1

GPS Applications. Sat05_91.ppt, 2005-12-29.

Static

2

GPS Applications. Sat05_91.ppt, 2005-12-29.

Kinematic

3

GPS Applications, Static. Sat05_91.ppt, 2005-12-29. 1. Precise positioning

2. Positioning Services

3. GPS aid in improving satellite orbits

4. Earth orientation and rotation

5. Plate movements

6. Datum-shifts

7. Heights for ground gravity

8. Heights for levelling – Height anomaly determination

9. Clock-corrections and time-transfer

10. Instrument calibration (e.g. radar-altimeter, SAR)

11. Ionospheric and tropospheric mapping

4

GPS Applications, Kinematic. Sat05_91.ppt, 2005-12-29.

Slow movements• Ice Caps, Glaciers• Post-glacial rebound• Tide-gauges – ocean loading• Land-slides• Earth-quakes• Engineering constructions (dams, buildings,

railroad-tracks)• Volcanoes

5

GPS Applications, Kinematic. Sat05_91.ppt, 2005-12-29.

Moving objects

• Photogrammetry (mapping)

• Laser mapping

• LIDAR

• Radar

• Waveheights on the ocean

• Airborne and satellite gravity

• Multipath ocean surface mapping

6

GPS Applications, Kinematic. Sat05_91.ppt, 2005-12-29.

Real-time Kinematic positioning• Navigation

• Guidance and control

7

GPS Applications, Static. Sat05_91.ppt, 2005-12-29.

Positioning

8

GPS Applications, Static. Sat05_91.ppt, 2005-12-29.

Positioning services:

Public:

http://igscb.jpl.nasa.govCommercial:

http://www.trimblecenter.dk/

http://gpsnet.dk/

9

GPS Applications, Kinematic. Sat05_92.ppt, 2005-12-29.

10

GPS Applications, Static. Sat05_91.ppt, 2005-12-29. Plate-movements

11

GPS Applications, Static. Sat05_91.ppt, 2005-12-29.

One man’s noise

is

another man’s signal

12

GPS Applications, Static. Sat05_91.ppt, 2005-12-29.

One man’s noise

is

another man’s signal

13

Troposphere. Sat05_91.ppt, 2005-12-29.

14

Troposphere. Sat05_91.ppt, 2005-12-29.

15

Troposphere. Sat05_91.ppt, 2005-12-29.

16

Troposphere. Sat05_91.ppt, 2005-12-29.

17

GPS Applications, Static. Sat05_91.ppt, 2005-12-29.

18

Troposphere from LEO. Sat05_91.ppt, 2005-12-29.

19

Troposphere. Sat05_91.ppt, 2005-12-29.

20

Troposphere. Sat05_91.ppt, 2005-12-29.

21

Troposphere. Sat05_91.ppt, 2005-12-29.

22

Troposphere. Sat05_91.ppt, 2005-12-29.

http://op.gfz-potsdam.de/champ/ro/001_single_diff.html

http://www.epncb.oma.be/_trackingnetwork/maps.html

23

GPS Applications, Static. Sat05_91.ppt, 2005-12-29.

24

Troposphere from Ground. Sat05_91.ppt, 2005-12-29.

http://www.epncb.oma.be/_organisation/projects/trop_sp/index.html#map

25

Troposphere from ground. Sat05_91.ppt, 2005-12-29.

http://www.epncb.oma.be/_organisation/projects/trop_sp/zpd.gif

26

Ionosphere. Sat05_91.ppt, 2005-12-29.

Observation equation:

= R+cdtu+cdts+cdttrop-cdtion+N+Or

C is the same for L1 and L2 .

iiiionii NdC

27

Ionosphere. Sat05_91.ppt, 2005-12-29.

28

Ionosphere. Sat05_91.ppt, 2005-12-29.

29

Ionosphere model. Sat05_91.ppt, 2005-12-29.

30

Ionosphere from CODE. Sat05_91.ppt, 2005-12-29.

http://www.aiub.unibe.ch/ionosphere/gim_all.gif