1. Surveying -- HOW TO
GPS -- how it works
GPS -- Garmin 12

2. GPS Tutorial
go to site

3. The Garmin 12 GPS Change windows Use to scroll and for keying Confirm
TURN ON
Get back to a point

4. 4 important pieces of data
Nav
Error
First page up….
The satillite
4 important pieces of data
It’s signal

5. Once you have a fix Where you are Your elevation (flaky)
Are you moving?
Your elevation
(flaky)
Where you are
Are you late?

6. Enter a point Page to a list Highlight “waypoint” Hit enter
Select and hit “new”
Name waypoint
Add coordinates
Select and hit “done”

7. Getting back to where you started
Check Distance
Hit GOTO
Pick a Waypoint
Follow the arrow
Monitor Speed

8. CRUDE
Where you are...
Zoom in or out
Scale

9. GPS Accuracy
Non-corrected m
Beacon-corrected 1 m
Radio-corrected cms
Post-processed dm to m

10. Real Time beacon correction for lake cores and bathymetry

11. Differential GPS for precision surveying of river terraces and alluvial fans

12. Cm-scale maps of desert surfaces