Altina GBT708, Руководство пользователя

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