Apogee Grade Specifications; Common Specifications; Marine & Subsea Applications; Heave Performance - SBG Navsight Ekinox IMU Hardware Manual

Navsight Solution – Hardware Manual

3.2. Apogee grade specifications

3.2.1. Common specifications

Measurement range
Orientation noise
3.2.2. Marine & Subsea 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

3.2.2.1. Heave performance

Real Time Heave
Range 50 meters
Period 0 to 20 s
Accuracy 5 cm or 5%
Mode Real time, auto tuning
Performance
360° in all axes, no mounting limitation
< 0.002° RMS
Position Accuracy
Horizontal Vertical
1.0 1.0
0.01 0.03
0.01 0.02
1.2 1.1
0.17 0.1
0.03 0.02
5.0 2.0
4.0 0.75
0.15 0.05
Delayed Heave (ShipMotionHP)
50 meters
0 to 40 s
2 cm or 2 %
Fixed 450s delay
Remarks
Solid state sensors
Static conditions
Velocity Accuracy
Horizontal Vertical
0.02 0.01
0.01 0.01
0.01 0.01
0.03 0.015
0.02 0.015
0.015 0.01
0.15 0.075
0.15 0.075
0.04 0.03
Remark
Automatic adjustment to every sea conditions
Whichever is greater; Velocity aided heave
On board computation
25/74
NAVSIGHTHM.1.3
Attitude Accuracy (°)
Roll / Pitch Heading
0.01
0.03 (baseline > 2m)
0.015 (baseline > 4m)
0.008
0.005 0.015
0.01
0.04 (baseline > 2m)
0.02 (baseline > 4m)
0.008
0.005 0.015
0.015
0.05 (baseline > 2m)
0.04 (baseline > 4m)
0.012
0.008 0.025