Frequently Asked Questions

Does GPR Have Any Limitations?

Does GPR Have Any Limitations?

Ground Penetrating Radar (GPR) is extremely effective at locating subsurface utilities and other materials, however, it does have certain limitations. Ground and soil conditions, weather, and the type of material being located are just a few of the potential limiting factors. In the event that conditions are not suitable for GPR scanning, an alternative recommendation can be made.

Can GPR Find Available Space for Future Burials?

Can GPR Find Available Space for Future Burials?

Yes, our mapping services not only identify existing graves but also clearly show which areas of your cemetery are available for new burials. With our detailed maps, you can easily plan for future burials, maximizing the use of your space while respecting the resting places of others. This makes it much simpler to manage your cemetery’s capacity and plan ahead.

Can GPR Be Used to Locate Unmarked Grave Sites?

Can GPR Be Used to Locate Unmarked Grave Sites?

Yes, Ground Penetrating Radar (GPR) can be used to determine the location and depth of unmarked graves for site planning purposes. We are able to locate most gravesites, even those that have experienced material decomposition. Almost everything below the surface is ready for identification by a Sentry Mapping professional.

Can I Track and Locate Specific Burial Plots with a Web Map?

Can I Track and Locate Specific Burial Plots with a Web Map?

Yes, you can. Our services provide you with a digital, searchable map of your cemetery, making it straightforward to track and locate specific burial plots. Whether you’re looking for a particular individual or need to show visitors to their loved one’s site, our maps make the process quick and stress-free. This digital tool is designed to be user-friendly, ensuring anyone can navigate it with ease, which greatly simplifies the management and visitation of your cemetery.

What Is Ground Penetrating Radar (GPR) and How Does It Work?

What Is Ground Penetrating Radar (GPR) and How Does It Work?

Ground Penetrating Radar (GPR) is a geophysical land locating method that sends tiny bursts of energy waves of varying strengths, from 1 to 1000MHz, to transmit a signal into a surface into the ground and records the strength, as well as the amount of time it takes for the wave to bounce back return the reflection. Each burst identifies if there are any buried or hidden objects within a structure or beneath the surface. This action helps determine the location of buried utilities and other subsurface features invisible to the naked eye.

How Can I Determine if GPR Is Needed for My Project?

How Can I Determine if GPR Is Needed for My Project?

Contact Sentry Mapping by phone or through our website and a representative will be in touch with you as quickly as possible. Our representatives can help you to figure out how GPR services can meet your needs.

How Accurate Are the Results of Ground Penetrating Radar?

How Accurate Are the Results of Ground Penetrating Radar?

GPR is extremely accurate! While accuracy is reliant upon various external factors such as ground and soil conditions, Sentry Mapping’s standards ensure that we are able to obtain the best results possible in each situation. Through past experience, when using a utility locating antenna for scanning, the accuracy is +/- 6 inches to the center of the object being located and +/- 10% to the actual depth.

Is Ground Penetrating Radar Safe to Use?

Is Ground Penetrating Radar Safe to Use?

Ground Penetrating Radar (GPR) is a safe, non-invasive tool used in identifying subsurface objects. GPR does not emit any harmful radiation or other byproducts. The scanning process does not create any noise and the area can remain undisturbed during the course of the scan.

Can GPR Determine the Exact Size of a Subsurface Void Cavity?

Can GPR Determine the Exact Size of a Subsurface Void Cavity?

Ground Penetrating Radar (GPR)  equipment can be used to identify the area where a near-surface void is occurring and can identify that void’s boundaries. However, the depth from the top of the void to the bottom of the void cannot be accurately measured.

DISCLAIMER

Sentry Mapping does not conduct an investigation, analysis, or interpretation of soil composition, soil conditions, or geological or geophysical information. Sentry Mapping reports retrieved data and does NOT provide geophysical, geological, engineering, or land surveying services. Please contact a professional in those fields if such services are needed for cemeteries of any size and underground maps.

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