magnetic surveys

SkyTEM Surveys ApS is a Danish company founded in 2004 as a spin-out from Aarhus University, specializing in helicopter-borne airborne electromagnetic (AEM) and magnetic geophysical surveys. The company designs, engineers, and calibrates its own systems in-house, including transmitter technology and carbon-fiber frames. SkyTEM operates worldwide across Europe, Africa, Australia, and North and South America, with over two million helicopter-flown line kilometers.

airborne electromagnetic surveyingdata acquisition and processinggeotechnical characterizationgroundwater mappinghelicopter-borne geophysical surveysin-house system design and calibrationmineral explorationsubsurface mapping

Geotech is a privately owned company incorporated in 1981, headquartered in Aurora, Ontario, Canada, specializing in airborne geophysical survey mapping, data processing and data interpretation. It operates globally with a fleet of more than 20 aircraft and holds worldwide patents for the VTEM™ and ZTEM™ systems.

airborne geophysical survey mappingdata interpretationdata processingelectromagnetic surveysGIS servicesgravity surveysradiometrics

HydroTerra Technologies, LLC is a full service land and hydrographic surveying firm based in Scott, Louisiana, specializing in inshore and near-shore shallow water hydrographic surveying and a wide range of land survey services. Initially formed as a consulting firm, it provides cost-effective land and hydrographic solutions including oil and gas well location surveys, pipeline and utility route surveys, right-of-way mapping, dredging support surveys, hazard surveys, bathymetric surveys, GIS acquisition and development, consulting and training, and mappi

bathymetric surveysconstruction layoutdredge support surveysdrone based LiDAR surveysgeodetic control surveysGIS acquisition and developmenthydrographic surveyingland surveyingmapping and chartingmarine pipeline route surveys and stakeoutmulti-beam surveysremote sensing surveysside scan sonar surveyssite clearance and hazard surveyssonar imagingsub-bottom surveyssubsidence monitoringvessel based LiDAR surveys