Dictionary:High-resolution aeromagnetics (HRAM)

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{{#category_index:H|high-resolution aeromagnetics (HRAM)}}

High-precision aeromagnetics flown at low terrain clearance (80–150 m) with close line spacing (100–500 m) recorded with a high-sensitivity magnetometer (0.001–0.005 nT) at high sample rates (0.1–0.25 s) using a high-precision positioning system (usually differential GPS).