urn:nasa:pds:mro_sharad_3d:data:planum_australe_3d_v1_time 1.0 1.22.0.0 Product_Observational 2025-06-09 1.0 Migration to PDS4 2006-12-06T02:52:01.337Z 2015-09-10T14:12:40.770Z Mars Reconnaissance Orbiter Mission urn:nasa:pds:context:investigation:mission.mars_reconnaissance_orbiter data_to_investigation SHARAD The Mars Reconnaissance Orbiter Host urn:nasa:pds:context:instrument_host:spacecraft.mro is_instrument_host Mars Reconnaissance Orbiter Shallow Radar Instrument urn:nasa:pds:context:instrument:sharad.mro is_instrument Mars Planet urn:nasa:pds:context:target:planet.mars data_to_target 1 2/849840721:22095 16/1126361602:013 PLANETARY SCIENCE INSTITUTE X 475 METER -1300312.5 Linear Y 475 METER -1300312.5 Linear DELAY_TIME 0.0375 MICROSECOND 0.0 Linear array cartography_parameters_to_image_object 0.0 360.0 -59.830299 -90.0 Polar Stereographic 0.0 -90.0 Coordinate Pair 475.0 475.0 124.0 124.0 -1300312.5 1300312.5 Planetocentric Mars 3396.0 3396.0 3376.0 Positive East 10.1190/tle36010043.1 F. J. Foss, N. E. Putzig, B. A. Cambell and R. J. Phillips, "3D imaging of Mars' polar ice caps using orbital radar data", in The Leading Edge, vol. 36, Issue 1, pp. 43-57, Jan. 2017, doi: 10.1190/tle36010043.1 Paper describing 3D imaging methodology used to create the 3D radargrams. 10.1016/j.icarus.2017.09.023 N. E. Putzig, I. B. Smith, M. R. Perry, F. J. Foss, B. A. Cambell, 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, July 2018, doi: 10.1016/j.icarus.2017.09.023. Paper describing initial science results from the 3D radargrams in this archive. planum_australe_3d_v1_time.dat array 3D RADAR VOLUME 0 3 Last Index Fastest The first and second (X and Y) axes are projected distances corresponding to LINE and SAMPLE pixel directions. The third axis, DELAY_TIME, is referenced to a radius of 3384.1983 km. A FRAME consists of all values along the third axis for a given X and Y location. BACKSCATTER STRENGTH is the square root of backscatter power. IEEE754LSBSingle X 5475 1 Y 5475 2 DELAY_TIME 1334 3 0.472519 -0.144791 BACKSCATTER STRENGTH RELATIVE TO FRAME MEAN planum_australe_3d_v1_time.lbl 0 PDS3 PDS3 label Carriage-Return Line-Feed