|
Feature
|
Content
|
Description
|
|
Chipset
|
GSC3f Series
|
SiRFStarIII Low Power single chip
|
|
General
|
Frequency
|
L1, 1575.42 MHz
|
|
C/A code
|
1.023 MHz chip rate
|
|
Channels
|
20
|
|
Accuracy
|
Horizontal
|
Autonomous : < 2.5 meters
|
|
|
Position
|
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 )1
|
Reacquisition
|
0.1 sec., average
|
|
Hot start
|
1 sec., average typical TTFF
|
|
Warm start
|
35 sec., average typical TTFF
|
|
Cold start
|
35 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
|
3.3~5 VDC
|
|
Power consumption
|
370 mW (continuous operation)
|
|
Supply Current
|
75 mA
|
|
I/O Interface
|
Data Interface
|
TTL with PS2 connector
|
|
Protocol messages
|
NMEA-0183@4800 bps (Default)
|
