"Survey the Earth's geomagnetic field, and measure changes over time, in order to improve understanding the Earth's interior and the physics of the magnetosphere."
"Survey the Earth's geomagnetic field, and measure changes over time, in order to improve understanding the Earth's interior and the physics of the magnetosphere."
"Survey the Earth's geomagnetic field, and measure changes over time, in order to improve understanding the Earth's interior and the physics of the magnetosphere."
Continuation of constellation.
Amateur radio satellite.