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Autonom georadar på Vinnan gård i Trøndelag.
The newly developed GPR robot is the first of its kind and represents a significant technological development in archaeological prospection.

This robot is on the hunt for Norway's hidden cultural heritage

This is a revolutionary self-driving ground-penetrating radar for archaeological investigations. 

The Norwegian Institute for Cultural Heritage Research (NIKU) and the technology company AutoAgri are launching a revolutionary self-driving ground-penetrating radar (GPR) for archaeological survey. 

The technology promises increased efficiency, climate friendly solutions, and accurate mapping of hitherto undiscovered cultural heritage.

Collects data all by itself

The new GPR that is now being tested seems very promising. The autonomous system performs the data collection alone and without a driver. Instead of spending many hours in a tractor first and interpreting the data afterward, the archaeologist can now work continuously with the data in real time.

Knut Paasche, avdelingsleder for digital arkeologi,  gleder seg over den teknologiske nyvinningen.
Knut Paasche is delighted over the new technology.

“Automatic transfer of data to a PC means that we can already start processing and interpreting the data in the field,” Knut Paasche says. He is head of the Digital Archeology Department at NIKU. 

The new GPR system delivers significantly higher resolution and a clearer signal than the equipment used until now. This makes the results better and more accurate, and will lead to improved archaeological results.

This equipment is particularly well suited for recording traces of archaeological structures, which are classified as automatically protected cultural heritage, hidden under cultivated land.

Especially in the case of archaeological registrations in advance of major infrastructure projects, such as roads and railways, this can make the work more efficient. The use of motorised, now also autonomous, GPR systems will be a good supplement to existing archaeological recording methods.

First of its kind

This system combines an autonomous vehicle with an updated GPR system. 

The project’s main goal is to integrate these two components mechanically, electronically, and using specially developed software from NIKU and AutoAgri.

"This is a great example of how interdisciplinary collaboration can produce innovative technology that serves society by preserving our common cultural heritage," Erich Nau says.

Erich Nau leder prosjektet med å utvikle det nye georadarsystemet.
Project manager Erich Nau is leading the developments of the new system.

He is NIKU’s project manager for the development of the new system.

The robot is currently being tested on locations

A prototype of the system was completed in 2021, and the fully developed system is now in use.

The first operation with the self-driving GPR takes place at two farms in a central part of Norway, in collaboration with the NTNU University Museum and archaeologists from Trøndelag country.

På Vinnan i Stjørdal gjorde arkeologene fantastisk funn med førerstyrt georadar i fjor. Nå kjører georadaren videre på egenhånd, på jakt etter flere skjulte kulturminner.
At the farm Vinnan in Stjørdal, the archaeologists made fantastic discoveries with driver-controlled GPR last year. The robot now continues on its own, looking for more hidden cultural heritage.

The survey is part of the Farmers on Land, Vikings at Sea project. It aims to explore the Late Iron Age and the Viking Age to better understand Norway's history.

The project sheds light on the extensive upheavals that took place in society in the latter part of the Iron Age (Merovingian and Viking) and the early Middle Ages. 

Central to the project are processes related to the formation of the state, the change of religion, and the national assembly in the period leading up to the battle at Stiklestad in 1030.

Looking for more

Already last year, NIKU made new and especially exciting discoveries with georadar on the Vinne farm in Verdal. Now the archaeologists want to see what else might be hidden underground at Auran and Vinnan farms in central Norway.

They hope the findings can help to shed light on the formation of the state, the unification of Norway, and the change of religion in Norway a thousand years ago.

“Many wonderful finds have previously been made here using metal detectors. Such findings often indicate structures under the topsoil. Perhaps the new vehicle will reveal more ploughed-over graves, a trading post, or other traces of activity from the Viking Age?” Knut Paasche says.

Here you can see the autonomous ground-penetrating radar at the Vinnan farm in central Norway.

Climate friendly technology

Cultural heritage conservation is an important part of overall nature and environmental protection. The robot is fully electric and helps to reduce climate emissions and noise pollution. 

Previously, these tractors were diesel-powered.

“Climate friendly solutions reducing emissions at the same time as they help protect hidden cultural monuments under the ground is as a double blessing in this context,” Paasche says. 


    • AutoAgri  is a Norwegian technology company, that develops and manufactures autonomous and electric implement carriers for agriculture, parkland, and survey.
  • Guideline Geo/ MALÅ, based in Sweden, is a leading technology company with a focus on geophysical measurement equipment and is a supplier of georadar technology.
  • NIKU is an independent research and expertise environment for Norwegian and international cultural heritage. NIKU works with the development and use of high-tech solutions in connection with archaeological mapping.

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