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GPR Viewer from is one of the best tools for viewing GPR data. This is a FREE tool made by Lawrence B. Conyers. When compared with options like RADAN 7 offered by GSSI it may be lacking features, but when you are talking free vs $4000 per computer it's an amazing solution. I have used GprViewer many times for large and small projects even on occasion over RADAN 7 of with we have a full copy. When I am having issues interpreting the data I am looking at throwing some passes in GprViewer and taking a better look has saved me more than a few times. One of my personal favorite features is how it handles gain. You can vary the gain at different depths and get a clearer picture of what is going on. I would love to see this ported to Android or IOS for use on a tablet, but being as this is a free program that would be a value option at several hundred dollars you really can't complain.

The ground penetrating radar (GPR) market is expected to grow from USD 493 million by 2019 to USD 726 million by 2024 at a CAGR of 8.1% from 2019 to 2024

Safety concerns and the protection of underground utilities are a large segment of the growing market, as well as evaluating aging infrastructures such as highways and bridges. The advantages of GPR over other traditional destructive technologies such as taking core samples, and government support for the implementation of GPR are among the key factors driving the market growth.

Although Europe is representing 50% of the total GPR market it is expected that the US market will be catching up as more high-value lines such as fiber become more prevalent.

Ground Penetrating RADAR will save you money and keep your team safer. We find one in five scan locations are located above a conduit, PT cable or another significant object. The price of hitting one conduit or PT cable would cost more than 30 scans on average to repair. Xenogenesis offers a guarantee on all elevated slab scans. If we miss it we cover the cost. This means when you hire Xenogenesis your budget is safe from damages related to coreing and saw cutting on all elevated slab work. Why risk your team's safety to luck when it comes to coring into a conduit, when you can avoid it altogether.

GPR 3D Imaging is a useful tool for getting a picture of what is in the subsurface. Although not often needed in day to day GPR scanning applications it is a useful tool for engineers when more information about the subsurface is required. For getting a better look when coring on rebar is the only option, you can also analyze the area in 3d, and double-check no conduit or PT cable is running parallel. 3D is also available for utility or other grade applications for those who needed the data for geophysical applications.

Water can drastically affect the attenuation of the GPR signal in soil and in large concentrations will outright block the signal. This means in areas of wet clay the depth might be limited to as low as 4 feet but in very dry sandy conditions may reach as low as 12 feet. This property can make water leaks very easy to locate with GRP. If you are having trouble locating the source of your massive water bill having a GPR tech come out might be your best option.

The China National Space Administration’s (CNSA) is going to use Ground Penetrating RADAR to look at the subsurface of Mars. The CNSA has not yet sent an orbiter to Mars but plans on skipping this step to look at the surface and subsurface faster. The rover is aimed to launch sometime in the summer and should arrive in 2021. This type of Ground Penetrating RADAR (GPR) is also going to be in the NASA Mars 2020 rover, due to launch in July. The combination of subsurface information from multiple sites and both rovers will boost our knowledge of how Mars was formed. Abundant ice is present beneath the permanent carbon dioxide ice cap at the Martian south pole and maybe in the shallow subsurface at more temperate conditions. If the GPR can locate a shallow reign on Mar's water table this would go along way towards making a colony on Mars possible.

Top Market Performers

IDS GeoRadar
US Radar
Utsi Electronics
Chemring Group
Japan Radio Co
Kedian Reed

Another steady growth year for GPR. We are very happy to be part of such an important industry.

Full report

A company called WaveSense is trying to add Ground Penetrating RADAR into the array of sensors that are used on self-driving cars. WaveSense uses gpr + gps to map the road. This, in theory, could allow the vehicle to determine the location and position within a centimeter of accuracy.

WaveSense explains the need for the tech in this way

"Existing autonomous vehicle and ADAS technologies seek to recreate the perfect human driver by emulating human vision and cognition. But autonomous and driver-assisted vehicles can and must become safer than human drivers. Instead of imitating visual human driving, WaveSense’s ground-penetrating radar helps autonomous and driver-assisted vehicles see what humans cannot: that which lies below the ground.

WaveSense’s subterranean radar images enable a whole new dimension of sight. With the addition of subsurface data to above-ground camera and LIDAR sensor information, self-driving and ADAS-enabled cars now have a complete toolkit to work with when making driving decisions.

Safety is everyone’s #1 priority in the industry. Fusing several independent approaches—from cameras or LIDAR and GPS/INS to GPR—is the best way to ensure robustness, so that no one technology can cause a significant (and deadly) error. " -- the WaveSense Team

How effective this system would be in very wet or rainy conditions is still yet to be sceen. Another possible use case would be equipping the system to a sampling of government vehicles like that of the highway patrol. This would give valuable real-time data to the DOT on the conditions of our highway infrastructure, and bridges. As well as information on areas of black ice or other potential hazards such as developing sink holes, before they become a problem.

For more Information on WaveSense you can find them at

And for more information on GPR you can visit us at

Ground Penetrating RADAR discovered a viking ship at Romsdal County in Norway. The ship dates back to the Viking period or Merovingian period. The length of the ship was between 50 to 55 feet, and more than 1000 years old. Traces of a settlement was also found along with burial mounds. The discoveries were made by archaeologists from the Norwegian LBI ArchPro. This is not the only ship they have located through GPR. To learn more about LBI and the discoveries they are making you can find them located here:

Steel rebar like all steel is prone to rust. Steel that is visible can be maintained with a paint layer to protect it from oxygen and water. Like that of an all-steel bridge. What about steel embedded in concrete? Steel embedded in concrete is hidden to us, but can still be very active. Concrete is very porous which can allow moisture and air to reach the steel if it is not set deep enough in the concrete. This turns the rebar into a primitive kind of battery with an anode and cathode that powers the generation of rust. this can cause the rebar to grow up to 4x it's original size. This will cause massive cracks and blowouts in the concrete. There are lots of variations on how porous different type of concrete maybe, but a good general rule is to make sure to have at least 3 inches of concrete to act as a vapor barrier. Just a small section of expanding rebar can cause micro-fractures that will compromise all the surrounding rebar, this will greatly compromise the structure over time. GPR can be used to quickly find the depth of steel and located any runs that might cause issues before it is too late.
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