by Dan Bigman | May 21, 2018 | Data Collection
Why is your Hyperbola peak off-set when you collect data up a steep slope? This is because your GPR and the target are at their shortest distance from one another at a different location than directly above your target. As the GPR is pushed up the slope, the shortest...
by Dan Bigman | May 1, 2018 | Data Reporting
****Buy the new GPR BASICS book at: http://learngpr.com/books **** What are the necessities in a GPR Report? What sections should you have in there? Every GPR report needs 5 sections. More are acceptable, but the following 5 are required! The layout I will share are...
by Dan Bigman | May 1, 2018 | Data Collection
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...
by Dan Bigman | Mar 12, 2018 | Damage Prevention, Data Collection, Utility Locating
What is the best way to collect a grid for GPR investigations? There are two basic ways to collect a grid: going in the same direction for each profile, or zigzagging your data collection. Obviously each of these has a benefit and a drawback. 1) Going in the same...
by Dan Bigman | Mar 5, 2018 | Data Collection, Data Interpretation, Utility Locating
I was out in the Texas Oil Fields recently training some students. We were looking for flow lines… but I didn’t even know what a flow line was until I came to Texas! Flow lines are what carry out oil, gas, and water from the well and these can run in any...
