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A direct broadcast operations concept for the HyspIRI Mission

Show simple item record Chien, Steve A. Silverman, Dorothy Rabideau, Gregg Mandl, Daniel Hengemihle, Jerry 2015-03-26T23:03:14Z 2015-03-26T23:03:14Z 2010-04-25
dc.identifier.citation SpaceOps Conference 2010, Huntsville, Alabama, April 25-30, 2010 en_US
dc.identifier.clearanceno 10-0650
dc.description.abstract HyspIRI is evaluating a X-band Direct Broadcast (DB) capability that would enable data to be delivered to ground stations virtually as it is acquired. However the HyspIRI VSWIR and TIR instruments will produce 1 Gbps data while the DB capability is 15 M bps for a ~60x oversubscription. In order to address this data volume mismatch a DB concept has been developed that determines which data to downlink based on both: 1. the type of surface the spacecraft is overflying and 2. onboard processing of the data to detect events. For example when the spacecraft is overflying polar regions it might downlink a snow/ice product. Additionally the onboard software will search for thermal signatures indicative of a volcanic event or wild fire and downlink summary information (extent, spectra) when detected, thereby reducing data volume. en_US
dc.description.sponsorship NASA/JPL en_US
dc.language.iso en_US en_US
dc.publisher Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2010 en_US
dc.title A direct broadcast operations concept for the HyspIRI Mission en_US
dc.type Preprint en_US

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