urn:nasa:pds:magellan_gravity:gravity:fairgrd 1.0 1.20.0.0 Product_Observational 2023-09-06 1.0 Product migrated to PDS4 from PDS3. Magellan Mission urn:nasa:pds:context:investigation:mission.magellan data_to_investigation Magellan Host urn:nasa:pds:context:instrument_host:spacecraft.mgn is_instrument_host Radio Science Subsystem Instrument urn:nasa:pds:context:instrument:mgn.rss is_instrument Venus Planet urn:nasa:pds:context:target:planet.venus data_to_target SHXDR urn:nasa:pds:magellan_gravity:images:fairgrd data_to_associate fairgrd.dat This file contains a digital, 1 X 1 degree resolution grid of free-air gravity accelerations of Venus. It is a 360 x 180 grid from 89.5 to -89.5 degrees latitude, and 240 to 240 degrees longitude, increasing from west to east. The gravity anomalies are derived from the 120th-degree and -order spherical harmonic gravity model, SHG120. The observation is free-air gravity in milligals. The file contains 180 blocks of 36 records each, with each record containing 10 values plus an ASCII carriage-return line-feed pair as a delimiter. The first block contains values at 89.5 latitude; the first value in the first record is the value at (89.5, -119.5). 0 7-Bit ASCII Text This is a 2-D grid of the free-air gravity accelerations of Venus in milligals Carriage-Return Line-Feed fairgrd.lbl 0 PDS3 Original PDS3 label Carriage-Return Line-Feed