Surveying -- HOW TO

• GPS -- how it works• GPS -- Garmin 12

GPS Tutorialhttp://trimble.com/gps/

go to site

The Garmin 12 GPSChange windows

Confirm

Get back to a point

Use to scroll and for keying

TURN ON

First page up….

4 important pieces of data

The satilliteIt’s signal

NavError

Once you have a fix

Where you are

Your elevation (flaky)

Are you late?

Are you moving?

Enter a point1. Page to a list2. Highlight “waypoint”3. Hit enter4. Select and hit “new”5. Name waypoint6. Add coordinates7. Select and hit “done”

Getting back to where you

started

Follow the arrowMonitor SpeedCheck Distance

Hit GOTOPick a Waypoint

CRUDEWhere you are...

Zoom in or out

Scale

Non-corrected 5-30 mBeacon-corrected 1 mRadio-corrected cms

Post-processed dm to m

GPS Accuracy

Real Time beacon correction for lake cores and bathymetry

Differential GPS for precision surveying of river terraces and alluvial fans

Cm-scale maps of desert surfaces