User's Manual
Table Of Contents
- 5 Data Collection Mode
- 6 Surveying Techniques
- 6.1 Low Frequency Reflection (Profiling) Mode
- 6.2 High Frequency Reflection (Profiling) Mode
- 6.3 Antenna Orientation
- 6.4 Triggers
- 6.5 Free Run
- 6.6 Odometer Data Acquisition
- 6.7 Signal Polarity
- 6.8 Spatially Aliasing the Data
- 6.9 Creating a Test Line for Data Quality
- 6.10 Adding GPS for Positioning
- 6.11 Common Mid-Point (CMP) Survey
- 6.12 Transillumination Surveys
- 7 Troubleshooting
- 8 File Management
- 9 Care and Maintenance
- 10 Helpful Hints
- Appendix A: Data File Formats
- Appendix B: GPR Signal Processing Artifacts
- Appendix C: Excerpts from the HP Fiber Optic Handbook
- Appendix D: Health & Safety Certification
- Appendix E: FCC Regulations
- Appendix F: Instrument Interference
- Appendix G: Safety Around Explosive Devices
5-Data Collection Mode pulseEKKO PRO
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5.7 View Previously Collected Lines
After GPR data files have been collected, it is possible to view them on the DVL screen by using the
Collect Line Data or Collect Grid Data option and selecting an existing file. When asked to Overwrite or
View the file, select the View option.
Figure 5-14: To view a previously collected data line on the DVL screen, select Collect Data and select an existing line number.
When asked if you want to view the file or overwrite it, select View.
When viewing an existing file, the header (.HD) file containing the survey parameter information is
displayed first.
Figure 5-15: When viewing an existing file, the header (.HD) file containing all the survey parameters is displayed first.
To see the data image press Start. The data image will scroll on the screen just like it does when data are
being collected. Note that the scroll speed can be increased by decreasing the Delay Time between traces
using the A and B buttons.