Horizon Grade Specifications; Marine Applications; Heave Performance - SBG Navsight Ekinox IMU Hardware Manual

Navsight Solution – Hardware Manual

3.3. Horizon grade specifications

3.3.1. Marine applications

All specifications are valid with dual antenna aiding for typical marine survey trajectories.
Outage
Positioning Mode
Duration
SP
0 s RTK
PPK
SP
10 s RTK
PPK
SP
60 s RTK
PPK

3.3.1.1. Heave performance

Real Time Heave
Range 50 meters
Period 0 to 20 s
Accuracy 5 cm or 5%
Mode Real time, auto tuning
Position Accuracy
Horizontal Vertical
1.0 1.0
0.01 0.03
0.01 0.02
1.1 1.05
0.1 0.1
0.01 0.02
2.0 2.0
1.0 0.5
0.10 0.05
Delayed Heave (ShipMotionHP)
50 meters
0 to 40 s
2 cm or 2 %
Fixed 450s delay
Velocity Accuracy
Horizontal Vertical
0.01 0.01
0.01 0.01
0.01 0.01
0.015 0.015
0.015 0.015
0.01 0.01
0.035 0.025
0.035 0.025
0.03 0.01
Remark
Automatic adjustment to every sea conditions
Whichever is greater; Velocity aided heave
On board computation
27/74
NAVSIGHTHM.1.3
Attitude Accuracy (°)
Roll / Pitch Heading
0.007
0.01 (baseline > 2m)
0.007
0.004 0.008
0.007
0.01 (baseline > 2m)
0.007
0.004 0.01
0.01
0.015 (baseline > 2m)
0.01
0.005 0.01