global positioning system (gps) presenters: dean & nanci terencio phone: 345-1654 cells: nanci...

Global Positioning

System (GPS) Presenters:

Dean & Nanci Teren-cio

Phone: 345-1654Cells: Nanci 440-7767 Dean 244-6082

Email dterencio@gci.net

Feb. 13, 20, 2710:45am – 12:00pm

What a GPS unit can do for YOU!

Location: Your latitude and longitude (lat, lon)

Find you camp/game

Plan a trip

Store waypoints

Return back the way

in

Find distance

Man over board

Altitude

Many uses

Does NOT replace map or compass

Global Positioning

System (GPS)

•Constellation of 24 active GPS satellites plus 8 spare

• Medium earth orbit (12,550 miles)

•GPS receivers

4

U.S. GPS History

1984 GPS project initiated1994 GPS constellation completed2000 Selective Availability (SA) Turned offU.S. Air Force runs the system

SatellitesTotal satellites 2,271

Russia 1,324 USA 658

Million of pieces of debris and space junk

Military and civilian earth observation, communications, navigation, weather, research and more

6

Location

Low Earth Orbit (LEO) 1,240m

Medium Earth Orbit (MEO) 22,236m

High Earth Orbit (HEO) above 22,236m

7

Selecting a GPS Unithow used

cost

size/weight

keyboard size

power source AC/DC

screen size - color/bw

base map

interface jack/antenna

waterproof/water resistance

internal memory

user friendly manual

extra bells and whistles

9

GPS Levels

Location

Location

Location

Location

Location

Location

Location

Location

Location

Location

W E N

S

Latitude and Longitude

GPS Fix

Satellites

You are here

Earth

Coordinates (1)Decimal Degrees

lat 61º11’ 18.95” N

log 149º 55.54” W

Degrees, Decimal, minutes

lat 61º11.317’ N

log 149º 49.927’ W14

Coordinates (2)

Decimal Degrees

lat 61.188616º

log 149.83210º

Universal Transverse Mercator (UTM)

6787082.42m N

6V347764.95mE15

map datum

A reference to which measurements are related.

Hundreds of datum's

WGS 84, 72, 64 60

NAD 83, 27

16

World Datums

End session 1 of 3

Global Positioning

System (GPS) Presenters:

Dean & Nanci Teren-cio

Phone: 345-1654Cells: Nanci 440-7767 Dean 244-6082

Email dterencio@gci.net

Feb. 13, 20, 2710:45am – 12:00pm

X

Todays Discussion

Starting up the GPSFind MenuWaypoints

RoutesTracks

Class Field Exercise

GPS Face

Satellite Page

Some show battery life“D” Differential

Number of satillites

GPS Sky View

Accuracy Distractors

Main Page

System Setup

Unit Setup

Position Format

Hddd0 mm.mmm’ = 061o 32.645’

Hddd.dddddo = 061.32645o

Hdddo mm’ss.s” = 061o 32’ 43.25”

Time Setup

Coordinated Universal Time (UTC)

24 time zones

15 degrees longitude

Make Waypoints Mark while on location

Map page

Enter Coordinates

Waypoint Page

RoutesWay-points

Waypoint list

WP

WP

WPWP

WP

WP

WP

RouteList

R1

R3

R2

R1

R2

R3

Waypoint Cycle

Making TrackPoints

Sort of like a route

Hansel and Gretel

Continuous marking

Track Log Setup

Track Log

Tracking Map

TrackPoints vs WayPoints

Class Exercise

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