Spire engineer Shaina Johl runs tests on a Spire cubesat, the NanoRacks-LEMUR-2 qualification model, prior to its June 2017 launch from Orbital ATK’s Cygnus spacecraft. Credit: Spire Global

Spire Global is expanding cubesat constellation to offer persistent global view

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Spire Global, the San Francisco-based company that operates 48 GPS radio occultation cubesats, says it could provide a persistent view of about 97 percent of Earth with a constellation of 150 satellites.

American Meteorological Society 2018 ADS-BAISGPS radio occultationSpire Global