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  • National Society Sons of the American Revolution – Since 1889
    Inspiring American Patriotism Since 1889 The Sons of the American Revolution honors our Revolutionary War patriot ancestors by promoting patriotism, serving our communities and educating and inspiring future generations about the founding principles of our Country Interested in Becoming a Member?
  • Synthetic Aperture Radar (SAR) - NASA Earthdata
    Synthetic aperture radar (SAR) is a type of active data collection where an instrument sends out a pulse of energy and then records the amount of that energy reflected back after it interacts with Earth
  • Patriot Research System - Sons of the American Revolution
    This database is available for the purpose of general research and possibly assisting with the SAR membership process The sources contained within this database, including patriot biographical sketches, are not acceptable as proof of service for an SAR application
  • Apply in 4 Easy Steps - Sons of the American Revolution
    To initiate the SAR membership process, you should begin by ensuring that you can satisfy the SAR membership requirements and that you are a direct descendant of a Revolutionary War Patriot
  • SAR-EL - The National Project for Volunteers for Israel
    Sar-El is a non-profit service organization, subordinate to and under the direction of the Israeli Logistics Corps
  • Getting started with SAR satellite imagery - ArcGIS
    Learn about Synthetic Aperture Radar (SAR) fundamental concepts, explore SAR satellite imagery from all over the world, and process SAR data to perform image analysis on real life examples
  • SAR Foundation
    Learn how to give to the SAR Foundation and support the SAR project of your choice Access downloadable information and learn more about your donations and the SAR Foundation © 2026 Sons of the American Revolution Foundation
  • What is Synthetic Aperture Radar (SAR)? - Pathfinder Radar ISR SAR . . .
    Environmental monitoring, earth-resource mapping, and military systems require broad-area imaging at high resolutions Often, this imagery must be acquired at night or during inclement weather—Synthetic Aperture Radar (SAR) provides such a capability
  • What is SAR Imagery? Introduction to Synthetic Aperture Radar
    SAR (Synthetic Aperture Radar) is a type of satellite imagery using radar waves to map the Earth’s surface The radar transmits electromagnetic waves, they reach the surface and backscatter back to the sensor
  • Get to Know SAR – Overview - NASA Science
    Synthetic aperture radar (SAR) refers to a technique for producing fine-resolution images from a resolution-limited radar system It requires that the radar be moving in a straight line, either on an airplane or, as in the case of NISAR, orbiting in space





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