GPS based satellite tracking and display system






SPOT is a GPS tracking device that uses the Globalstar satellite network to provide text messaging and GPS tracking (depending on the subscription type purchased). It has a coverage area that includes a large portion of the planet, with the following exceptions: extreme northern and southern latitudes, south-eastern Africa, India, and adjacent areas immediately north of India. SPOT is simplex and cannot receive user data.

With the purchase of a basic (annual) subscription, SPOT allows short (41 character) user-defined text messages to be sent to a list of telephone and e-mail addresses. This basic subscription also allows users to push their location to emergency services. For an additional cost, SPOT can transmit a breadcrumb trail of GPS points, which users can configure to be displayed on a custom web page. These points are transmitted every 10 minutes, but include only latitude and longitude data, no elevation/altitude is possible.
In March 2010, SPOT claimed to have successfully "helped initiate more than 550 rescues in 51 countries on land and at sea".

In early 2013, a variation of the SPOT Satellite GPS Messenger called SPOT Connect was released. It allows the user to compose a custom message in real time using a smartphone.




Autonomous vehicle









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