FLASH base program memory
3 SPECIFICATION
4
Key Feture
Frequency
L1, 1575.42 MHz
C/A Code
1.023 MHz chip rate
Channels
12
Sensitivity -173
dBW
Non DGPS (Differential GPS)
Position Horizontal 5 to 25 meter CEP, without SA
Velocity
0.1 meter/second, without SA
Time
1 microsecond synchronized GPS time
DGPS (Differential GPS)
Position Horizontal 1 to 5 meter, typical
Velocity
0.05 meter/second, typical
EGNOS/WAAS
< 2.2 m, horizontal 95% of time
Datum WGS-84
Performance
Hot start
8 sec., average
Warm start
38 sec., average
Cold start
45 sec., average
Reacquisition
0.1 sec. average
GPS Protocol
Default: NMEA 0183 V2.2 (Secondary: SiRF binary)
GPS Output Data
SiRF binary >> position, velocity, altitude, status and control ;
NMEA 0183 protocol, and supports command:
GGA, GSA, GSV, RMC, VTG, GLL (VTG and GLL are optional)
GPS transfer rate
Software command setting (Default : 4800,n,8,1 for NMEA )
Acceleration Limit
Less than 4g
Altitude Limit
18,000 meters (60,000 feet) ma
Velocity Limit
515 meters/sec. (1,000 knots) max.
Jerk Limit
20 meters/second, max
Operating -40
o
C to +85
o
C(internal temperature).
Storage -45
o
C to +100
o
C
Input Voltage
+4.75 ~ 5.5 VDC without accessories.
Power consumption
<80mA at 4.5- 5.5V input
