urn:nasa:pds:mro_sharad_simulations:data:s_07913402_rtrn 1.0 SHARAD surface clutter simulation nadir and first return information 1.16.0.0 Product_Observational Christoffersen, M. S.; Holt, J. W.; Kempf, S. D.; O'Connell, J. D. 2021 Surface clutter simulations for SHARAD observations 2024-06-01 1.0 Initial version. 2023-06-14T11:37:03.418Z 2023-06-14T11:47:24.644Z MARS RECONNAISSANCE ORBITER Mission urn:nasa:pds:context:investigation:mission.mars_reconnaissance_orbiter data_to_investigation MARS RECONNAISSANCE ORBITER Host urn:nasa:pds:context:instrument_host:spacecraft.mro is_instrument_host SHALLOW RADAR for MRO Instrument urn:nasa:pds:context:instrument:sharad.mro is_instrument Mars Planet urn:nasa:pds:context:target:planet.mars data_to_target 2023-06-14T11:37:03.418Z 2023-06-14T11:47:24.644Z 29.7161 -3.36345 250.845 246.602 urn:nasa:pds:mro_sharad_simulations:browse:s_07913402_browse data_to_browse Clutter simulation browse images. urn:nasa:pds:mro_sharad_simulations:data:s_07913402_sim data_to_associate Surface clutter simulation. urn:nasa:pds:mro_sharad_simulations:data:s_07913402_emap data_to_associate Echo power map. 10.1109/LGRS.2016.2581799 P. Choudhary, J. W. Holt and S. D. Kempf, "Surface Clutter and Echo Location Analysis for the Interpretation of SHARAD Data From Mars," in IEEE Geoscience and Remote Sensing Letters, vol. 13, no. 9, pp. 1285-1289, Sept. 2016, doi: 10.1109/LGRS.2016.2581799. Paper describing surface clutter simulation algorithm used to create this archive. 10.1016/j.icarus.2017.09.023 N. E. Putzig, I. B. Smith, M. R. Perry, F. J. Foss, B. A. Campbell, R. J. Phillips, and R. Seu, "Three-dimensional radar imaging of structures and craters in the Martian polar caps," in Icarus, vol. 308, pp. 138-147, 2018, Mars Polar Science VI, doi: 10.1016/j.icarus.2017.09.023. Paper descrbing the topographic model of Mars used to create these surface clutter simulations MRO-M-SHARAD-5-RADARGRAM-V2.0:S_07913402_RGRAM The clutter simulation product is related to this PDS3 SHARAD radargram product and can be used to aid interpretation of the radargram. MRO-M-SHARAD-5-RADARGRAM-V2.0:S_07913402_GEOM data_to_derived_source_product PDS GEO SHARAD radargram geom file MGS-M-MOLA-5-MEGDR-L3-V1.0:MEGA90N000EB.IMG data_to_derived_source_product PDS GEO Model of the Martian areoid used to vertically datum this simulation. MRO-M-SPICE-6-V1.0 data_to_derived_source_product PDS NAIF Mars Reconnaissance Orbiter SPICE data archive s_07913402_rtrn.csv 2024-05-17T20:29:41.516Z
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139 PDS DSV 1 4267 Carriage-Return Line-Feed Comma 12 0 Column ASCII_Integer Radargram column SpacecraftLon ASCII_Real degree Spacecraft longitude SpacecraftLat ASCII_Real degree Spacecraft geodetic latitude on the Mars IAU2000 ellipsoid SpacecraftHgt ASCII_Real meter Spacecraft height above the Mars IAU2000 ellipsoid NadirHgt ASCII_Integer meter Height of the sub-spacecraft (nadir) point on the MOLA+SHARAD surface above the Mars IAU2000 ellipsoid NadirLine ASCII_Integer Radargram line of the nadir return NadirAreoidRad ASCII_Integer meter Sub-spacecraft radius of the areoid used to vertically datum the clutter simulation from the center of mass of the planet NadirEllipsoidRad ASCII_Real meter Sub-spacecraft radius of the IAU Mars 2000 ellipsoid from the center of mass of the planet FirstLon ASCII_Real degree First return longitude FirstLat ASCII_Real degree First return latitude FirstHgt ASCII_Real meter Height of the first return point on the MOLA+SHARAD surface above the Mars IAU2000 ellipsoid FirstLine ASCII_Integer Radargram line of the first return