apparatus for use in an electromagnetic aerial geophysical survey system, electromagnetic aerial geophysical survey system and towed aircraft

摘要

b "plane-mounted electromagnetic system" d. towed airplane for use in an electromagnetic geophysical prospecting system, including a transmitting antenna (34) and a power generating device (24) for energizing the antenna. airplane 72, on which a receiving antenna 58 is mounted, may be towed by the towing airplane.