EXPERIMENTAL STUDY OF ACCEPTABLE DISTANCE OF LABORATORY AIRCRAFT FROM THE BASE STATION IN AIRBORNE GRAVITY SURVEY
Schmidt Institute of Physics of the Earth RAS
Journal: Science and technological developments
Keywords: gravimetry, airborne gravimetry, gravity survey, Earth gravity field, airborne gravimetric complex, gravimeter, base line, base station, extended profiles
Аnnotation: The paper studies the features of the navigation support of the aircraft laboratory as applied to the performance of airborne gravimetric measurements. The main purpose of gravimetric measurements from air carriers is to study the gravitational field in remote regions of the planet and, therefore, one of the key parameters is the autonomy of the aircraft. Currently, to provide airborne gravity survey with navigation data, a ground reference base station system is being created. At the same time, the pertinent issue remains the allowable distance from the aircraft laboratory as well as the optimal configuration of their relative position. According to materials obtained by employees of the Schmidt Institute of Physics of the Earth RAS at transcontinental flights, the calculation of the permissible length of baselines for navigation definitions of the required accuracy. A procedure for performing measurements on extended profiles, their subsequent processing, as well as a statistical evaluation of the results obtained are described.