Question

gps - the most precise navigation system ever invented. the global positioning system (gps) is a network of about 30 satellites orbiting the earth at an altitude of 20,000 km. the system was originally developed by the us government for military purposes but now anyone with a gps device, be it a satnav, mobile phone or handheld gps unit, can receive the radio signals that the satellites broadcast. - text from www.physics.org. according to the passage, which of the following best summarizes the usefulness of gps technology? options: gps satellites orbit 20,000 km above the earths surface and were created for military use. gps technology has been in use since the mid - 1900s. gps can be used by anyone with access to wireless internet or advanced radio technology worldwide. gps technology can show exact positions on the earth, but is significantly limited by the location of the 30 satellites and personal receiver.

Explanation:

The passage emphasizes that with a GPS device (like a mobile - SatNav), anyone can receive radio signals from GPS satellites. This highlights the accessibility of GPS technology to the general public.

Answer:

GPS can be used by anyone with a GPS device.