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Using GPS for Attitude Determination

The determination of body orientation based on information from Global Positioning System is considered. Two algorithms for solving the problem are considered, depending on the initial information. In the first case, differential range measurements for several points of the object are assumed to be known. In the second case, the coordinates of several points of the object are used. The problem is solved using the least squares method in matrix form. A form of the loss function is proposed, which allows one to obtain simplified expressions for orientation angles for an arbitrary arrangement of satellites and antennas. The influence of the number of measurements on the accuracy of calculations in the presence of interference during measurements is estimated