Viking Orbiter

The two Viking Orbiters mapped the Martian surface from 1976 to 1982. PDS has archived the following Viking Orbiter data sets:

Visual Imaging Subsystem Experiment Data Record (EDR) Images

Visual Imaging Subsystem Digital Imaging Model (MDIM) and Digital Terrain Model (MDTM)

Infrared Thermal Mapper (IRTM) Data

Mars Atmospheric Water Detector (MAWD) Data

Radio Science Line-of-Sight Gravity Data

The following data set is maintained at the Geosciences Node, but has not been formally archived with PDS:

Viking Orbiter / Mariner 9 Occultation, Gravity, and Topography Data