FAQ Archive
GPSController FAQs - Page 302
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FAQ
What is the required response time for a real-time spoofing alert to be useful?
Operational usefulness collapses after about 90 seconds. For effective fleet management, alerts must arrive in under a minute to allow time for direct driver check-ins or remote immobilization commands before spoofed mov...
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How does GPS spoofing affect ELD compliance and hours-of-service logs?
GPS spoofing can falsify drive time by showing a vehicle as stationary when it's actually operating. This creates compliant-looking logs for drivers who are actually driving, turning a security breach into a regulatory a...
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What are the signs of a GPS spoofing attack on a fleet management dashboard?
GPS spoofing can appear as a vehicle jumping to an illogical location without transit history, moving in a perfectly straight line at constant speed, or having two devices from the same truck reporting different coordina...
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What's the solution to eliminate satellite switching delays?
You need devices that support 'concurrent multi-GNSS' processing, where all constellations are tracked at the same time, which requires modern hardware and eliminates switch delays.
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How do I know if my current fleet tracking has a slow fallback problem?
Look for 'jumps' or short straight lines on travel path replays in areas with known signal issues, and check raw data logs for GNSS source identifier changes with timestamp gaps in between.
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Can slow fallback switching affect driver compliance logs?
Yes. If a switch happens right when a duty status changes, the delay can cause a mismatch between engine data, location, and log timestamps, potentially leading to unflagged violations.
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Why is there a delay when switching satellite constellations?
The delay—often several seconds—happens because the receiver needs to power on different signal-processing chips, search for new satellites, and calculate a fresh position fix, creating a data gap.
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What is multi-constellation fallback in GPS tracking?
It's a device's ability to switch from one satellite system (like GPS) to another (like Galileo or BeiDou) when the primary signal is lost or gets weak, with the goal of keeping tracking without a break.
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When should I upgrade hardware versus updating software to address GPS jamming in my fleet?
If jamming events are predictable and short-lived, software filters that recognize jamming patterns and suspend unreliable data logging may suffice. However, if jamming is frequent or prolonged, you'll need hardware upgr...
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Can cellular triangulation serve as an effective backup when GPS is jammed in fleet operations?
No, cellular triangulation is often not effective because jamming zones typically target specific GPS frequencies, and cellular triangulation provides accuracy only within hundreds of meters. This level of precision is i...
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What are the main compliance risks when dealing with jammed GPS data in fleet tracking?
The biggest compliance risk is having tampered or uncorroborated logs in your audit trails. If jamming creates false GPS points showing a vehicle was at a location during an incident like theft, your entire electronic lo...
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How can I distinguish between GPS jamming and just bad signal in my fleet operations?
GPS jamming has a specific signature where multiple vehicles in the same area report impossible data simultaneously, such as high speed with zero RPM readings, or location fixes that jump erratically. In contrast, weak s...
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