Protect your precision:How to combat GNSS jamming and spoofing for survey-grade accuracy

GNSS signals weaken to 40-watt lightbulb levels at GNSS receivers, exposing them to jamming noise overloads and spoofing fake mimics that cause position errors. This eBook by Trimble^® covers detection via spectrum analyzers, RAIM integrity checks and Trimble Maxwell™ 7 technology filtering for reliable positioning in construction, agriculture and marine applications.

In this eBook, you will learn how to:

Spot jamming via carrier-to-noise drops and spoofing through abrupt position drifts using onboard spectrum analyzers
Reject fake signals with Trimble Maxwell DSP, tracking only authentic satellite data across GPS, GLONASS and Galileo
Verify orbits and cross-check L1/L2C/L5 data to flag inconsistencies from meaconing or chirp jammers
Apply RAIM to exclude compromised constellations, computing positions from unaffected ones like BeiDou or SBAS
Limit satellite search windows and sanity-check implausible shifts for continuous survey accuracy

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About Trimble

Trimble GNSS receivers employ anti-jamming technology, tested at Jammertest and DHS GET-CI trials, featuring spectrum monitoring and autonomous integrity for surveyors, drones and autonomous vehicles. Solutions protect against illegal car jammers and IoT RF bleed in utilities, transportation and precision agriculture.