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  2. List of GIS data sources - Wikipedia

    en.wikipedia.org/wiki/List_of_GIS_data_sources

    This is a list of GIS data sources (including some geoportals) that provide information sets that can be used in geographic information systems (GIS) and spatial databases for purposes of geospatial analysis and cartographic mapping. This list categorizes the sources of interest.

  3. Geographic information system software - Wikipedia

    en.wikipedia.org/wiki/Geographic_information...

    A GIS software program is a computer program to support the use of a geographic information system, providing the ability to create, store, manage, query, analyze, and visualize geographic data, that is, data representing phenomena for which location is important.

  4. Onizuka Air Force Station - Wikipedia

    en.wikipedia.org/wiki/Onizuka_Air_Force_Station

    Onizuka AFS and the Air Force Satellite Control Facility were transferred from Air Force Systems Command to Air Force Space Command and operated by the 21st Space Operations Squadron, a geographically separated unit (GSU) of the 50th Space Wing. The non-AFSC operational organizations remained under their respective commands.

  5. Land-parcel identification system - Wikipedia

    en.wikipedia.org/wiki/Land-parcel_identification...

    A land-parcel identification system (LPIS) is a system to identify land use for a given country. [1] It utilises orthophotos; aerial photographs and high precision satellite images that are digitally rendered to extract as much meaningful spatial information as possible. A unique number is given to each land parcel to provide unique ...

  6. Web GIS - Wikipedia

    en.wikipedia.org/wiki/Web_GIS

    Web GIS (also known as Web-Based GIS), or Web Geographic Information Systems, are GIS that employ the World Wide Web to facilitate the storage, visualization, analysis, and distribution of spatial information over the Internet.

  7. Assessor's parcel number - Wikipedia

    en.wikipedia.org/wiki/Assessor's_Parcel_Number

    An assessor's parcel number, or APN, is a number assigned to parcels of real property by the tax assessor of a particular jurisdiction for purposes of identification and record-keeping. The assigned number is unique within the particular jurisdiction, and may conform to certain formatting standards that convey basic identifying information such ...

  8. Ground Equipment Facility J-33 - Wikipedia

    en.wikipedia.org/wiki/Ground_Equipment_Facility_J-33

    During SAGE deployment, a Burroughs AN/FST-2 Coordinate Data Transmitting Set (CDTS) was installed at Mill Valley AFS and "in late 1960" began providing digitize radar tracks for telecommunication via microwave to the Air Defense Direction Center (DC-18) at Beale Air Force Base (the squadron was re-designated 666th Radar Squadron (SAGE) on 15 ...

  9. Custer Air Force Station - Wikipedia

    en.wikipedia.org/wiki/Custer_Air_Force_Station

    In 1958, the SAGE Data Center (DC-06) was established at Custer AFS (Fort Custer). DC-06 was co-located on the Cantonment area of the 781st AC&W Sq. During September, 1959, the 781st AC&W Sq joined the SAGE system, [2] feeding data to DC-06. After joining, the squadron was re-designated as the 781st Radar Squadron (SAGE) (Radar Sq) on 1 ...