FAQ Archive
GPSController FAQs - Page 226
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FAQ
How does bad GNSS data affect my fuel and maintenance reports?
It completely compromises them. Fuel performance monitoring depends on accurate location and distance to calculate consumption. If the tracker reports erratic positions, your calculated mileage becomes wrong, making MPG...
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Why would all four GNSS systems fail at once in 2026?
They probably won't fail completely globally, but there's risk of localized, coordinated interference. This could be intentional jamming, intense solar weather affecting the ionosphere, or ground-based 5G interference. I...
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What does multi-constellation GNSS mean for my fleet?
It means your tracker can pick up signals from GPS (USA), GLONASS (Russia), Galileo (EU), and BeiDou (China) satellites. This provides more satellites to lock onto, which should help in challenging locations like cities...
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When should a shipping company overhaul its compliance data system instead of just fixing GPS issues?
The decision boundary is crossed after the first official inquiry or notice of non-compliance. Once regulatory bodies have flagged your data, simply improving GPS reliability isn't enough. You need a system redesign that...
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What is the most common non-obvious compliance risk from GPS signal loss?
The corruption of timestamps is the most significant risk. Position data without accurate, synchronized UTC time becomes worthless for compliance. Many interference events distort timing data, making entire days of posit...
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Can shipping companies simply explain GPS issues to authorities after they occur?
While explanations can be attempted, the burden of proof is high. Maritime authorities require continuous, unbroken, and reliable data. Post-event explanations are often viewed as excuses rather than evidence, as the com...
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How does GPS interference lead to sanctions breaches for shipping companies?
GPS interference can corrupt a vessel's AIS position data, making it appear on official records that the vessel visited prohibited ports or entered restricted waters. This false data constitutes a reportable sanctions br...
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Which regions have the highest GPS jamming risk for shipping?
The highest risk areas are near active military zones or testing areas including the Eastern Mediterranean, Persian Gulf, Black Sea, and parts of the South China Sea. However, jamming effects can travel hundreds of miles...
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What solutions are available for ships facing persistent GPS jamming?
Ships have three main approaches: 1) Tune by adding backup signals like GLONASS or Galileo, 2) Isolate by installing dedicated inertial units and training crews on manual fixes, or 3) Redesign the entire navigation pipel...
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What are the risks of treating GPS jamming as just a temporary signal issue?
Treating military-grade GPS jamming as a temporary signal issue is dangerous because delays in switching to full manual procedures can lead to accidents. Crews might misread compasses or not account for currents, and sti...
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How does military GPS jamming affect civilian shipping operations?
Military GPS jamming causes operational blindness for ships, leading to instant loss of primary positioning. It freezes AIS screens or shows incorrect coordinates, causes ECDIS alarms, and creates cascading failures in s...
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What strategies can fleet managers use to handle LORAN backup systems?
Fleet managers can tune their platforms by widening alert thresholds and geofence radii, reconfigure with hybrid systems that switch between LORAN and available GNSS signals, or replace single-source positioning with sen...
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