A variable inclination continuous transverse stub, VICTS, antenna, comprising: a first conductive plate structure having a first surface; a second conductive plate structure disposed in a spaced relationship relative to the first conductive plate structure, the second conductive plate structure having a second surface quasi-parallel to the first surface, wherein a main transmission line of the antenna is formed between the first and second conductive plate structures; a relative rotation apparatus operative to impart relative rotational movement between the first conductive plate structure and the second conductive plate structure; a radio frequency, RF, feed structure arranged relative to the first and second conductive plates; a first group (104, 106) of continuous transverse stub, CTS, radiators arranged on the first surface, each CTS radiator of the first group comprising a first opening (101a, 101b) in the first conductive plate configured to couple the main transmission line to a free space, the first opening for each CTS radiator of the first group having a same first width; a second group (102, 104) of CTS radiators arranged on the first surface, each CTS radiator of the second group comprising a second opening (101, 101a) in the first conductive plate configured to couple the main transmission line to the free space, the second opening for each CTS radiator of the second group having a same second width, wherein the first width is different from the second width, and one of the first group of CTS radiators or the second group of CTS radiators is arranged closer to the RF feed structure than the other of the first group of CTS radiators or the second group of CTS radiators. a first conductive plate structure having a first surface; a second conductive plate structure disposed in a spaced relationship relative to the first conductive plate structure, the second conductive plate structure having a second surface quasi-parallel to the first surface, wherein a main transmission line of the antenna is formed between the first and second conductive plate structures; a relative rotation apparatus operative to impart relative rotational movement between the first conductive plate structure and the second conductive plate structure; a radio frequency, RF, feed structure arranged relative to the first and second conductive plates; a first group (104, 106) of continuous transverse stub, CTS, radiators arranged on the first surface, each CTS radiator of the first group comprising a first opening (101a, 101b) in the first conductive plate configured to couple the main transmission line to a free space, the first opening for each CTS radiator of the first group having a same first width; a second group (102, 104) of CTS radiators arranged on the first surface, each CTS radiator of the second group comprising a second opening (101, 101a) in the first conductive plate configured to couple the main transmission line to the free space, the second opening for each CTS radiator of the second group having a same second width, wherein the first width is different from the second width, and one of the first group of CTS radiators or the second group of CTS radiators is arranged closer to the RF feed structure than the other of the first group of CTS radiators or the second group of CTS radiators.