Abstract
COMS (Communication, Ocean and Meteorological Satellite), a first Korean multi-purpose geostationary satellite, was launched on 27 June 2010 (KST) to provide satellite communication and broadcasting services, ocean and weather observations over Korean peninsula for 7 years. Ka band communication payload, one of three payloads of COMS, was designed, manufactured, integrated and tested by ETRI. Ka band antenna was assembled into platform and aligned along with Bus standard. The environment test was performed to confirm payload performance and spacecraft interface. After COMS launched at Kourou, French Guyana, and positioned at 123.2 E, Ka band payload IOT of Antenna Pattern Measurements (APM) and payload RF performance measurement showed no performance degradation. Ka band communication payload is used for Ka band experimental study such as rain degradation measurement, for test bed to exploit new multi-media services development such as advanced satellite broadcasting and communication services, and for public communication services such as national disaster recovery services and more to contribute public welfare.
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