5.14.8.1 GNSS Orbit Database Info
Message
UBX-NAV-ORB
Description
GNSS Orbit Database Info
Firmware
Supported on:
• u-blox 9 with protocol version 27
Type
Periodic/Polled
Comment
Status of the GNSS orbit database knowledge.
Header Class ID Length (Bytes) Payload Checksum
Message Structure
0xB5 0x62 0x01 0x34 8 + 6*numSv
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 U1 - version - Message version (1, for this version)
5 U1 - numSv - Number of SVs in the database
6 U1[2] - reserved1 - Reserved
Start of repeated block (numSv times)
8 + 6*N U1 - gnssId - GNSS ID
9 + 6*N U1 - svId - Satellite ID
10 + 6*N X1 - svFlag - Information Flags (see graphic below)
11 + 6*N X1 - eph - Ephemeris data (see graphic below)
12 + 6*N X1 - alm - Almanac data (see graphic below)
13 + 6*N X1 - otherOrb - Other orbit data available (see graphic below)
End of repeated block
Bitfield svFlag
This graphic explains the bits of svFlag
UBX-18010854 - R04 Advance Information Page 146 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