Abstract: Forty-five aircraft electrical soundings were flown to an altitude of 3 km MSL over West Plains, Mo., during the summer of 1963. Measurements were taken of the vertical electrical potential gradient and polar conductivities. ...

Abstract: No abstract available.

Abstract: A high-volume airborne precipitation collector is described. The device, installed in the nose of a twin-engine aircraft, has a 30-cm diameter intake that extends ahead of the aircraft nose. Both air and rain enter the ...