It provides an answer to the question where on earth am. Mar 24, 2015 global positioning system gps seminar and ppt with pdf report. Sujeet kumar advanced excel training in hindi recommended for you. Maps, types of maps, uses of maps in modern society, digital maps, gis this is a powerpoint which steps pupils through differences between maps, photos and fieldsketches. Ppt introduction to gpsgis powerpoint presentation. Introduction to gps the goal of this handout is to show you how to use gps nmea data and demonstrate some of the features and hardware one finds in embedded gps modulesreceivers. Introduction to gpsgnss presentation powerpoint 2007. For example, the process of exporting a gps job which contains data for house, road and lot features would create a house layer, a road layer and a. What has most significantly changed navigation techniques is the advent of global navigation satellite systems gnss, which started with the launch of the u.
Newer satellites have been sent up to replace older ones. If you continue browsing the site, you agree to the use of cookies on this website. It then links to digital mapping and the use of gissatnavgps. An introduction to the global positioning system subject. Global positioning system gps and its applications united nationscroatia workshop on the applications of global navigation satellite systems baska.
Much of what is written is relevant to other satellitebased positioning systems. Metadata information about the data layer read the metadata to determine who created the data, when it was created, what the codes in the table mean. In our presentations, the destination is the goal of the presentation. What drives the largescale dynamics of the solid earth. The next step in using a gps is for it to determine your current location. Give students a couple of current examples that they are likely to be familiar with, such as using gis to understand crime patterns in a city or to track wildlife as. Data models map projections and coordinate systems data entry digitizing data entry gps data entry digital data image data tables basic spatial analysis raster analyses spatial models and modeling data quality the future why does gis matter. Gps and gsm based vehicle tracking system presented by. Gps system architecture for the love of physics walter lewin may 16, 2011 duration. Qgis is a free and open source geographic information system maintained by the qgis project. Introduction to gps and other global navigation satellite systems luke winternitz nasagoddard space flight center code 596 acknowledgment to mike moreau nasagsfc code 595.
Introduction to global navigation satellite systems ntrs nasa. Ah introduction to gps the global positioning system 2002 fly by. Department of defense made improvements to the first satellite system for obvious reasons. Finally pupils are taken through an example of a role play a. Jun 24, 2010 click and for many of north american customers, gps means the car navigation product. Samarasinghe superintendent of surveys institute of surveying and mapping diyatalawa. Ppt introduction to gps powerpoint presentation free.
The global positioning system gps has revolutionized both surveying and navigation. The framework gives basic capacities to military and regular citizen clients around the world. Each of the three types offers different levels of accuracy, and has different requirements to obtain those accuracies. Getting coordinates from a gps receiver is usually a matter of pushing buttons, but knowing what those coordinates are, and. Uscg differential gps this site gives a brief introduction to gps including. Encourage students to share descriptions of using carmounted gps devices or gps on a mobile phone for driving directions, or handheld gps devices for activities such as geocaching. Check out the navcen homepage for links to lots of documents related to gps. Explain that gis is an acronym that stands for geographic information systems. Gps global positioning system an introduction title.
Gps technology due to the obvious military advantages to knowing precise locations, the u. Introduction to gps the global positioning system gps is a satellitebased navigation system that was developed by the u. Introduction to gps gis state plane zones generally, the boundaries between state plane zones follow county lines. Gps is utilized for the route in planes, boats, autos, and trucks too. Introduction to gps and other global navigation satellite systems luke winternitz nasagoddard space flight center code 596 acknowledgment to mike moreau nasagsfc code 595 42nd annual time and frequency metrology seminar. Gps is a acronym and it stands for global positioning system. Introduction to gis geographic information system gis. Arial calibri helvetica symbol blank presentation gps surveying the garmin 12 gps powerpoint presentation trilateration and a 4th for timing powerpoint presentation powerpoint presentation powerpoint presentation powerpoint presentation differential gps for precision surveying of river terraces and alluvial fans. It is a system to find the position of something anywhere in the world. Since 2007, scpnt has been hosting an annual pnt symposium, and the scpnt website contains an archive of presentation files from all pnt synposia, plus a gallery of gpspnt photos and video. With this information, you can import the data into a gis where it can be properly queried, analyzed, and viewed. Department of defense global positioning system gps in the late 1970s. This slide was made for the english presentation space meeting.
A free powerpoint ppt presentation displayed as a flash slide show on id. Global positioning system gps and its applications united nationscroatia workshop on the applications of global navigation satellite systems baska, krk island, croatia april 20 u. Global navigation satellite system gnss, global positioning system gps, glonass, geographic information system gis, galileo, lbs, avl, wireless networks, waas, egnos, applications of gnssgis to city planning and engineering. Introduction gps global positioning system is a powerful tool especially when coupled with gis. Public presentations this page provides electronic copies of official u. The full name of gps tells you that its usage of satellites and two important factors of the system. Global positioning system gps devices are available for checkout from the rotch library circulation desk. Gps satellites transmit righthand circularly polarized signals to the earth at two frequencies, designated l1 and l2. Introduction to gps zhang liu navigation engineer northrop grumman corporation april 28, 2011. Contents introduction what is gps position calculation by gps block diagram of vts applications. Decisionmaking success of a gis the data set brief history of maps history greeksromans 18th century scale distance planimeters 1st used to measure area roman surveying instrument called a groma used for measuring right angles to align streets ns and ew. However, it was later made available to civilians, and is now a. Uscg differential gpsthis site gives a brief introduction to gps including. Depending on its size each state is represented by.
Introduction to the global positioning system for gis and traverse chapter nine. How does a gps get to know our location gps or global positioning system is a satellite route framework that outfits area and time data in all atmospheric conditions to the client. Nevin dawson, forest stewardship educator in cooperation with. The final step in incorporating gps data with a gis system is to export the gps and feature data into the gis system. The global positioning system gps was designed for military applications. Introduction to the global positioning system prework prework objectives describe at least three sources of gps signal error, and ways to mitigate or reduce those errors. Identify the three segments of the global positioning system and describe the purpose of each. Global positioning system gps technology is a great blessing to anyone who has the need to navigate either great or small space. Early applications of gnss were developed for the military and soon expanded to the survey and mapping. Getting back to where you started follow the arrow monitor speed check distance hit goto pick a waypoint noncorrected 530 m beaconcorrected 1 m radiocorrected cms postprocessed dm to m gps accuracy differential gps for precision surveying of river terraces and alluvial fans crash course in surveying with an auto level. Lengthscale 1 meter to 10,000km heat flow out of oceans and continents. Please note that many briefings include technical content as well as general information about gps. This is an acronym for navigation system with time and ranging global positioning system. This page contains global positioning system seminar and ppt with pdf report.
During this process, a gis layer is created for each feature in the gps job. The gps constellation of satellites consists of at least 24 satellites 21 primary satellites and 3 orbiting spares. A mathematical discourse concerns itself mainly with gps as it is the dominant global positioning and navigation satellitebased system. Participants will be able to list at least three ways that gps is important to your daily life. Gps global positioning system introduction, history, working, applications darpan dodiya. Gps brings the use of a locational tool, whose accuracy and precision rivals most surveying systems in use up to the present. Gps is one of the single largest breakthroughs in gis since its inception. It then links to digital mapping and the use of gissatnav gps.
The satellites were built by rockwell international and were launched by the u. Global positioning system gps seminar and ppt with pdf report. First satellite launched in 1978 the total investment by the u. The nominal gps operational constellation consists of roughly 24 satellites. Introduction to global navigation satellite systems. Jonathan kays, natural resources extension specialist, elli hammond, forestry extension assistant, and john mcgee, virginia geospatial. They orbit the earth at an altitude of 17,500 km 10,900 miles at a speed of 1. Initially, gps was developed as a military system to fulfill u. Introduction to gps it isnt hard to operate a gps receiver matter of fact, most of them are so userfriendly you dont need to know the first thing about gps to make them work.
The scpnt website provides both historical and current information about gps research at stanford. An introduction to gps global positioning system web. Jan 22, 20 maps, types of maps, uses of maps in modern society, digital maps, gis this is a powerpoint which steps pupils through differences between maps, photos and fieldsketches. The gps or global positioning system is a system for calculating position from signals sent by a network of satellites the satellites orbit and the earth is in a geosynchronous orbit, at an altitude of 20. Explain that gps technology uses satellites to pinpoint position on earth with the aid of a gps device or unit. A gps receiver decodes time signal transmission from multiple satellites and calculated its position. A gps starts by asking you the destination you want to reach. Gis is a system or tool for displaying and analyzing data related to positions on earths surface. Introduction to global positioning systems gps nrcs usda.
The global positioning system volume 0 of artech house mobile communications series artech house telecommunications library mobile communications series. The following materials were drawn from two introductory gis workshops given at mit during iap 2016. Ah introduction to gps the global positioning system 2002 fly, author. Introduction to gis objectives brief history of maps limitations of maps introduction of the computer what is a gis. Sep 04, 2016 gps system architecture for the love of physics walter lewin may 16, 2011 duration.
Introduction to gis introductory materials course topics motivation. The original intent of the global positioning system was to develop an allweather, 24hour, truly global navigation system to support the positioning requirements for the armed forces of the u. Its primary purpose was to allow soldiers to keep track of their position and to assist in guiding weapons to their targets. There are three types of gps receivers which are available in todays marketplace. Introduction to the global positioning system gps learning outcomes participants will be able to describe the basics of gps. Gps global positioning system an introduction author. The gps signal communicates information about the precise position of the satellite and the precise time of the signal. In addition, i will show how the features and hardware can affect tracking accuracy. Introduction to the global positioning system gps introduction to the global positioning system gps learning outcomes participants will be able to describe the basics of gps. If you collect data in the field, gps enables you to know precisely the location of the collected data. Uncertainties in global positioning systems gps positioning. Global positioning system seminar pdf report and ppt. Participants will be able to describe the method gps uses to calculate your position.