Altina GBT708 - Manual (Page 4)

¾ Small, sleek, and lightweight design easily fits on your hand
¾ Enhanced algorithms -SnapLock and SnapStart provide superior navigation,
performance in urban, canyon and foliage environments
¾ For Car navigation, Marine navigation, Fleet management, AVL, Personal
navigation, Tracking System, and Mapping device application
3. SPECIFICATION
3.1. Basic Specification
¾ Chipset
SiRF Star IIe/LP chipset .
¾ Channels 12 parallel satellite-tracking channels.
¾ Frequency 1575.42 MHZ.
¾ Receiver L1, C/A code.
3.2. Acquisition Time (averaged)
¾ Reacquisition 0.1sec.
¾ Snap
start < 3 seconds (at < 25 minutes off period)
¾ Cold start < 45 seconds.
¾ Warm start < 38 seconds .
¾ Hot
start < 8 seconds
¾ Update
rate 1 second continuously
3.3. Receiver Accuracy
¾ Normal 5-25 meters CEP without SA
¾ Enable EGNOS or WAAS
„ Position < 2.2 meters, horizontal 95% of time
„ Position < 5 meters, Vertical 95% of time
¾ Velocity within 0.1 meters / second
¾ Time 1 microsecond synchronized GPS time
3.4. Use Limitation
¾ Altitude < 18,000 meters (60,000 feet)
¾ Velocity < 515 meters / second (700Knots)
¾ Acceleration 4G
4
¾ Jerk 20 meters / second, max