FSS-NAV680-SA

Attitude Accuracy

Roll/Pitch: <0.2° rms

Heading: <0.3° rms

Bow: <0.3° rms

Update Rate

1~200Hz (Adjustable)

Gyroscope Measurement Range

±500°/s

Gyroscope Bias Instability

4deg/h @1σ

Accelerometer Measurement Range

±6g

Accelerometer Bias Instability

0.04mg @1σ

Estimated Position Accuracy

<2% @1σ

（In-vehicle Scenario, Loss of GPS signal for 30s,

no combination of wheel speedometer）

RTK Indicators

Positioning accuracy
(RMS)

Single point:

Horizontal: ＜1.5m;

Elevation: ＞2.5m

RTK:

Horizontal: 0.8cm+1ppm

Elevation: 1.5cm+1ppm

Directional accuracy
(RMS)

0.1 °/1m baseline

Velocity accuracy
(RMS)

0.02 m/s

PPS accuracy (RMS)

20 ns

Update rate

20 Hz

RTK initialization time

< 5s

Interface Type