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SkyTraq Technology, Inc. Preliminary Draft www.skytraq.com.tw
TECHNICAL SPECIFICATIONS
Receiver Type L1 frequency, 230-channel Phoenix engine
Supported Satellites GPS, Beidou, Galileo, GLONASS, QZSS
Augmentation System QZSS, WAAS, EGNOS, MSAS, GAGAN
Accuracy Position 2.0m CEP
Velocity 0.1m/sec
Time 10ns
Startup Time 1 / 28 / 29 second hot / warm / cold start under open sky average
Reacquisition 1s
Sensitivity -148dBm cold-start*
-160dBm re-acquisition*
-165dBm tracking*
Multi-path Mitigation Advanced multi-path detection and suppression
A-GPS Server-based AGPS
Update Rate 1 / 2 / 4 / 5 / 8 / 10 / 20 / 25 Hz (default 1Hz)
Dynamics 4G (39.2m/sec
2
)
Operational Limits Altitude < 80,000m and velocity < 515m/s
Serial Interface 3.3V LVTTL level
Protocol NMEA-0183 V4.1, SkyTraq binary, 115200 baud, 8, N, 1
Datum Default WGS-84, User definable
Input Voltage 3.3V DC +/-10%
Current Consumption Acquisition 75mA @ 3.3V, Tracking 65mA @ 3.3V
Dimension 10.1mm L x 9.7mm W x 2.9mm H
Weight: 1g
Operating Temperature -40
o
C ~ +85
o
C
Storage Temperature -55 ~ +100
o
C
Humidity 5% ~ 95%
* used with good quality external LNA
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