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  2. Comparison of free off-line satellite navigation software

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

    Some of the software mentioned can also be run on different devices than what they are intended for. A particular case-in-point is the Android software which can often be run on laptops or PCs (running Linux, Windows or Mac OS X) as well. This can be done using emulators.

  3. Mercator projection - Wikipedia

    en.wikipedia.org/wiki/Mercator_projection

    In 1569, Mercator announced a new projection by publishing a large world map measuring 202 by 124 cm (80 by 49 in) and printed in eighteen separate sheets. Mercator titled the map Nova et Aucta Orbis Terrae Descriptio ad Usum Navigantium Emendata: "A new and augmented description of Earth corrected for the use of sailors". This title, along ...

  4. 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 ...

  5. Web Mercator projection - Wikipedia

    en.wikipedia.org/wiki/Web_Mercator_projection

    Web Mercator is a spherical Mercator projection, and so it has the same properties as a spherical Mercator: north is up everywhere, meridians are equally spaced vertical lines, angles are locally correct (assuming spherical coordinates), and areas inflate with distance from the equator such that the polar regions are grossly exaggerated.

  6. BIRD (satellite) - Wikipedia

    en.wikipedia.org/wiki/BIRD_(satellite)

    BIRD (Bispectral and Infrared Remote Detection) is a satellite launched by ISRO in 2001 for DLR. This small (92 kg) boxlike system, with solar panels and two collectors on stub wings, has remarkable fire-detection qualities. It hosts a two-channel infrared sensor system in combination with a Wide-Angle Optoelectronic Stereo Scanner (WAOSS).

  7. File:Mercator world map (physical, political, population).jpg

    en.wikipedia.org/wiki/File:Mercator_world_map...

    English: Combined map of the world in Pseudo Mercator projection showing physical, political and population characteristics, as per 2018. Compiled using QGIS and CC-0 Natural Earth data. Includes legend of symbols.

  8. Conformal map projection - Wikipedia

    en.wikipedia.org/wiki/Conformal_map_projection

    In cartography, a conformal map projection is one in which every angle between two curves that cross each other on Earth (a sphere or an ellipsoid) is preserved in the image of the projection; that is, the projection is a conformal map in the mathematical sense. For example, if two roads cross each other at a 39° angle, their images on a map ...

  9. Space-oblique Mercator projection - Wikipedia

    en.wikipedia.org/wiki/Space-oblique_Mercator...

    Space-oblique Mercator projection. Space-oblique Mercator projection is a map projection devised in the 1970s for preparing maps from Earth-survey satellite data. It is a generalization of the oblique Mercator projection that incorporates the time evolution of a given satellite ground track to optimize its representation on the map.