Mashable highlights a few memorable moments throughout Commercial GPS history:
While GPS proved invaluable to the coalition forces, it could prove equally valuable for the enemy. So the government introduced "selective availability" (SA) — errors added to reduce accuracy in civilian GPS receivers.
President Clinton turned off SA on May 1, 2000, which improved consumer device accuracy to 15 meters, coincidentally around the same time the first handheld units with included city street maps became available, such as the first full-color GPS handheld, the Magellan Meridian Color Handheld GPS Navigator, in 2002.
After the success of the [Magellan] NAV 1000 and the publicity generated by the Gulf War, the GPS floodgates opened. A variety of GPS devices from other companies such as Garmin (1989), TomTom (1991) and Mio (2002), hit the market using maps and navigation software from a variety of suppliers such as Navteq (1987), Navigon (1991), SiRF (1995) and TeleNav (1999).
One of the first overland websites to actively share GPS coordinates was 'Hujumbo Africa'. In 1999 Andy le May made an effort to capture various waypoints and share them publicly. Additional overland websites followed the idea quickly posting links to camp sites, embassies and bush camps.
|Hujumbo Africa - GPS Waypoints|
|To Africa & Beyond|
|BigSky Adventures - 2005 - GPS Information|
...for my sanity, I need to leave SatNav behind and begin to explore those minor roads, bravely going were hardly any SatNav's dare... I need to get lost again, and to retrace my vehicle tracks. I need to ponder maps & routes. Time to leave SatNav at home... GPS GraveyardI still do the endless hours of planning (simply because I enjoy it) and will download track files from various websites, however, I am learning to explore and simply not follow the GPS. I certainly admire the more adventurous who can follow an unknown route with little hesitation!
Informally, specifying a geographic location usually means giving the location's latitude and longitude. The numerical values for latitude and longitude can occur in a number of different formats:degrees minutes seconds: 40° 26′ 46″ N 79° 58′ 56″ W
degrees decimal minutes: 40° 26.767′ N 79° 58.933′ W
decimal degrees: 40.446° N 79.982° W