| Feature |
Content |
Description |
| Chipset |
GSC 3f Series |
SiRFStarIII GSC3-7875 |
| General |
Frequency |
L1, 1575.42 MHz |
| C/A code |
1.023 MHz chip rate |
| Channels |
20 |
| Accuracy |
Position |
10 meters, 2D RMS |
| 5 meters 2D RMS, WAAS corrected
|
| <5meters(50%), DGPS corrected
|
| Velocity |
0.1 meters/second |
| Time |
1 microsecond synchronized to GPS
time |
| 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 |
38 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 |
3.3 VDC |
| Power consumption |
230 mW (continuous mode) |
| Supply Current |
70 mA |
| Serial Port |
Data interface |
USB interface. |
| Protocol messages |
NMEA-0183@4800 bps (Default) |
| Gain |
LNA Gain |
Typical +22dB
|
