https://www.tno.nl/en/safe/integrated-air-missile-defence/accurate-geo-location-nanosatellites/
The MilSpace2 satellite system demonstrates the military use of a microsatellite spectrum monitoring system.
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https://newatlas.com/space/uk-nanosatellites-shipping-tracking/
Britain has sent two satellites smaller than a microwave into space that are the smartest produced by the UK. Four Glasgow-built Spire nanosatellites lifted...
ship movementsuksupercomputernanosatellitesbetter