The SCaN Testbed, operating aboard the International Space Station, features two S-band and one Ka-band software defined radios, which will help NASA demonstrate advanced communications, networking and navigation tools in space. (NASA)
JAXA astronaut Akihiko Hoshide performs maintenance work on the International Space Station during an Expedition 32 spacewalk. Antennas in the background include those being used for the SCaN Testbed's testing of software defined radios in S-band and Ka-band. (NASA)
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