Geoscientific Instrumentation, Methods and Data Systems
Geoscientific Instrumentation, Methods and Data Systems
GI
Articles | Volume 11, issue 2
Articles | Volume 11, issue 2
https://doi.org/10.5194/gi-11-435-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gi-11-435-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 11, issue 2
Research article
 | 
08 Dec 2022
Research article |  | 08 Dec 2022

Drone-towed controlled-source electromagnetic (CSEM) system for near-surface geophysical prospecting: on instrument noise, temperature drift, transmission frequency, and survey set-up

Tobias Bjerg Vilhelmsen and Arne Døssing

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Latest update: 26 Oct 2025
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Short summary
Electromagnetic sensors in a drone set-up allow a lot of movability and downscale the cost and risk typically associated with an airborne system. This paper discusses the pros and cons of our newly developed drone-towed sensor system, where we use the controlled-source electromagnetic sensor GEM-2. We conduct six different tests dealing with altitude dependency, temperature drift, transmission frequencies, T and P mode, and drone noise. Additionally, we show a data set collected with the system.
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