u-blox ZED-F9P Interface Description - Manual
Advance Information
NAV-SVIN continued
Byte Offset Number
Format
Scaling Name Unit Description
25 I1 - meanYHP 0.1_
mm
Current high-precision survey-in mean position
ECEF Y coordinate. Must be in the range -99..
+99.
The current survey-in mean position ECEF Y
coordinate, in units of cm, is given by
meanY + (0.01 * meanYHP)
26 I1 - meanZHP 0.1_
mm
Current high-precision survey-in mean position
ECEF Z coordinate. Must be in the range -99..
+99.
The current survey-in mean position ECEF Z
coordinate, in units of cm, is given by
meanZ + (0.01 * meanZHP)
27 U1 - reserved2 - Reserved
28 U4 - meanAcc 0.1_
mm
Current survey-in mean position accuracy
32 U4 - obs - Number of position observations used during
survey-in
36 U1 - valid - Survey-in position validity flag, 1 = valid,
otherwise 0
37 U1 - active - Survey-in in progress flag, 1 = in-progress,
otherwise 0
38 U1[2] - reserved3 - Reserved
5.14.18 UBX-NAV-TIMEBDS (0x01 0x24)
5.14.18.1 BDS Time Solution
Message
UBX-NAV-TIMEBDS
Description
BDS Time Solution
Firmware
Supported on:
• u-blox 9 with protocol version 27
Type
Periodic/Polled
Comment
This message reports the precise BDS 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 0x24 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 - SOW s BDS time of week (rounded to seconds)
8 I4 - fSOW ns Fractional part of SOW (range: +/-500000000).
The precise BDS time of week in seconds is:
SOW + fSOW * 1e-9
UBX-18010854 - R04 Advance Information Page 162 of 259
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