In the summer of 1991, Terence Meaden, and a team of Japanese scientists had a field under the supervision of electronic equipment, including radar, magnetometers, video with night vision, motion sensors.
Katika majira ya 1991, Terence Meaden, na timu ya wanasayansi Kijapani walikuwa na shamba chini ya Usimamizi wa vifaa vya elektroniki, ikiwa ni pamoja na rada, magnetometers, video na usiku sensorer mwendo.