1. Seismic Refraction Data interpretation with RAYFRACT™ Software A short overview. For more instructions, see our manual and PDF help as available on our web site http://rayfract.comhttp://rayfract.com. Copyright© Intelligent Resources Inc. 1996-2007. All rights reserved.

2. Create new profile Select File|New Profile…

3. Edit profile header Select Header|Profile

4. Seismic data import Select File|Import Data…

5. Review first breaks Select Refractor|Shot breaks

6. Smooth inversion Select Smooth inversion|WET with 1D gradient initial model

7. Automatic refractor mapping Select Refractors|Midpoint breaks

8. Wavefront method Select Depth|Wavefont

9. Automatic picking Select Trace|Shot gather

10. Manual refractor mapping Select Refractor|Shot breaks

11. Wavefront LINE14 Select Depth|Wavefront

12. Wavefront PALMFIG4 Select Depth|Wavefront

13. ASCII data import Select File|Import Data…

14. Refractor mapping TRA02ASC Select Refractor|Midpoint breaks

15. Wavefront TRA02ASC Select Depth|Wavefont

16. Smooth inversion TRA02ASC Select Smooth inversion|WET with 1D gradient initial model

17. Wavepath coverage Click on Surfer™ icon in your task bar

18. Forward model first breaks Select WET Tomography|Forward model...