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P292 CALIBRATION OF MULTICOMPONENT SENSORS Summary 1 During the processing sequence for multicomponent data a very initial phase consists in finding the actual orientations of geophones in space as well as converting the horizontal geophones to a common wavelet. This stage is becoming increasingly critical with the advent of the latest generation of geophones able to operate in any orientation on non-gimballed cables. We propose a receiver-consistent method that aims to provide calibrated vertical and horizontal geophones without the need for initial orientations from the field. The effect of the algorithm is demonstrated on real data. Principle and notations The