GPS Made Easy [NOOK Book]

Overview

GPS design is based partly on ground-based radio navigation systems developed in the early 1940’s that were used in World War II. These systems were named LORAN and Decca Navigator and were focused on knowing where the enemy was so they could either attack or retreat depending on the size of the forces. Additional inspiration for modern day GPS systems came when Sputnik was launched by the
Soviet Union in 1957. A team of scientists monitored Sputnik’s radio transmissions and ...
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GPS Made Easy

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Overview

GPS design is based partly on ground-based radio navigation systems developed in the early 1940’s that were used in World War II. These systems were named LORAN and Decca Navigator and were focused on knowing where the enemy was so they could either attack or retreat depending on the size of the forces. Additional inspiration for modern day GPS systems came when Sputnik was launched by the
Soviet Union in 1957. A team of scientists monitored Sputnik’s radio transmissions and discovered that because of the Doppler Effect, the frequency of the signal being transmitted was high as the satellite approached and lower as it moved away. The Doppler Effect is the change in frequency and wave length of a wave as it is perceived by an observer moving relative to the source of the waves. This team of scientists that was observing Sputnik’s radio transmissions soon realized that since they knew their exact location on the globe, they could pin point where the satellite was along its orbit by measuring the Doppler distortion. This was groundbreaking and very exciting for the military at the time. The United States Navy used the first satellite navigation system called Transit. It was first successfully test in 1960 and was quite mind-boggling for everyone in the military. When the Navy tested Transit, they did so hoping for some quite specific results. Using a constellation of five satellites, they found that the system could provide a navigational fix approximately once
per hour. In 1967, the Navy developed the Timation satellite which proved the ability to place accurate clocks in space. This is a technology that the GPS system relies on. In the 1970’s, the groundbased Omega Navigation System, based on signal phase comparison, became the first worldwide radio navigation system.
In February of 1978, the first experimental Block-I GPS satellite was launched into space and the development of modern-day GPS systems began. These original satellites were initially made by Rockwell International. Now, the satellites we use for GPS are manufactured by Lockheed Martin.
In 1983, Soviet interceptor aircraft shot down a civilian airliner flight KAL 007 as it flew in restricted Soviet airspace. This heinous act killed all 269 people on board – all of whom were civilians. Shortly thereafter, President Ronald Reagan announced that the GPS system would be made available for civilian use once it was completed. Because of this horrible act on the part of the Soviets, developed of the GPS system was stepped up more than it ever had been
before and experimentations began in earnest. By 1985, ten more experimental Block-I satellites had been launched into space to validate the concept of GPS and in 1989; the first modern Block-II satellite was launched. By December of
1993, the GPS system achieve initial operational capability and just a month later, a complete constellation of 24 satellites were in orbit with full operational capability declared by NAVSTAR in April of 1995.
A year after that, President Bill Clinton realized the importance of GPS to civilian users as well as military users which prompted him to issue a policy directive that declared GPS to be a dualuse system meaning civilian as well as military. He established an Interagency GPS Executive Board that was responsible for managing GPS as an asset of the United States. the previous examples going off in all directions. So instead of a series of circles, you get a series of spheres.

Contents

History Of GPS
Advantage Of Using A Global Positioning Satellite System
Global Positioning Satellite - New-age Tracking Technology
How Does GPS Work?
GPS Systems – Here Is How It Works!
GPS Tracking Systems: Features To Think About
Problems And Solutions
GPS Tracking System – It's Components At Work
GPS Receiver
GPS Tracking Systems: Reception Counts
Bluetooth GPS Receiver
Bluetooth GPS
GPS Fish Finder
Look At What I Can Do!
GPS Tracker Auto Satellite Images
GPS Tracking Systems: What's New
GPS Tracking Systems Do Many Jobs
Anonymous Cell Phone GPS Tracking
Cellular GPS Locator Phone
Cellular GPS Phone Software
Cellular GPS Phone Tracking
International GPS Cell Phone
GPS Cellular Phone
GPS Tracking Systems: Mapping
GPS Maps
GPS Map Co-ordinate
Take A Left At The Red Barn!
Mexico GPS Map
Lake Of The Woods Ontario GPS Maps
Auto GPS System
GPS Auto Tracker
GPS Vehicle Tracking System
GPS Vehicle Tracking Systems (Continued)
GPS Live Vehicle Tracking Device
Disabling A GPS Vehicle Tracking Device
PDA GPS Software
Free GPS Software
Garmin GPS Director - A Skillful Tracking Contraption
Garmin GPS i5 Streetpilot
Garmin GPS Navagation Refurbished
Garmin GPS Technology - New Age In Tracking Device

And Much Much More!
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Product Details

  • BN ID: 2940014955676
  • Publisher: Syed Arshad Gillani
  • Publication date: 7/17/2012
  • Sold by: Barnes & Noble
  • Format: eBook
  • File size: 998 KB

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Sort by: Showing 1 Customer Reviews
  • Anonymous

    Posted January 15, 2012

    :-'

    I just wanted to be the first one to rite an interview

    1 out of 11 people found this review helpful.

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