Abstract: An airborne electromagnetic survey system for geophysical prospecting comprising: a frame with a frame front section opposite a frame tail section, the frame configured to be lifted and towed by an aircraft via a tow arrangement during survey operation, the frame configured to support a transmitter coil configured to transmit an magnetic moment, wherein the frame comprises multiple frame segments, at least one of the frame segments comprising a first connection and a second connection for connecting to another one of the frame segments, a structural support providing a rigid structure between the first and second connections, and a frame segment surface providing the frame segment with an aerodynamic profile, wherein the aerodynamic profile is configured to provide aerodynamic properties to the frame, and wherein when the frame is towed by the aircraft, the frame has substantially a fixed frame shape and is substantially in a fixed operational orientation.

Abstract: An airborne electromagnetic survey system includes: a transmitter arrangement comprising at least one current source configured to connect with a transmitter coil arrangement, and a switch arrangement between the at least one current source and the transmitter coil arrangement, the switch arrangement configured to (1) connect the at least one current source with the transmitter coil arrangement to build up a connecting secondary electromagnetic field, and (2) disconnect the at least one current source from the transmitter coil arrangement to build up a disconnecting secondary electromagnetic field; and a receiver arrangement comprising at least one receiver coil; wherein the airborne electromagnetic survey system further comprises an additional transmitter coil arrangement and a switch arrangement controller, the switch arrangement controller configured to disconnect the at least one current source from the transmitter coil arrangement and the additional transmitter coil arrangement at substantially a same ti

Abstract: An airborne electromagnetic survey system includes: a transmitter arrangement comprising at least one current source configured to connect with a transmitter coil arrangement, and a switch arrangement between the at least one current source and the transmitter coil arrangement, the switch arrangement configured to (1) connect the at least one current source with the transmitter coil arrangement to build up a connecting secondary electromagnetic field, and (2) disconnect the at least one current source from the transmitter coil arrangement to build up a disconnecting secondary electromagnetic field; and a receiver arrangement comprising at least one receiver coil; wherein the airborne electromagnetic survey system further comprises an additional transmitter coil arrangement and a switch arrangement controller, the switch arrangement controller configured to disconnect the at least one current source from the transmitter coil arrangement and the additional transmitter coil arrangement at substantially a same ti

Abstract: An airborne electromagnetic survey system includes: a transmitter arrangement comprising at least one current source configured to connect with a transmitter coil arrangement, and a switch arrangement between the at least one current source and the transmitter coil arrangement, the switch arrangement configured to (1) connect the at least one current source with the transmitter coil arrangement to build up a connecting secondary electromagnetic field, and (2) disconnect the at least one current source from the transmitter coil arrangement to build up a disconnecting secondary electromagnetic field; and a receiver arrangement comprising at least one receiver coil; wherein the airborne electromagnetic survey system further comprises an additional transmitter coil arrangement and a switch arrangement controller, the switch arrangement controller configured to disconnect the at least one current source from the transmitter coil arrangement and the additional transmitter coil arrangement at substantially a same ti

Abstract: An airborne electromagnetic survey system for geophysical prospecting comprising: a frame with a frame front section opposite a frame tail section, the frame configured to be lifted and towed by an aircraft via a tow arrangement during survey operation, the frame configured to support a transmitter coil configured to transmit an magnetic moment, wherein the frame comprises multiple frame segments, at least one of the frame segments comprising a first connection and a second connection for connecting to another one of the frame segments, a structural support providing a rigid structure between the first and second connections, and a frame segment surface providing the frame segment with an aerodynamic profile, wherein the aerodynamic profile is configured to provide aerodynamic properties to the frame, and wherein when the frame is towed by the aircraft, the frame has substantially a fixed frame shape and is substantially in a fixed operational orientation.

Abstract: An airborne electromagnetic survey system for geophysical prospecting comprising: a frame with a frame front section opposite a frame tail section, the frame configured to be lifted and towed by an aircraft via a tow arrangement during survey operation, the frame configured to support a transmitter coil configured to transmit an magnetic moment, wherein the frame comprises multiple frame segments, at least one of the frame segments comprising a first connection and a second connection for connecting to another one of the frame segments, a structural support providing a rigid structure between the first and second connections, and a frame segment surface providing the frame segment with an aerodynamic profile, wherein the aerodynamic profile is configured to provide aerodynamic properties to the frame, and wherein when the frame is towed by the aircraft, the frame has substantially a fixed frame shape and is substantially in a fixed operational orientation.