FAQ Archive
GPSController FAQs - Page 263
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FAQ
What happens when a GPS device loses satellite signal and switches to inertial navigation?
When GPS signal is lost due to jamming, spoofing, or environmental factors, the device automatically switches to its inertial navigation system (INS). This system uses gyroscopes and accelerometers to estimate position,...
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When should a fleet operator consider redesigning their tracking system architecture?
Redesign becomes necessary when interference is persistent, targeted, and sophisticated enough to spoof multi-band GNSS and corrupt secondary systems. This is when the cost of not knowing true position (from safety fines...
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What operational problems occur when GPS interference affects multiple vessels in a fleet?
At scale, GPS interference causes workflow collapse: dispatchers can't manually verify every position shift, automated ETA predictions become useless, safety alerts flood in based on ghost ships or phantom positions, and...
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Why don't multi-constellation GNSS receivers protect against sophisticated spoofing attacks?
Sophisticated spoofing attacks broadcast false signals across all frequencies and constellations (GPS, GLONASS, Galileo) simultaneously. They fool receivers into locking onto stronger malicious signals, creating a 'stron...
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What is the difference between GPS jamming and spoofing for fleet tracking?
GPS jamming causes a complete loss of position signal, showing up as frozen or vanished asset icons on dashboards with 'GPS Signal Lost' alerts. Spoofing is more dangerous because it provides false but plausible position...
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When should a fleet manager seriously invest in BeiDou-3 B3A technology?
Invest when you have verified, repeated incidents of intentional jamming or spoofing that impact safety or asset recovery, AND the value of the asset or cargo justifies the 3-to-5 times higher hardware and management cos...
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Does the unjammable signal mean my trucks will never lose tracking?
Absolutely not. 'Unjammable' refers specifically to resistance against malicious radio frequency interference. Vehicles can still lose all GNSS signals in tunnels, under dense foliage, or in fortified warehouses, leading...
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Can I use BeiDou-3 B3A signal with my current fleet tracking devices?
No. The B3A signal requires specialized hardware—a compatible BeiDou receiver plus a secure module to handle the encrypted military signal. Standard GPS trackers cannot decode the B3A signal.
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What does 'unjammable' really mean for BeiDou-3 B3A military signal in fleet tracking?
The 'unjammable' label refers to signal integrity against deliberate interference, not perfect availability. B3A uses military-grade encryption and wider bandwidth, making it exponentially harder for cheap jammers to spo...
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What is the key advantage of BeiDou over GPS for countries like Iran?
The key advantage isn't just better accuracy in the Asia-Pacific region, but guaranteed access and removal of the risk that an external party can deny the service. BeiDou provides independent control over navigation timi...
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Do companies need to replace all hardware to switch from GPS to BeiDou?
Not necessarily. Most modern telematics devices are multi-constellation and can receive GPS, GLONASS, Galileo, and BeiDou signals. The switch often requires only software configuration to prioritize BeiDou satellites. Ho...
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What are the main risks of relying on GPS for national infrastructure?
The main risks include: 1) Signal denial or degradation by the controlling nation during diplomatic tensions, 2) Operational collapse of precise logistics systems during outages, 3) Compliance breaches due to delayed geo...
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