FAQ Archive
GPSController FAQs - Page 235
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FAQ
What's the difference between observation and enforcement in hazmat route compliance?
Observation simply tracks where a vehicle has been, while enforcement actively prevents violations. A true compliance system treats non-approved streets as restricted zones and triggers instant alerts when a truck crosse...
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How does GPS signal loss in tunnels affect hazmat compliance monitoring?
GPS signal loss creates data gaps that regulators might interpret as missing or tampered records. A compliant system must use inertial sensors and dead reckoning technology to interpolate the vehicle's path during GPS dr...
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What is the most critical GPS tracking mistake for hazmat route compliance?
Using standard tracking update rates of every 2-3 minutes. Hazmat route deviations can happen and be corrected within 30 seconds, so you need near-real-time polling every 10-15 seconds to maintain a legally defensible co...
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When should I consider reconfiguring or replacing my GPS seal tracking system?
If your team spends more than 15 minutes daily reconciling seal alerts with actual shipment status, or if breaches or major location lags happen more than once per 100 shipments, the system design is insufficient. You ne...
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How does GPS accuracy change inside stacked shipping containers?
GPS accuracy degrades significantly—often to a 100-meter radius or worse—due to metal shielding. Modern seals use the last-known GPS fix combined with accelerometer-based dead reckoning to detect movement during transit...
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What causes 'seal tamper' alerts to arrive hours after the container left a facility?
This is typically a data sequencing failure. The seal detects tampering immediately but stores the event and can't transmit it until it later acquires a network connection. The alert arrives with a current timestamp, but...
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Why do GPS seals sometimes show location data that is hours old?
GPS seals often batch their GPS coordinates for transmission hours later to save battery, creating a dangerous lag between a breach event and knowing where it happened. This isn't a malfunction but a designed trade-off t...
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When should you replace your GPS tracking system in a port container yard?
When data latency causes tangible workflow breakdowns or compliance failures. If you're constantly manually correcting logs or missing productivity targets because location data is outdated, a platform upgrade to a moder...
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Can you use regular fleet trackers on heavy yard equipment in port yards?
No, not reliably. Regular fleet trackers typically lack the ruggedization, specialized power management for intermittent use, and advanced filtering algorithms needed to handle the unique movement patterns and signal cha...
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How much data delay is acceptable for container yard operations?
For coordinating container moves in real-time, any delay over 10-15 seconds becomes operationally hazardous. For historical reporting and compliance, even smaller delays can completely invalidate logs, making them useles...
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Why does GPS tracking fail on port cranes?
The steel structure of the crane itself acts like a giant signal blocker and reflector. Additionally, the constant slight sway at height introduces positional error that consumer-grade devices cannot filter out, resultin...
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What's the biggest hidden cost of poor sensor integration in fleet management?
The biggest hidden cost is erosion of trust in the entire telematics system. When drivers and dispatchers repeatedly find dashboard data is inaccurate, they stop using the system completely, negating the entire investmen...
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