Synthetic Aperture Radar applicatiion schema. Earth Observation Metadata profile of Observations and Measurements is an OGC Standard. Copyright (c) 2013 Open Geospatial Consortium. To obtain additional rights of use, visit http://www.opengeospatial.org/legal/ . eop root element for SAR Earth Observation Product Extends eop Acquisition for SAR products single S, dual D, twin T, quad Q, UNDEFINED Polarisation channel transmit/receive configuration: horizontal, vertical. Polarisation channel transmit/receive configuration: horizontal, vertical. Minimum Incidence angle. Maximum Incidence angle. Incidence angle variation Doppler Frequency of acquisition. Mode undefined Twin mode Single mode Dual mode Quad mode Antenna Look Direction Left Antenna Look Direction Right