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O verview and F ield P ractice U sing the T rekker B reeze to C reate R outes and E stablish a P osition in S pace. Craig L. Phillips, MS Ed. COMS December 14, 2013. G lobal P ositioning S ystem 101. First GPS satellite was launched in 1978 Built to last about 10 years
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OverviewandFieldPractice UsingtheTrekkerBreeze to CreateRoutesand EstablishaPositioninSpace Craig L. Phillips, MS Ed. COMS December 14, 2013
GlobalPositioningSystem101 • First GPS satellite was launched in 1978 • Built to last about 10 years • Weigh approximately 2,000 pounds • 17 feet across with solar panels Craig L. Phillips, MS Ed. COMS
GlobalPositioningSystem101 • Satellites orbit 12,000 miles above Earth • 24 satellites constantly moving • Two complete orbits in less than 24 hours • Travelling at speeds of roughly 7,000 miles an hour Craig L. Phillips, MS Ed. COMS
GlobalPositioningSystem101 • Accuracy resolution +/- 50 feet • Any weather conditions • Anywhere in the world • No subscription fees or setup charges to access GPS • 24 hours a day Craig L. Phillips, MS Ed. COMS
GlobalPositioningSystem101 Signals travel by line of sight • Can go through clouds, glass, and plastic • Cannot go through most solid objects such as buildings and mountains Craig L. Phillips, MS Ed. COMS
Triangulation Three (3) satellites to calculate • a 2D position (latitude and longitude) • and track movement Four (4) or more satellites to calculate • a 3D position (latitude, longitude, and altitude) • and track movement Craig L. Phillips, MS Ed. COMS
Information Where am I? and What’s around? Information, settings, and active queue Repeat message, key describer, and what’s in the queue Craig L. Phillips, MS Ed. COMS
Selection Confirm Delete characters in address entry Left and right arrows for menus and lists Craig L. Phillips, MS Ed. COMS
Action Explore, Backtrack activation, and go back a queue(s) Go To a landmark, a previously recorded route or access Address Entry mode Record a Landmark or Create a Route Craig L. Phillips, MS Ed. COMS
AddressEntry • Press and Hold “Go To” then the Left arrow. • Breeze will prompt for state, city, street, and civic number. • Press and Hold appropriate button and release when desired character is heard. • Check what’s in the queue and the press Confirm to start the search. • Scroll with Arrow keys and Press Confirm to make a selection. • *Press the left arrow key to Delete any errors when entering information. Craig L. Phillips, MS Ed. COMS
Sources • www.garmin.com • www.humanware.com • Leader Dogs for the Blind Trekker GPS Training • Phillips, C. L. (2011). Getting From Here to There and Knowing Where: Teaching GPS to Children who are Visually Impaired. Journal of Visual Impairment and Blindness, 105, 675-680. Craig L. Phillips, MS Ed. COMS
CraigL. Phillips, MS Ed. COMS • Kansas State School for the Blind • 1100 State Avenue • Kansas City, KS 66102 • O: 913.281.3308 X335 • C: 913.645.5472 • cphillips@kssdb.org • cleep1700@att.net Craig L. Phillips, MS Ed. COMS