Angular sensor, - wherein the angular sensor has a rotating element), - wherein the angular sensor has at least one first transceiving antenna (14, 14') - wherein the angular sensor has a base body, - wherein the rotating element is mounted in the base body such that the rotating element can be rotated about an axis of rotation, wherein - the angular sensor has a first excitation circuit which generates a first excitation signal, - the angular sensor has a first divider circuit which guides the first excitation signal generated by the first excitation circuit partially as a first outgoing signal to a first transceiving antenna fixed to the base body and partially as a first base signal to an evaluation circuit of the angular sensor, - the angular sensor has a first waveguide which circulates in an annular manner about the axis of rotation, - on the basis of the first outgoing signal supplied to it, the first transceiving antenna emits a first electromagnetic wave (15a, 15b) into the first waveguide which then propagates in the first waveguide in both directions, - the rotating element has a first termination element which protrudes into the first waveguide, - the first termination element is designed so as to be reflective on at least one side in such a way that the incoming first electromagnetic wave is reflected on the reflective side of the first termination element and returns to the first transceiving antenna in the first waveguide, - the reflected first electromagnetic wave is received by the first transceiving antenna and a first receiving signal generated thereby is supplied to the evaluation circuit and - the evaluation circuit determines a first position of rotation (α) of the rotating element in relation to a reference position of rotation (α0) by evaluating the first base signal supplied to it and the first receiving signal in a first resolution region (β). - wherein the angular sensor has a rotating element), - wherein the angular sensor has at least one first transceiving antenna (14, 14') - wherein the angular sensor has a base body, - wherein the rotating element is mounted in the base body such that the rotating element can be rotated about an axis of rotation, - the angular sensor has a first excitation circuit which generates a first excitation signal, - the angular sensor has a first divider circuit which guides the first excitation signal generated by the first excitation circuit partially as a first outgoing signal to a first transceiving antenna fixed to the base body and partially as a first base signal to an evaluation circuit of the angular sensor, - the angular sensor has a first waveguide which circulates in an annular manner about the axis of rotation, - on the basis of the first outgoing signal supplied to it, the first transceiving antenna emits a first electromagnetic wave (15a, 15b) into the first waveguide which then propagates in the first waveguide in both directions, - the rotating element has a first termination element which protrudes into the first waveguide, - the first termination element is designed so as to be reflective on at least one side in such a way that the incoming first electromagnetic wave is reflected on the reflective side of the first termination element and returns to the first transceiving antenna in the first waveguide, - the reflected first electromagnetic wave is received by the first transceiving antenna and a first receiving signal generated thereby is supplied to the evaluation circuit and - the evaluation circuit determines a first position of rotation (α) of the rotating element in relation to a reference position of rotation (α0) by evaluating the first base signal supplied to it and the first receiving signal in a first resolution region (β).