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Quantum Leap: Diamonds Navigate the Globe
4 Apr
Summary
- Quantum diamond sensors offer precise magnetic field tracking.
- SBQuantum's sensor launched into orbit for WMM data.
- New tech promises GPS-alternative navigation.
A Canadian company, SBQuantum, has successfully deployed its quantum diamond magnetometer into orbit, a pivotal development in monitoring Earth's magnetic field. This technology is designed to feed continuous data into the World Magnetic Model (WMM), which underpins navigation systems used globally. The WMM requires constant updates as the magnetic North Pole is rapidly shifting, affecting the accuracy of compasses and navigation equipment.
SBQuantum's 'Diamond Polaris - 1' sensor represents a leap beyond current satellite infrastructure, much of which is aging. The MagQuest Challenge, initiated by the NGA, sought next-generation sensing technologies to ensure navigational reliability. These quantum diamond sensors are highly stable and accurate, even at room temperature, and can be scaled down significantly for future applications.
The collected data is processed by the NOAA and NGA to inform WMM updates. Higher-resolution magnetic maps derived from this technology could offer an alternative positioning system to GPS, achieving up to 100m precision without reliance on satellite signals. SBQuantum anticipates further miniaturization of their sensors, with potential applications in defense, security, and underwater object detection.
