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April, 2008 

190-00224-00 Rev. B Printed in Taiwan

GPS Beginner’s Guide

Summary of Contents for GPS

Page 1: ...April 2008 190 00224 00 Rev B Printed in Taiwan GPS Beginner s Guide ...

Page 2: ...ow Does GPS Technology Work 5 Who Uses GPS 5 Agriculture 5 Aviation 5 Environment 5 Ground Transportation 6 Marine 6 Military 6 Public Safety 6 Rail 6 Recreation 6 Space 6 Surveying 6 Timing 6 WAAS EGNOS 7 Sources of Errors 7 Buying a GPS Receiver 7 Complementary Navigation Aids 8 Why Choose Garmin 8 Garmin Product Overview 8 Avionics 8 Marine 8 Outdoor 8 Mobile Electronics 8 ...

Page 3: ...ion to download a single copy of this manual onto a hard drive or other electronic storage medium to be viewed and to print one copy of this manual or of any revision hereto provided that such electronic or printed copy of this manual must contain the complete text of this copyright notice and provided further that any unauthorized commercial distribution of this manual or any revision hereto is s...

Page 4: ...ollowing three segments Space segment Page 4 Control segment Page 4 User segment Page 5 Space Segment At least 24 GPS satellites orbit the earth twice a day in a specific pattern They travel at approximately 7 000 miles 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 G...

Page 5: ...ol segment constantly monitors the GPS constellation and uploads information to satellites to provide maximum user accuracy Your GPS receiver collects information from the GPS satellites that are in view Your GPS receiver accounts for errors For more information refer to the Sources of Errors Page 7 section Your GPS receiver determines your current location velocity and time Your GPS receiver can ...

Page 6: ...satellites in orbit Future booster rockets and reusable launch vehicles will launch orbit the earth return and land all under automatic control Space shuttles also use GPS navigation Surveying Surveyors use GPS technology for simple tasks such as defining property lines or for complex tasks such as building infrastructures in urban centers Locating a precise point of reference used to be very time...

Page 7: ...PS receiver can view the better the fix is Satellite Geometry Shading refers to the relative position of the satellites at any given time Ideal satellite geometry exists when the satellites are located at wide angles relative to each other Poor geometry results when the satellites are located in a line or in a tight grouping Signal Multipath the GPS signal bounces off of objects such as tall build...

Page 8: ...ST toll free Free product support assistance even after the product warranty period ends Garmin Product Overview You can find a Garmin product to improve your everyday life and to make it more fun Garmin offers products for the following categories Avionics Garmin leads the market in a wide variety of panel mount and portable aviation products Marine On the water you can use marine networking char...

Page 9: ...n about the current status of the GPS satellites visit http tycho usno navy mil gpscurr html For the latest free software updates excluding map data throughout the life of your Garmin products visit the Garmin Web site at www garmin com 2000 2008 Garmin Ltd or its subsidiaries Garmin International Inc 1200 East 151st Street Olathe Kansas 66062 USA Garmin Europe Ltd Liberty House Hounsdown Business...

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