anders laukvik - 2007 maps gps maps gps. anders laukvik - 2007 maps gps maps maps are a copy of a...

Anders Laukvik - 2007

Maps & GPS

MAPS & GPS

Anders Laukvik - 2007

Maps & GPS

Maps• Maps are a copy of a given terrain in a

fixed scale– 1:250 000 1:100 000 1:50 000

• Given symbols represent objects on ground

• Grid lines shows landscape ascending / descending – Contour interval

Anders Laukvik - 2007

Maps & GPS

Maps• Standard colors

– Red = Roads Green = Vegetation– Black = Symbols Brown = Contour

• 3 ways to the North– Magnetic, True, Grid

Anders Laukvik - 2007

Maps & GPS

Reading a Map• Try always to know where you are, the

location of where you are going and how to get there.

• From where you are. Pay attention to details like river crossing, bridges, hills, road bends, etc that you have to pass.

• Remember the quickest way is not always in a straight line.

Anders Laukvik - 2007

Maps & GPS

Giving and receiving positions

• Clear text– I am in Kuala Lumpur..– I am 500 meters east of Jalan Ampang, by the

bridge. – N 32h 16’ 26” E 5h 12’ 34”

Anders Laukvik - 2007

Maps & GPS

Longitude and Latitude

Anders Laukvik - 2007

Maps & GPS

GPS

Global Positioning System

Anders Laukvik - 2007

Maps & GPS

GPS – How does it work?• Picks up signals from orbiting navigations

satellites and calculates position.• More satellites, the faster and more

accurate lock.• Tells your location according to your

decision of “Datum”

Anders Laukvik - 2007

Maps & GPS

Where am I….

Anders Laukvik - 2007

Maps & GPS

Where to go….• When planning our trip

– Same datum on GPS and Map– Plot “Waypoint (s)”– Put waypoints together in a “Route”

• Remembering places– “Mark”– Adjust waypoint with logical name

Anders Laukvik - 2007

Maps & GPS

How to go…• Direct line• Always remembering the waypoint• Does not se obstacles• Track and Direction….

Anders Laukvik - 2007

Maps & GPS

How am I doing….

Anders Laukvik - 2007

Maps & GPS

In Traffic

Anders Laukvik - 2007

Maps & GPS

When you arrive…• So you know

Anders Laukvik - 2007

Maps & GPS

”The trail was so hard….”

Anders Laukvik - 2007

Maps & GPS

Lost your keys?• Back-tracker….

Anders Laukvik - 2007

Maps & GPS

MERCY GPS’s

Garmin Etrex VentureGarmin Etrex

Anders Laukvik - 2007

Maps & GPS

What is on the market….