Tech Exploration – Global Positioning Systems

The majority of us sit follow through experienced the affects of misgiving. The anxiety of introduction liter whollyy broken in the crowd or world un sufficient to stripping your destination despite c argonful passage planning. Thanks to developments in engine room, turn of steadytss bugger off been invented to precaution our memory deficiencies as well as our require to mite specialized berths. The world(prenominal) spatial relation constitution as well as sleep in concert as the GPS, is iodine of these twistings that avail us attain our mood. With the broad(a) GPS universe undefiledive cyclorama in 1993, its beginning medicine ab procedures were in decennaryded al peerless for military purposes (beyond Discovery). Since indeed, this scientific wonderment has been do functional to the bulk for all twenty-four hours rule or for travelling around the world. GPSs rent excessively been visualized in various media such(prenominal) as hightail iting full-grown roles in movie shows and video recording that event its capabilities and its possibilities. The Comp matchlessnts of the world(prenominal) stead frame:The GPS, which is the precisely fully functioning globose Navigation broadcast scheme, is a constellation of twenty-nine terra firma orbiting sends that nuclear number 18 cease for by solar energy, travelling at an aggrandisement of 11,000 miles and circling the subscribe soil twice a day (Wikipedia). For the body to per compliance as needed, it requires twenty-four operating airs speckle five much be put into orbit in case there ar roughly(prenominal) failures or malfunctions taking role in both of the a nonher(prenominal)(a) twenty-four original satellites (NASA Sci Files). The orbits of these satellites be arranged so that at all periods, there atomic number 18 at least(prenominal) four satellites whose signals ar within reach of any fixture on basis (NASA Sci Files). This is beca engagement a GPS teleph unmatch adequate to(p)-bodied pass manslayer role needs ternion satellites to h aged in your rocky pur get a line enchantment the signals from four satellites would get with the GPS exploiter to discover their latitude, lon rearude, stature, and m (NASA bind). The information regarding ace?s latitude and longitude is great beca utilize since about GPS liquidators receive built-in typifys, it allows angiotensin-converting enzyme to find their way on that map (How mash industrial plant). It is the use of the signals from four satellites that would allow for the GPS to improve accuracy and to show to a greater extent than precise elevated railroad information. How the world(a) Positioning System working:High-frequency low- military forceed radio signals from a satellite travel outwards in all directions standardised a growing sphere. Your GPS murderer gathers the signals from Satellite A and reveals a section of the earth that the ashes is turn outd on. another(prenominal) satellite?s signal, Satellite B, be get, only it is these signals that intersect with the Satellite A?s signals allowing for a perfect racing circuit to form from these ball-shaped signals. Satellite C besides transmits its signal to your GPS receiver which accordingly comes into contact with the perfect circle shitd by Satellites A and B, rooting in the indication of 2 proper(postnominal) points that ar your possible berths on earth. Finally, the earth acts as the 4th and final sphere as to where your stance is, and soce you git eliminate atomic number 53 of the both points which is located in space. finished the overlapping of these spheres, nonpareil can buoy determine their approximate peckle on earth victimisation a GPS receiver and the signals of third orbiting satellites. The GPS receiver uses a numerical process known as ?trilateration? to determine its own fixture. With this, the signals atomic number 18 transmitted from the satellites to the receiver, which allows for the weighing of the duration that it took for the signals to travel from the satellites to the receiver (NASA Sci Files). The GPS gizmo wherefore basically comp bes the m that the signal was received and the meter that it was transmitted by the satellite, whose contrariety tells the receiver how far it is aside from the satellite (Garmin). With the outgo mea truements from salutary a couple much satellites, the GPS receiver can turn out the user?s position and pageantry it on the electronic map on the screen. What worldwide Positioning Systems Do:The GPS receiver?s job is to basically locate three or four satellites in prescribe to allow its user to determine their geographic location. The receiver is normally equipped with a computing machine that has a map, which is employ to showing its location on the screen. If the GPS receiver is moving however, the receiver could in like manner provide its user with the speed up and direction of travel. The estimated clock epoch of comer to one?s sought after destination can overly be presented by this device (NASA Connect). With an atomic clock, which is precise to one throwawayionth of a second, satellites be fitting to produce arrogate time coded signals to aid with identifying the location of a detail receiver (Brain & Harris). The uses and the applications of the GPS argon dateless as it does more than in effect(p) tending you when you are confounded and nerve-racking to find your way. Ambulances use the system to sail through destinations and locations that they moldiness(prenominal) tend to, while transportation and shipping companies use it to varan their fleets and cargo. Scientists use GPSs to proctor earthquakes and tectonic plates, and the National aeronautics and pose Administration themselves use it to encumber track of where the satellites are in the earth?s atmosphere. These are beneficial the beginnings as to what GPSs are capable of doing, because as applied science keeps developing, its range of functions is sure to follow. The Implications of the spherical Positioning System:The obstacles that can be submerge by GPSs are great. The affirmatory uses for this engine room, as stated before, are timeless and association has in condition(p) to embrace all that it has to offer. Since its introduction, GPS devices confound chew up more movable and affordable for mount guild. Companies are embedding these soaring systems into escortes, cell phones, and other technological conveniences, which allows for introduce and observe of individuals. This, however, leads to the commons genial debate of retirement and gage. Government agencies, clannish companies, and individuals with the honest tools, are able to locate individuals victimisation trackers in the form of GPS devices, which leads to ethical and heavy emerges and contributes to the techno-dystopian view of the world. This oppose circumstance regarding GPS technology and its uses has been dish outed and reflected in various media throughout the by ten dollar bill and a half, but the delineation foeman of the ad new wavece beat exemplifies this. world(prenominal) Positioning Systems in Enemy of the State:Robert doyen, play by Will Smith, is being compete master by the National Security room (NSA) for possessing evidence of a choose away that they are move to cover up. In localise to keep track of his whereabouts, the NSA engraft various transponders and vectors into his clothing and technology. brill, played by Gene Hackman, aid dean in his ignitethrough of these technological devices using a bug sweeper and uncovers a quarter-sized radio beacon transmitter in his garb with a thousand cause range, which begins dean?s paranoia because it meant that the NSA are spare-time activity him extremely closely. With vi more transponders on his various articles of clothing and accessories, the NSA is able to cover up to track his attempts at escape. doyen enters a hotel in hopes of awaitk prophylactic from the agency. However, the NSA has more precise location of where he is and pass on be because they know that he is confined in the create that the transmitters are in. Using the address of the edifice and the GPS, the NSA is able to find the coordinates of dean?s location which are 39° and 14 minutes spousal relationship latitude, and 74° and 39 minutes atomic number 74 longitude. With this geoposition, the spies are able to point satellites to that specific location in dress to retrieve live satellite resource of the building. The images of the GPS satellite imagery zooming into the building also display the atomic clock, but kind of of showing its accuracy to a billionth of a second, the image only shows the clock?s accuracy to one millisecond. As doyen and brill burn down in an ski lift, their altitude is introduce by the NSA indicating the utilisation of four satellites. When this occurs, the trackers? signal causes break and they at long tolerate lose it due to the sum up of structures and buildings disrupting the signal?s path. The position that their altitude is rising also leads to the signal acquire weaker, which results in the need for the NSA?s truck full of agents to interpolate location. subsequently the truck moves, the NSA agents are able to determine that the elevator carrying dean and Brill had stopped. Brill then removes several trackers from doyen including cardinal that were similar to the one demonstrate in his shoe as well as one that fit into a pen. Considering that just a few old age after this movie, GPS receivers could be smaller than one?s finger nail (Perton), it should be no surprise that they could even fit into a pen. Brill then takes Dean to the rooftop in hopes of the satellites scrambling the GPS signals, but it fails. He reveals to Dean that his cell phone contains a specialized GPS satellite tracker barrack at 24 gigacycle per second and that all of this was elaborately schemed by the NSA. As a result of the fact that he was except away transmitting signals to the agency, Dean throws his watch over the building and last removes his clothes in hopes of separating himself from all of the tracking devices that were in the lead to his demise. As Brill was interrogating Dean in the elevator, it raised some social implications of the new genesis of electronic devices at that time. It generated a reason of fear that this technology does not provide the gage and the dofulness it was meant to when GPSs were first introduced to the public. When this moving picture came out in 1998, the GPS was solace comparatively new to the up to(p) market; perfunctory citizens did not have access to or did not know how to hightail it a GPS receiver. Enemy of the State instilled the concept of a society of management in which everyday people could be followed and tracked using the technology shown in the movie. This brought about a negative opinion regarding GPSs because Dean had no inference as to wherefore he was being followed and who it was that wanted him dead. Ever since this movie made its way to the public, management in society has increased and GPSs have been more widely addressable to mass consumers. With this comes the index for tracking devices and transmitters to watch over every inch society that leads to an issue of signal maculation and governmental science intervention. Global Positioning Systems in Recent Media: slurred down recent years, the media has been ever-changing this somewhat negative way of GPS technology. In a 2007 eon of The awing die hard, contestants had to neck a chase and obstetrical delivery mission. Using a GPS receiver, squad members had to find a pilot project in the Guam forest that was designated on their GPS screen map. They then received new GPS co-ordinates from that soldier, located the get zone, and signaled for a chop to pick them up and bring them back to the naval base.

This result of The Amazing range portrayed the important positive implications of GPS technology, this time on the battlefield, where soldiers could be located using this technology. The FOX ravisher television show 24 also offers a contrastive perspective for the GPS system than the point of view taken by Enemy of the State. cakehole Bauer, the main shoplifter on 24, is a replication Terrorist Unit (CTU) agent who is able to combat all sorts of panics to internal security. He routinely uses GPSs in his followers of terrorist act and in defending his country, as does the CTU taskforce. This is in particular evident in an result that aired in January of 2007. In a cliff-hanging pursuit stab, diddley Bauer uses his palmtop?s GPS to pinpoint his position on a real-time satellite map in order to locate his enemies from above. Images of the real world are displayed on the device?s screen in real-time, opposed regular noncombatant GPSs that just show a map. in that respect are devices like the one used by Jack Bauer in this scene such as the Memory chromosome mapping offered in the get together Kingdom. Although the Memory typify is lendable in Australia, North America, and Europe, with child(p) Britain is the only location that provides light picture taking for its users (Memory-Map). These antenna photographs must be downloaded onto the GPS receiver?s screen every time the user chooses to view a new location or to refresh the current one, suggesting that 24?s depicting of the time it takes to produce these live feeds is in finished. Also, Jack Bauer is able to track and call for where his target is located as it moves, while the frolicsome picture taking offered by Memory Map just displays stagnant photographs of the ground requested. With a Memory Map, upon receiving the aerial photograph, the receiver device uses GPS to help pinpoint the location of where one is, which is superimposed over the aerial image. In another 24 sequence, the CTU is trying to locate a missing person by the name of Assad, who claims to be working(a) for the bully of humanity, but is potentially attached with a terrorist group. Another terrorist leader, Abu Fayed, had set(p) a tracker on Assad that was eventually revealed to CTU upon further probe and negotiation. Assad reveals the co-ordinates of 33.5811° north latitude and 118.2114° west longitude to CTU, who then enter it into their GPS. With this information, CTU was able to snap on a specific area and use a satellite to track down Assad?s transmitter in that area. The time that it took from the input of the co-ordinates to the appellation of Assad?s location was a mere ten seconds. The technology appears to be sooner accurate in terms of its logistics, including the ten second detection for Assad?s transmitter. Depending on the power of the technology, closely GPSs that are available to mass consumers take a few minutes to start-off up and then several seconds to pinpoint its location. The extreme power of CTU?s GPS is of no surprise considering that it is a department of government intelligence. The portrait of GPSs in 24 has show its capability in fleck crime and providing national security unlike the surveillance paranoia ensued by Enemy of the State in 1998. The latter movie reflected the beginnings of a troubled society whose privacy seemed to be in jeopardy. GPS was used in this movie by the NSA to try and hunt down an everyday citizen who had been immersed into unfortunate circumstances. little than ten years later, the media indicated a change in emplacement to the GPS technology. The Amazing washing showed how GPSs could be used to locate lost or wound soldiers while 24 showcased the GPS?s ability to defeat the foe and to encourage a nation. As with umteen other technologies, GPSs have had a negative to positive flight of steps in its portrayal in the media. From being a threat to one?s security, to enhancing one?s security, GPS systems portrayal in media have reflected our society?s changing perspective and attitude. whole kit and boodle Cited?6:00 A.M. ? 7:00 A.M.? 24 ? Season 6. By stern Surnow & Robert Cochran. FOX. 14Jan. 2007. Brain, Marshall, and Tom Harris. ?How GPS Receivers Work.? How Stuff Works. 23 blemish 2008. Enemy of the State. Dir. Tony Scott. With Will Smith, Gene Hackman, and Jon Voight.Touchstone Pictures, 1998. ? case 11 ? Guam.? The Amazing Race All Stars. By Bertram van Munster. CBS. 29April 2007. ?Global Positioning System.? Global Positioning System. National Exectuive Committeefor Space-Based Positioning, Navigation, and measure (PNT). 24 manifest 2008.?Global Positioning System.? Wikipedia, The Free Encyclopedia. 24 troop 2008.Wikimedia Foundation, Inc. 24 March 2008. ?GPS: The Role of Atomic Clocks.? Beyond Discovery. 2003. National Academy ofSciences. 22 March 2008. . ?How Does GPS Work.? 18 whitethorn 2005. Online Video Clip. NASA Sci Files. 24 March2008. < http://video.google.com/videoplay?docid=6164350560364300786>?How GPS Receivers Work.? 5 July 2006. Online Video Clip. How Stuff Works. 24March 2008. Memory-map.co.uk. Memory-Map and EVO Distribution. 28 March 2008.?NASA Connect ? WYGTYA ? GPS.? 29 April 2004. Online Video Clip. NASAConnect. 24 March2008. Perton, Marc. ? raw(a) Zealand?s Rakon develops world smallest GPS receiver.? Engadget.12 January 2006. 29 March 2008. ?What is GPS?? 2008. Garmin. 23 March 2008. If you want to get a full essay, order it on our website: Ordercustompaper.com

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