GPS Navigation Beginner PDF Manual Guide
Introduction
Global Positioning System (GPS) technology is changing the way we work and play. You can use GPS technology when driving, flying, fishing, sailing, hiking, running, cycling, work or study. With a GPS receiver, has an incredible amount of information at your fingertips. Here are just some examples of how you can use GPS technology.
* Know exactly how much has been executed and at what pace, while tracking its path for you to find your way home
* Notes the perfect fishing spot in the water and easily transfer their
* Get the location closest to your favorite restaurant when outside the city of
* Find the nearest airport or identify the type of airspace you are flying in
What is GPS?
The Global Positioning System (GPS) is a satellite-based navigation that sends and receives radio signals. A GPS receiver acquires these signals and provides information. Using GPS technology, can determine the location, speed and time, 24 hours a day in all weather conditions throughout the worldâ € “for free.
GPS, formally known as the NAVSTAR (Navigation Satellite Timing and Ranging) Global Positioning System, originally developed for the military. Due to its navigation capabilities and popular because you can access the GPS technology by small, low-cost equipment, the government made the system available for civilian use. The U.S. GPS technology has and maintains the Defense Department.
GPS technology requires the following three segments:
1. Space segment (Page 4)
2. Control Segment (page 4)
3. User Segment (page 5)
Space Segment
At least 24 GPS satellites orbiting the earth twice a day in a specific pattern. They travel at about 7,000 kilometers per hour about 12,000 miles above the Earth ™ € s surface. These satellites are spaced so that a GPS receiver anywhere in the world can receive signals from at least four of them.
Each GPS satellite continuously broadcasts encoded radio signals (also known as pseudo code) to the soil. These GPS satellite signals contain the following information:
* The particular satellite that is sending the information
* If the satellite should be at a given time (the exact location of the satellite is called ephemeris)
* If the satellite is functioning properly
* The date and time that the satellite sends the signal
The signals can pass through clouds, glass and plastic. Most solid objects such as buildings to mitigate (reduce power) signals. The signals can not pass through objects that contain a large number of objects containing metal or water (such as underwater sites).
The GPS satellites are powered by solar energy. If solar energy is not available, for example, when the satellite is in shadow Eartha ™ € s, satellites to use battery backups to continue operating. Each GPS satellite is designed to last about 10 years. The Defense Department monitors and replaces the satellites to ensure that GPS continues to operate smoothly for years to come.
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