| Feature |
Item |
Description |
| Chipset |
GSC 3f |
SiRFStarIII single chip |
| 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 |
| Snap start |
1 sec., average |
| Hot start |
1 sec., average typical
TTFF |
| Warm start |
38 sec., average typical
TTFF |
| Cold start |
45 sec., average typical
TTFF |
| Dynamic
Conditions |
Altitude |
18,000 meters (60,000 feet) max. |
| Velocity |
515 meters/second (1000
knots) max. |
| Acceleration |
4g , max. |
| Jerk |
20 meters/second
3, max. |
| Power |
Main power input |
5 ± 10% V DC input. |
| Power consumption |
~350mW (continuous mode)
|
| Supply Current |
~70 mA |
| Backup Power |
1.5 ± 10% V DC input.
|
| Serial Port |
Electrical interface |
Two full duplex serial TTL interface.
|
| Protocol messages |
NMEA-0183@4800 bps
(Default) |
| Time-1PPS Pulse |
Level |
RS232 or TTL (optional) |
| Pulse duration |
1 µs |
| Time reference |
At the pulse positive
edge. |
| Measurement |
Aligned to GPS second, ±
1 microsecond |
| Environmental
Characteristics |
Operating temperature range |
-30 ° C to +60 &° C |
| Storage temperature range
|
-30° C to +65 ° C |
| Physical
Characteristics |
Length |
25 mm |
| Width |
25mm |
| Height |
8.4 mm |
| Weight |
5.0g
|
