How Were GPS Systems Developed?

12/02/2011 14:10

GPS Tracking devices technology was originally developed by the United States Department of Defense and was created for military use to prevent track of enemies and know their position continually. Tracking technology has been around for quite some time actually - since World war 2 to be exact.

Navigator GPS design is based partly on ground-based radio tracking devices developed in the early 1940's who were used in World War II. Scalping strategies were named LORAN and Decca Navigator and were focused entirely on knowing where the enemy am they could either attack or retreat depending on the size of the forces.

Additional inspiration for present day GPS systems and GPS handhelds came when Sputnik was already released by the Soviet Union in 1957. A team of scientists monitored Sputnik's radio transmissions and learned that because of the Doppler Effect, how often of the signal being transmitted was high as the satellite approached reducing as it moved away. The Doppler Effect could be the change in frequency and wave time a wave which is perceived by an observer moving in accordance with the source of the waves.

This team of scientists that had been observing Sputnik's radio transmissions soon remarked that since they knew their exact location on the globe, they could know where the satellite was along its orbit by measuring the Doppler distortion. This was groundbreaking and very exciting for your military at the time. Fractional laser treatments is used in radar laser detectors too.

The U . s . Navy used the first satellite navigation system called Transit. It was initially successfully test in 1960 and was quite mind-boggling for anyone in the military. In the event the Navy tested Transit, they managed it hoping for some quite specific results. Using a constellation of five satellites, they discovered that the system could provide a navigational fix approximately once every hour. Today's GPS navigation systems like the Garmin Nuvi GPS use approximately twelve satellites to lock on for instant positioning fixes.

In 1967, the Navy developed the Timation satellite which proved the cabability to place accurate clocks in space. This is usually a technology that the Gps unit system relies on. While in the 1970's, the ground-based Omega Navigation System, according to signal phase comparison, took over as the first world-wide radio navigation system. This was the foundation and foundation of today's GPS Portables.

In February of 1978, the first experimental Block-I GPS satellite was already released into space as well as development of modern-day GPS systems began. These original satellites were initially made by Rockwell International. Now, the satellites we use for GPS are built by Lockheed Martin.

In 1983, Soviet interceptor aircraft shot down a civilian airliner flight KAL 007 because it flew in restricted Soviet airspace. This heinous act killed all 269 people aboard - 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 for the Soviets, developed of the GPS navigation system was moved up more than it had been before and experimentations began in earnest.

By 1985, ten more experimental Block-I satellites ended up launched into space to validate the idea of GPS and in 1989; the first modern Block-II satellite was already released. By December of 1993, the GPS system achieve initial operational capability and just a month later, an extensive constellation of 24 satellites were in orbit with full operational capability declared by NAVSTAR in April of 1995.

A year there after, President Bill Clinton realized the need for GPS to civilian users and also military users which prompted him to issue a plan directive that declared GPS being a dual-use system meaning civilian and also military. He established an Interagency GPS Executive Board that had been responsible for managing GPS just as one asset of the United States. On this came the commercial brands for example Garmin Nuvi GPS.

Plans began in earnest to improve upon the system for your everyday user of the navigation system. An announcement was made that the government would upgrade the GPS system with two new civilian signals that is going to lead towards enhanced user reliability particularly with respect to aviation safety. Also, GPS handhelds will be made.

Since those early years, the GPS technologies have evolved into something that the everyday public uses and uses with amazing reliability. What began so as to keep track of our enemies is already used to help guide us en route during trips and excursions. Such companies as TomTom, Magellan and Garmin Nuvi GPS are making a business out of this.

In fact, the GPS system we have today has numerous applications including map making, land surveying, and commerce uses. Plus, due to the way a GPS can pinpoint times with amazing accuracy, scientists will use it in many applications for example the study of earthquakes as well as synchronization of telecommunications networks. Is not that golfers would be able to use a GPS handheld to discover the distance to the flag.

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New ways to use GPS systems are constantly being discovered and in what way that technology is actually evolving, we are sure even more new uses should come about for the GPS systems. They will probably regularly be finding new uses too as the system is constantly enhanced. Next time your on the streets, safely look over on the car next to you and also see if it might include a Garmin Nuvi GPS.