Positioning specifications

Applicable receivers:  BD940 | BD940-INS | BX940

NOTE – The following specifications are provided at 1 sigma level when using a Trimble Zephyr 2 antenna. These specifications may be affected by atmospheric conditions, signal multipath, and satellite geometry. Initialization reliability is continuously monitored to ensure highest quality.

BD940

Feature

Specification

Initialization time

Typically <10 seconds

Initialization accuracy

>99.9%

Mode

Accuracy

Latency (at max. output rate)

Maximum Rate

Single Baseline RTK (<30 km)

0.008 m + 1 ppm horizontal

<20 ms

50 Hz

0.015 m + 1 ppm vertical

DGPS

0.25 m + 1 ppm horizontal

<20 ms

50 Hz

0.5 m + 1 ppm vertical

SBAS 1

0.5 m horizontal

<20 ms

50 Hz

0.85 m vertical

Autonomous

1.00 m horizontal

<20 ms

50 Hz

1.50 m vertical

BD940-INS

BD940-INS and BX940

Feature

Specification

Initialization time

Typically <10 seconds

Initialization accuracy

>99.9%

Mode

Accuracy

Latency (at max. output rate)

Maximum Rate

Single Baseline RTK (<30 km)

0.008 m + 1 ppm horizontal

<20 ms  

50 Hz

0.015 m + 1 ppm vertical

DGPS

0.25 m + 1 ppm horizontal

<20 ms

50 Hz

0.5 m + 1 ppm vertical

SBAS 1

0.5 m horizontal

<20 ms

50 Hz

0.85 m vertical

Autonomous

1.00 m horizontal

<20 ms

50 Hz

1.50 m vertical

INS-Autonomous

1.00 m horizontal

<20 ms

100 Hz

1.50 m vertical

roll/pitch

0.1°

Heading

.50°

INS-SBAS

0.50 m horizontal

<20 ms

100 Hz

0.85 m vertical

roll/pitch

0.1°

Heading

0.50°

INS-DGNSS

0.40 m horizontal

<20 ms

100 Hz

0.60 m vertical

roll/pitch

0.1°

Heading

0.50°

INS-RTK

0.05 m horizontal

<20 ms

100 Hz

0.03 m vertical

roll/pitch

0.1°

Heading

0.50°

1 GPS only and depends on SBAS system performance. FAA WAAS accuracy specifications are <5 m 3DRMS.