Six innovator teams were invited to participate in Phase 3, which will award $900,000 in cash prizes. Two of the teams — Spire Global and SBQuantum — formed a Phase 3 partnership.

Compact Spaceborne Magnetic Observatory (COSMO) CubeSat

University of Colorado Boulder

A CubeSat specifically designed and tested for magnetic cleanliness and accurate data from a compact form factor. A compact scalar-vector magnetometer designed specifically for CubeSats enables high-quality collection of magnetic field data.

Diamond powered Geomagnetic Data Collection from LEO

Spire Global and SBQuantum

A diamond quantum magnetometer system deployed on a Cube-Satellite, combining SBQuantum’s novel magnetometer technology and sensor expertise with Spire Global’s existing infrastructure for satellites, ground stations, and data processing.

Global Acquisition of Magnetic Measurements at Altitude (GAMMA)

Stellar Solutions

A solution that would add miniature magnetometers as hosted payloads to planned satellite missions and expand a ground-based magnetometer array. The miniature space sensors are cost-effective, and the combination of spaceborne and terrestrial data decreases risk.

Small Integrated Geomagnetic Array (SIGMA)

Iota Technology

A CubeSat featuring a 3D magnetometer array that could provide greater precision and accuracy than a comparable fluxgate magnetometer.

Terrestrial and Seafloor Automated Magnetic Observatories

Royal Meteorological Institute of Belgium

An international network of 103 automated magnetic observatories on land and the seafloor. The observatories could be deployed at almost any global location; automation could deliver continuous data while decreasing staffing and support needs.