An EM receiver system for measuring EM signals while being transported by an associated vehicle (HLC), comprising - a base part (B) arranged for connection to the associated vehicle (HLC), - a EM receiver coil (RC) comprising a plurality of windings of an electrical conductor (EC) and being arranged for measuring an EM signal, further comprising a coil support (CS) fixed to the electrical conductor (EC), - a suspension system comprising - first and second gimbal axles (GX, GY) defining first and second gimbal axes (X, Y) arranged in one plane, wherein the first and second gimbal axles (GX, GY) are arranged within a periphery defined by the EM receiver coil (RC), - a central element (CE) arranged in a central part of the EM receiver coil (RC) and connected to both of the first and second gimbal axles (GX, GY), so that the first and second gimbal axes (X, Y) intersect in a central part of the EM receiver coil (RC), - a first set of joints (J1, J2) fixed to the coil support (CS) and a second set of joints (J2, J3) fixed to the base part (B), so as to allow the EM receiver coil (RC) to pivot around the first and second gimbal axes (X, Y), the suspension system characterized by $ - a spring system (S1, S2, S3, S4) serving to provide a self-righting effect on the EM receiver coil (RC) around each of the first and second gimbal axes (X, Y). - a base part (B) arranged for connection to the associated vehicle (HLC), - a EM receiver coil (RC) comprising a plurality of windings of an electrical conductor (EC) and being arranged for measuring an EM signal, further comprising a coil support (CS) fixed to the electrical conductor (EC), - a suspension system comprising - first and second gimbal axles (GX, GY) defining first and second gimbal axes (X, Y) arranged in one plane, wherein the first and second gimbal axles (GX, GY) are arranged within a periphery defined by the EM receiver coil (RC), - a central element (CE) arranged in a central part of the EM receiver coil (RC) and connected to both of the first and second gimbal axles (GX, GY), so that the first and second gimbal axes (X, Y) intersect in a central part of the EM receiver coil (RC), - a first set of joints (J1, J2) fixed to the coil support (CS) and a second set of joints (J2, J3) fixed to the base part (B), so as to allow the EM receiver coil (RC) to pivot around the first and second gimbal axes (X, Y), the suspension system characterized by $ - a spring system (S1, S2, S3, S4) serving to provide a self-righting effect on the EM receiver coil (RC) around each of the first and second gimbal axes (X, Y). - first and second gimbal axles (GX, GY) defining first and second gimbal axes (X, Y) arranged in one plane, wherein the first and second gimbal axles (GX, GY) are arranged within a periphery defined by the EM receiver coil (RC), - a central element (CE) arranged in a central part of the EM receiver coil (RC) and connected to both of the first and second gimbal axles (GX, GY), so that the first and second gimbal axes (X, Y) intersect in a central part of the EM receiver coil (RC), - a first set of joints (J1, J2) fixed to the coil support (CS) and a second set of joints (J2, J3) fixed to the base part (B), so as to allow the EM receiver coil (RC) to pivot around the first and second gimbal axes (X, Y), the suspension system characterized by $ - a spring system (S1, S2, S3, S4) serving to provide a self-righting effect on the EM receiver coil (RC) around each of the first and second gimbal axes (X, Y). <EOS>