The document provides instructions for calculating horizontal to vertical spectral ratios (H/V ratios) from seismic data using the TsPro software. It explains how to upload seismic data files, set the component order if it is not the standard X, Y, Z, and calculate the H/V ratio if the file has at least two components. The document also describes how to change the component order using the metadata and save the H/V ratio graph.

1. H/V Spectral Ratio Prepared by

2. Context Download Software Upload the Data Data Order H/V Calculation

3. Download TsPro http://fieldgeophysics.pbworks.com/HZ

4. Context Download Software Upload the Data Data Order H/V Calculation

5. TsPro and Data Click on TsPro RUN

6. Select one SGY file and drag it over the Tspro window Single Data Upload

7. Context Download Software Upload the Data Data Order H/V Calculation

8. Readable Order Any of following sets are readable. 1) X/Y/Z or EW/NS/V for file having at least 3 components 2) H/V for file having at least 2 components

9. Data Order If a file having 3 traces or more, and the 1st 3 traces are X, Y, and Z, respectively, H/V ratio can be obtained by checking on the check box in row-22 of [Utility] sheet. Click on the side head with a "?" to show associated hints.

10. Change the Order by METADA From X,Z,Y to X,Y,Z Click the Meta Data, and Write the Order (X,Y,Z)

11. Change the Order: Simply Reword FALSE ORDER TRUE ORDER

12. Copy and Paste

13. Context Download Software Upload the Data Data Order H/V Calculation

15. Save the picture as a Post Script, and play with the picture.