[DOC] [TLE] Understanding the Global Positioning System [PAR] Using the Distance Measurements to Calculate a Position ... The GPS system 
consists of three segments: 1) The space segment: the GPS satellites ... There 
are now at least 24 satellites orbiting the earth at an altitude of about 11,000 .... 
This little "trick" allows the GPS receiver to determine when the signal left the 
satellite. [DOC] [TLE] Global Positioning System - Wikipedia [PAR] The Global Positioning System (GPS), also known as Navstar GPS or simply 
Navstar, is a global navigation satellite system (GNSS) that provides location and 
time information in all weather conditions, anywhere on or near the Earth where 
there is an unobstructed line of sight to ... The GPS calculated positions would 
quickly drift into error, accumulating to... [DOC] [TLE] Space Today Online - Satellites - NAVSTAR global positioning ... [PAR] The fleet of NAVSTAR global positioning system (GPS) satellites provides ... 
direction of travel, travel velocity and correct time of day to anyone anywhere, ... 
At least four of the space beacons are in view from any spot on Earth at any time. 
... Ships, planes, trains, trucks, cars and even persons on foot can know their 
positions... [DOC] [TLE] Global Positioning System - School of Electrical Engineering and ... [PAR] The GPS is a network of 24 NAVSTAR satellites orbiting Earth at 20,200 km. ... 
from these satellites, users can triangulate their position anywhere on earth. .... 
The nominal orbital period of a GPS satellite is one half of a sidereal day or 11 hr 
58 min. .... Navigation receivers are made for aircraft, ships, ground vehicles, and 
for... [DOC] [TLE] US Military GPS - Army Technology [PAR] Navstar GPS is a satellite-based radio navigation system developed and ... GPS 
allows land, sea, and airborne users to immediately determine their ... of GPS 
information receiver units in aircraft, ships, land vehicles and hand-held 
manpacks. ... any one point in time, six of them will be in view to users anywhere 
in the world. [DOC] [TLE] How does GPS satellite navigation work? - Explain that Stuff [PAR] Jun 8, 2015 ... NAVSTAR GPS satellite under construction on Earth ... only three or four to 
determine your position to an accuracy of just a few meters. ... "segments": there's 
one part in space, one part on the ground, and one part in your pocket. ... The 
receiver "listens out" for these signals and, if it can pick up signals from... [DOC] [TLE] www.TheAirlinePilots.com :: View topic - Questions on GNSS [PAR] Jan 27, 2013 ... 6 orbital planes with 3 satellites in each plane plus 6 reserve ... In the NAVSTAR/
GPS satellite navigation system, receiver clock ... Only D-GPS allows position 
fixes accurate enough for Non .... to monitor the status of the satellites, determine 
their positions and to .... It will be the same anywhere on the Earth [DOC] [TLE] Global Positioning System (GPS) facts, information, pictures ... [PAR] The user segment includes any organization, ship, person, or airplane that uses 
GPS. ... A typical receiver anywhere on Earth will see about five satellites in its 
field of view at ... One of these positions must be invalid because it will place the 
user either in ... The receiver allows an individual to not only determine latitude 
and... [DOC] [TLE] NAVSTAR Global Positioning System (GPS) [PAR] One military system, the NAVSTAR (Navigation Satellite Timing and Ranging) 
Global Posi- ... tem permits users on land, at sea, and in the air to determine their 
three- ... in all weather, anywhere in the world with precision and accuracy. The 
signals are ... antennas, test equipment, and software used on aircraft, ships, 
ground. [DOC] [TLE] Navigation Satellites: Their Future Potential [and Discussion] - jstor [PAR] gation satellites known as the Navstar Global Positioning System or GPS. ... 
position, velocity, and time will be available continuously to users anywhere in 
the world. ... information by military aircraft, ships, and ground units. ... plot of the

Question: Navstar, one of these, allows aircraft & ships to determine their position anywhere on Earth
Answer: a satellite