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  2. List of GIS data sources - Wikipedia

    en.wikipedia.org/wiki/List_of_GIS_data_sources

    30m resolution global elevation data derived from Advanced Spaceborne Thermal Emission and Reflection Radiometer satellite images. [6] OpenTopography: OpenTopography facilitates community access to high-resolution, Earth science-oriented, topography data, and related tools and resources..

  3. Comparison of web map services - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_web_map_services

    Backend providers Google Microsoft Seznam.cz OpenStreetMap Foundation. Paid for by various individuals and companies. HERE: Apple: Yandex: Data Feature Google Maps Bing Maps MapQuest Mapy.cz OpenStreetMap Here WeGo Apple Maps Yandex Maps; Age of satellite imagery 1–3 years [dubious – discuss] 1–3 years [citation needed] 1–4 years No 1 ...

  4. OpenStreetMap - Wikipedia

    en.wikipedia.org/wiki/OpenStreetMap

    OpenStreetMap (abbreviated OSM) is a free, open map database updated and maintained by a community of volunteers via open collaboration. [4] Contributors collect data from surveys, trace from aerial photo imagery or satellite imagery, and import from other freely licensed geodata sources.

  5. List of Earth observation satellites - Wikipedia

    en.wikipedia.org/wiki/List_of_Earth_observation...

    NASA Earth science satellite fleet as of September 2020, planned through 2023. Earth observation satellite missions developed by the ESA as of 2019. Earth observation satellites are Earth-orbiting spacecraft with sensors used to collect imagery and measurements of the surface of the earth. These satellites are used to monitor short-term weather ...

  6. GlobeXplorer - Wikipedia

    en.wikipedia.org/wiki/GlobeXplorer

    GlobeXplorer was an online spatial data company that compiled and distributed aerial photos, satellite imagery, and map data from their online spatial archives. . GlobeXplorer has been credited as the first company to establish a business around compiling and distributing online aerial and satel

  7. Comparison of free off-line satellite navigation software

    en.wikipedia.org/wiki/Comparison_of_free_off...

    Some of the free software mentioned here does not have detailed maps (or maps at all) or the ability to follow streets or type in street names (no geocoding). However, in many cases, it is also that which makes the program free (and sometimes open source [ 1 ] ), avoid the need of an Internet connection, [ 2 ] [ 3 ] [ 4 ] and make it very ...

  8. Satellite imagery - Wikipedia

    en.wikipedia.org/wiki/Satellite_imagery

    The first images from space were taken on the sub-orbital V-2 rocket flight launched by the US on October 24, 1946. Satellite image of Fortaleza.. Satellite images (also Earth observation imagery, spaceborne photography, or simply satellite photo) are images of Earth collected by imaging satellites operated by governments and businesses around the world.

  9. Terrafly - Wikipedia

    en.wikipedia.org/wiki/Terrafly

    TerraFly is a web-enabled system designed to aid in the visualization of spatial and remote sensed imagery. TerraFly users visualize aerial photography, satellite imagery and various overlays, such as street names, roads, restaurants, services and demographic data.