The Space Café Podcast #71: Joel Spark – GM Space Services at Spire, unlocking the digital frontier and the quest to build a second earth. Spire Global is a data and analytics company that uses nanosatellites to track global data sets, such as maritime, aviation, and weather patterns. It operates a fleet of over 110 CubeSats, the second-largest commercial constellation by the number of satellites, and the largest by the number of sensors.