FAQ Archive
GPSController FAQs - Page 211
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FAQ
Why isn't a backup cellular connection sufficient protection against electronic warfare threats?
In EW zones, threats are coordinated; jamming often targets L1 and L5 GPS bands AND satcom frequencies simultaneously. Teams waste critical hours troubleshooting what they think are 'device issues' or 'server latency' wh...
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When should we consider replacing our current tracking system entirely?
When your operational routes consistently pass through electronic warfare threat zones and your current provider can't integrate hardened, multi-source PNT data. If you're facing daily signal integrity alerts and manuall...
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Can we rely on the ship's onboard inertial navigation system (INS) during GPS attacks?
Only for short periods. Commercial INS systems drift significantly—hundreds of meters per hour—and require periodic GPS fixes to recalibrate. Without truth data, INS error compounds, making it useless for precise trackin...
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What's the biggest compliance risk from GPS spoofing for an oil tanker?
Unintentional violation of sanctioned shipping corridors or port exclusion zones. Your automated logs, powered by false GPS, will show you were in permitted waters, but terrestrial AIS or coastal radar will tell a comple...
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How can I detect if my tanker's GPS is being spoofed versus just malfunctioning?
Look for impossible data signatures such as perfect, unwavering signal strength in high-risk zones combined with complete absence of normal minor coordinate 'jitter.' Spoofed signals are often too clean. Another major re...
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How can I determine if my current fleet tracking system is immune to jamming?
You need controlled environment testing with a GPS signal simulator that replicates specific power and frequency hopping patterns used in modern jamming. Simple drive tests are insufficient—you must check for data contin...
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What makes a GPS controller truly immune to jamming compared to standard multi-constellation devices?
True immunity requires a controller that seamlessly and instantly switches positioning sources when GPS bands get jammed, with processor speed fast enough to resolve new positions from different satellite networks in und...
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Can GPS signals actually be jammed for commercial fleets in regions like the Persian Gulf?
Yes, regional actors use commercially available jammers that can drown out standard GPS signals across wide areas. This causes location drift, stale data, and complete blackouts for devices relying solely on one constell...
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What is multi-constellation GPS tracking and why is it important for fleets?
Multi-constellation GPS tracking uses multiple global satellite networks—like GPS, GLONASS, Galileo, and BeiDou—simultaneously to ensure continuous location data. It automatically switches sources if one is jammed or una...
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What are common mistakes when configuring dead reckoning backup systems?
Common mistakes include assuming INS is 'set and forget' without proper calibration, failing to set correct vehicle profiles (different vehicles behave differently), not defining clear fallback logic for GPS re-acquisiti...
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What causes the 'location jump' when GPS signal returns after an outage?
The location jump occurs when the INS-estimated position has drifted from the true location and the system instantly corrects to the fresh, accurate GPS fix. Better systems use smoothing algorithms to minimize this disru...
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How long can INS dead reckoning provide accurate positioning without GPS?
In optimal conditions with high-quality sensors, INS dead reckoning can provide useful positioning for 3 to 10 minutes. However, accuracy degrades over time due to sensor drift, making it a short-term bridge rather than...
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