Data Collection

Four Must Know GPR System Calibrations! | Ground Penetrating Radar

By May 1, 2018 No Comments

In this video I outline the 4 Must Know GPR system calibrations. If you have control over these 4 things you will substantially increase the likelihood of success on any project.

The four are:

1) Hyperbola fitting – using this function will allow you to estimate GPR wave speeds and give you the chance of estimating depths of targets.

2) Time window – correctly calculating an appropriate time window will make sure you are not alienating targets (having them deeper than you can prospect) but also that you are providing the highest resolution for your data. This will also make sure you are maximizing data collection speeds for your project.

3) Background filter – This will help you remove horizontal banding (noise) in your profiles. There are many sources of this noise, but it can be removed. Caution…make sure you don’t remove horizontal targets that you are looking for.

4) Gains – This is a multiplier that lets you enhance the visualization of your GPR data. This is especially important in identifying subtle late arrivals with low amplitudes resulting from signal decay.

Take ownership of these 4 calibration functions and increase your success as a GPR practitioner!

If you use GPR and didn’t know how this worked, then you should get further training. Check out our upcoming webinars, classes, and live workshops at LearnGPR.com.

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