A prototype communications system transmitted test data through Arctic ice at about 1.2 kilobytes per second, according to an MIT report published on September 4. The experiment used magnetic fields to connect equipment below the ice with a receiver above it.
The test took place near Utqiaġvik, Alaska, with logistical support from UIC Science. Researchers placed a remotely operated vehicle carrying the modem beneath lagoon ice. The equipment came from Norwegian partner Havguard and was being evaluated as an early prototype.
This communications work accompanied a broader effort to understand Arctic conditions, including sounds from animals, ice and human activity. Listening to those sounds and moving collected data are separate problems: a useful sensor must be paired with a practical way to retrieve its observations.
The team's account also describes weather disrupting planned work at the US Navy's Operation Ice Camp. That matters to the engineering question. Access cannot always be assumed, so researchers need systems whose deployment and data collection remain practical in difficult field conditions.
The reported transfer rate belongs to that particular test. It is not a claim of high-speed internet beneath polar ice or a completed communications network. Future designs would need further work on packaging, deployment and connection with the wider set of sensors.
The result shows a possible route for moving small amounts of information across an awkward boundary between underwater equipment and the surface. Its significance lies in demonstrating a working link under field conditions. Making that link reliable, convenient and part of a sustained monitoring system is the next challenge.