urn:nasa:pds:mex_marsis_optim:ionosphere_data:o_09708_ionosphere 1.0 1.16.0.0 Product_Observational 2011-08-11T10:24:58.219Z 2011-08-11T10:46:09.508Z Science Derived Radio Atmosphere Atmospheres MARS EXPRESS Mission urn:esa:psa:context:investigation:mission.mars_express data_to_investigation MARS EXPRESS Host urn:esa:psa:context:instrument_host:spacecraft.mex is_instrument_host MARSIS Instrument urn:esa:psa:context:instrument:mex.marsis is_instrument Mars Planet urn:nasa:pds:context:target:planet.mars data_to_target urn:nasa:pds:mex_marsis_optim:ionosphere_browse:o_09708_ionosphere_delay data_to_browse urn:nasa:pds:mex_marsis_optim:ionosphere_browse:o_09708_ionosphere_coeff data_to_browse urn:nasa:pds:mex_marsis_optim:geometry:o_09708_geom data_to_geometry o_09708_ionosphere.tab 2023-06-18T01:31:41Z 167904 848 0 PDS DSV 1 Estimated ionospheric properties based on autofocus algorithm for each radargram frame. 848 Carriage-Return Line-Feed Comma 17 0 Frame 1 ASCII_Integer Radargram frame Ephemeris Time 2 ASCII_Real Ephemeris time of observation Time 3 ASCII_Date_Time_YMD UTC date and time of observation Lat 4 ASCII_Real Degree Spacecraft footprint latitude on ellipsoid Lon 5 ASCII_Real Degree Spacecraft footprint longitude on ellipsoid Alt 6 ASCII_Real Km Spacecraft altitude above ellipsoid SZA 7 ASCII_Real Solar zenith angle Channel 1 8 ASCII_Real MHz Central frequency used by channel 1 Channel 2 9 ASCII_Real MHz Central frequency used by channel 2 Delay 1 10 ASCII_Real Microsecond Channel 1 time delay estimate Delay 2 11 ASCII_Real Microsecond Channel 2 time delay estimate Channel 1 TEC1 12 ASCII_Real Channel 1 TEC1 estimate Channel 1 TEC2 13 ASCII_Real Channel 1 TEC2 estimate Channel 1 TEC3 14 ASCII_Real Channel 1 TEC3 estimate Channel 2 TEC1 15 ASCII_Real Channel 2 TEC1 estimate Channel 2 TEC2 16 ASCII_Real Channel 2 TEC2 estimate Channel 2 TEC3 17 ASCII_Real Channel 2 TEC3 estimate