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PinPoint EDGE/GPRS - User Guide, version 2.32 148
Frequently Asked Questions and Technical Support
GPS Features
The vehicle speed is based on the accuracy of each GPS recorded point which can be off by 10
meters in any direction. What you want to look for is a trend. If a point veers off suddenly in a
random direction (i.e. off the road), then it's probably not valid. If you have a sudden low or high
speed reading, then this may point to an inaccurate speed reading. Otherwise, if you see consistent
acceleration and deceleration, it's probably accurate.
GPS has many variables which can affect it’s accuracy:
• Are you getting a full view of the sky from the vehicle or antenna location?
• Do you have tall buildings or trees around?
• Is the weather cloudy?
• Other factors may contribute to inaccurate GPS.
FIGURE 2. Wireless Ace: Challenge Code
4.
Enter the Daily Password provided by the AirLink support technician.
Note: The Daily Password will only work for the modem you requested, the copy
of Wireless Ace you used to obtain the Challenge Code, and only for the specific
time (approximately 24 hours).
Can I track vehicle speed with my PinPoint ?
What can affect GPS accuracy?