Gamma Ray Sensor MS1000

Recently we finished a first series of flight tests of our “drone-borne” gamma-ray sensor. To answer to the increasing demand for drone-borne sensing systems, we decided almost a year ago, to start the development of a lightweight and rugged version of our gamma-ray detection systems; the “drone detector”. The aim of the project is to create a low-weight, low power and fully self-contained sensor system fit to be used underneath a “standard” unmanned areal vehicle (UAV). A challenge that – as we found – not only involves a fully new detector design, both in hardware as in software, but also a careful look at the drone specifics as we found out the hard way when our first prototype crashed while flying…

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Gamma ray spectrometer-light-weight plane in Madagascar

The use of airborne gamma-ray measurements has a long-standing tradition in geophysical research. The airborne measurement of gamma radiation emitted by naturally occurring elements like potassium (40K), thorium (232Th) and uranium (238U) is a common method in exploration.


Airborne gamma-ray surveys (GRS) have been routinely applied for decades to map the earth’s surface. Recent advancements in computing power and detection technology have significantly improved and it is now possible for gamma-ray systems to be manufactured more compactly, rugged and light-weight. These next generation gamma ray spectrometers open boundless opportunities to use these systems […]