FAQ Archive
GPSController FAQs - Page 285
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FAQ
Can military-grade GPS hardware alone protect against electronic warfare attacks?
Military-grade (M-Code) GPS receivers do resist jamming and spoofing better, but they're costly and often export-controlled. More importantly, hardware is just one layer - real resilience comes from software's ability to...
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What are the main compliance risks from GPS spoofing attacks on commercial fleets?
The biggest compliance risks are falsified electronic logging device (ELD) records and location-stamped proof-of-delivery documents. If a driver's legally mandated hours-of-service log shows them parked while they were a...
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How can I distinguish between GPS jamming/spoofing and regular bad GPS signal in my fleet?
Bad GPS signal typically causes dropouts and general inaccuracies. Jamming causes complete, simultaneous loss of GPS across all vehicles in a specific area with sharp geographic boundaries. Spoofing is more subtle - look...
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What are the options for improving dark ship monitoring systems by 2026?
The options include patching current systems with better integration logic to seamlessly merge AIS and GPS Controller data into a single reliable vessel track, or replacing systems with platforms built for dual-source fu...
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What reporting delay creates compliance risks for oil tanker tracking?
A delay exceeding 15-30 minutes for position reporting can start creating compliance risks, especially in regulated zones or for just-in-time port arrivals. Auditors expect near-continuous tracking, and gaps can lead to...
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Why can't AIS and GPS Controller data be treated as redundant systems?
AIS and GPS Controller are not redundant systems because AIS is a VHF-based broadcast system primarily for collision avoidance, while the GPS Controller is a private telematics feed. Relying solely on AIS for compliance...
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What are the main challenges when switching between AIS and GPS Controller data?
The main challenges include 'data jitter' where vessels appear to jump locations on fleet management dashboards due to latency between AIS-derived positions and GPS Controller polling. There can be conflicting position d...
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What is dark ship monitoring for oil tankers?
Dark ship monitoring is the practice of tracking a vessel when its mandatory AIS (Automatic Identification System) transponder gets switched off, either intentionally or due to equipment failure. In this scenario, the ve...
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Is special hardware required for INS fusion capabilities?
Yes, specific hardware with physical inertial measurement units (IMUs) - accelerometers and gyroscopes - built into the tracking device is required. This cannot be added through software updates alone. For war zone readi...
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Do geofence alerts and route compliance tracking continue during GPS loss with INS fusion?
Yes, geofence alerts and route compliance continue based on estimated inertial positions. However, the system reports growing position uncertainty the longer GPS is unavailable. Alerts still fire but with high confidence...
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Can INS fusion help prevent GPS spoofing attacks?
Yes, indirectly. A robust fusion algorithm constantly compares INS-derived position and trajectory against GPS reports. If spoofed GPS shows impossible jumps in location or speed that contradict inertial sensors, the sys...
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What are the practical limitations of INS tracking without GPS signals?
INS tracking suffers from error accumulation or 'drift' where tiny sensor errors add up over time. After about 10 minutes of pure inertial navigation, position error could be 100 meters, and after 30 minutes, it could dr...
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