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  2. Aerial survey - Wikipedia

    en.wikipedia.org/wiki/Aerial_survey

    Aerial survey is a method of collecting geomatics or other imagery data using airplanes, helicopters, UAVs, balloons, or other aerial methods. Typical data collected includes aerial photography , Lidar , remote sensing (using various visible and invisible bands of the electromagnetic spectrum , such as infrared , gamma , or ultraviolet ) and ...

  3. Photometric system - Wikipedia

    en.wikipedia.org/wiki/Photometric_system

    The sensitivity usually depends on the optical system, detectors and filters used. For each photometric system a set of primary standard stars is provided. A commonly adopted standardized photometric system is the Johnson-Morgan or UBV photometric system (1953). At present, there are more than 200 photometric systems. [citation needed]

  4. Photogrammetry - Wikipedia

    en.wikipedia.org/wiki/Photogrammetry

    Low altitude aerial photograph for use in photogrammetry. Location: Three Arch Bay, Laguna Beach, California. Photogrammetry is the science and technology of obtaining reliable information about physical objects and the environment through the process of recording, measuring and interpreting photographic images and patterns of electromagnetic radiant imagery and other phenomena.

  5. Category:Sudbury, Massachusetts - Wikipedia

    en.wikipedia.org/wiki/Category:Sudbury...

    Buildings and structures in Sudbury, Massachusetts (11 P) S. People from Sudbury, Massachusetts (34 P) Pages in category "Sudbury, Massachusetts"

  6. Sudbury, Massachusetts - Wikipedia

    en.wikipedia.org/wiki/Sudbury,_Massachusetts

    Sudbury in 1856. According to the United States Census Bureau, the town has a total area of 24.6 square miles (64 km 2), of which 24.4 square miles (63 km 2) is land and 0.3 square miles (0.78 km 2), or 1.06%, is water.

  7. Sudbury, MA Weather - Hourly Forecasts and Local ... - AOL

    www.aol.com/weather/forecast/us/sudbury

    Get the Sudbury, MA local weather forecast by the hour and the next 10 days.

  8. Category:Photometric systems - Wikipedia

    en.wikipedia.org/wiki/Category:Photometric_systems

    Pages in category "Photometric systems" The following 16 pages are in this category, out of 16 total. This list may not reflect recent changes. ...

  9. UBV photometric system - Wikipedia

    en.wikipedia.org/wiki/UBV_photometric_system

    The UBV photometric system (from Ultraviolet, Blue, Visual), also called the Johnson system (or Johnson-Morgan system), is a photometric system usually employed for classifying stars according to their colors. It was the first standardized photometric system.