MEASUREMENT OF DISTANCE BY RADIO WAVES AND ITS APPLICATION TO SURVEY PROBLEMS. PART 1 : INTRODUCTION AND THE TELLUROMETER. PART 2 : HYDROIST AND AERODIST.

Keywords: UNIVERSITY COLLEGE SWANSEA, TELLUROMETER, MEASUREMENT, DISTANCE, RADIO, WAVES, APPLICATIONS, SURVEYS, PROBLEMS, TELLUROMETERS, HYDROIST, AERODIST, INSTRUMENTATION, LAND, SURVEYING, EQUIPMENT, INSTRUMENTS, METHODS, DEVICES, SURVEYORS, HYDROGRAPHY, DUPLEX, ELECTRONICS, AIRCRAFT, SYSTEMS, GEODIMETERS, ACCURACY, USE