| Feature |
Item |
Description |
| Chipset |
GSC3f Series |
SiRFStarIII GSC3-7979 |
| 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)
|
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 |
370 mW (continuous operation) |
| Supply Current |
75 mA |
| I/O Interface |
Data Interface |
RS232 with PS2 / Earphone / RJ45 connector |
| Protocol messages |
NMEA-0183@19200 bps (Default) |
Ct-GM351(RS232).gif)
