Feature

Content

Description

Chipset

GSC3f Series

SiRFStarIII GSC3-7979

General

Frequency

L1, 1575.42 MHz

C/A code

1.023 MHz chip rate

Channels

20

Accuracy

Position

Autonomous : < 2.5 meters

SBAS : < 2.0 meters

Velocity

Speed: < 0.01 meters/second

Heading: < 0.01°

Datum

Default

WGS-84

Other

selectable for other Datum

Time to First Fix ( TTFF )

Reacquisition

0.1 sec., average

Hot start

1 sec., average typical TTFF

Warm start

35 sec., average typical TTFF

Cold start

42 sec., average typical TTFF

Dynamic Conditions

Altitude

18, 000 meters (60, 000 feet) max.

Velocity

515 meters/second (1000 knots) max.

Acceleration

4g, max.

Power

Main power

5 VDC

Power consumption

340 mW (continuous mode)

Supply Current

68 mA

I/O Interface

Data interface

USB interface.

Protocol messages

NMEA-0183@4800 bps (Default)