The Low Earth Multi-Use Receiver (LEMUR)

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The Low Earth Multi-Use Receiver (LEMUR) is Spire’s 3U CubeSat platform used to track maritime, aviation, and weather activity from space.

Spire Global 3U LEMUR satellite

Today, each 10x10x34.5 cm LEMUR is designed, built, and operated in-house by Spire. Less than 6kg, the LEMUR is powered by a deployable solar array, flying at 400-650 km in orbit for about 2 years. As of July 2018, each LEMUR carries an AIS, GNSS-RO, and ADS-B receiver.