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  2. Comparison of free off-line satellite navigation software

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

    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 lightweight (allowing use on small portable devices, including smartphones). Very basic programs like this may not be suitable for road navigation in cars, but serve their ...

  3. Garmin BaseCamp - Wikipedia

    en.wikipedia.org/wiki/Garmin_BaseCamp

    Garmin BaseCamp is a map viewing / GIS software package offered free for download by Garmin, primarily intended for use with their GPS navigation devices. BaseCamp serves as a replacement to the now unsupported Garmin MapSource. [3] [4] [5]

  4. Satellite navigation device - Wikipedia

    en.wikipedia.org/wiki/Satellite_navigation_device

    Vehicle navigation on a personal navigation assistant Garmin eTrex10 edition handheld. A satellite navigation device or satnav device, also known as a satellite navigation receiver or satnav receiver or simply a GPS device, is a user equipment that uses satellites of the Global Positioning System (GPS) or similar global navigation satellite systems (GNSS).

  5. List of GPS satellites - Wikipedia

    en.wikipedia.org/wiki/List_of_GPS_satellites

    Samples of three GPS satellites' orbits over a five-year period (2013 to 2018) USA-242 · USA-239 · USA-151 · Earth As of 22 January 2025, 83 Global Positioning System navigation satellites have been built: 31 are launched and operational, 3 are in reserve or testing, 43 are retired, 2 were lost during launch, and 1 prototype was never launched. 3 Block III satellites have completed ...

  6. Garmin - Wikipedia

    en.wikipedia.org/wiki/Garmin

    In May 2011 Garmin refreshed the eTrex product line with new mechanical design and support for advances in cartography and hardware technology with its release of the eTrex 10, eTrex 20, and eTrex 30, Garmin became the first company to manufacture and distribute a worldwide consumer navigation product supporting both GPS and GLONASS satellite ...

  7. Garmin .img - Wikipedia

    en.wikipedia.org/wiki/Garmin_.img

    The Garmin .img format is what Garmin devices use to store the maps for its GPS units. The img files contain a header and many subfiles. Img's filestore is based on FAT system. [1] Some old GPS units are not able to work with multiple img files so they need to be merged into one file called gmapsupp.img using programs like Mapsource. [2]

  8. Navionics - Wikipedia

    en.wikipedia.org/wiki/Navionics

    Navionics was founded in 1984, when Giuseppe Carnevali and Fosco Bianchetti introduced the world's first marine electronic chart plotter, the Geonav. In 2007, Navionics sold the Geonav product line, to focus solely on the production of electronic charts. On October 27, 2017, Navionics was acquired by Garmin Ltd.

  9. Comparison of web map services - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_web_map_services

    1–3 years [dubious – discuss] 1–3 years [citation needed] 1–4 years No 1–3 years 1–3 years 1–4 years Map data providers MAPIT, Tele Atlas, DigitalGlobe, MDA Federal, user contributions TomTom, OpenStreetMap, Intermap, Pictometry International, NASA, Blom, Ordnance Survey, [12] SK Planet TomTom, OpenStreetMap, and others