Antenna apparatus (100; 200) having a two-dimensionally adjustable radiation characteristic, having: a supply signal provision device configured to provide a first, second, third and fourth electrical supply signal (D1, D2, D3, D4), which, independently of one another and individually, are variable in amplitude and/or phase; wherein the electrical supply signals (D1, D2, D3, D4) are coherent in respect of one another and have phases relative to one another that are adapted to set the adjustable radiation characteristic of the antenna apparatus (100; 200), the phases being adaptable by means of a supply signal adaptation device; a first supply section (110; 210) having a first multiplicity of first branching devices (150-i), wherein a first supply connection, which is arranged at a first end of the first supply section (110; 210), can be used to supply the first electrical supply signal to the first supply section (110; 210), wherein a second supply connection, which is arranged at a second end of the first supply section (110; 210), can be used to supply the second electrical supply signal to the first supply section (110; 210); a second supply section (120; 220) having a second multiplicity of second branching devices (151-i), wherein a third supply connection at a first end of the second supply section (120; 220) can be used to supply the third electrical supply signal to the second supply section (120; 220), wherein a fourth supply connection at a second end of the first supply section (110; 210) can be used to supply the fourth electrical supply signal to the second supply section (120; 220); and a third multiplicity of antenna columns (140-i); wherein each antenna column (140-i) has a respective fourth multiplicity of electrically connected antenna elements (142-ij), wherein the antenna columns (140-i) are each electrically coupled in between one of the first branching devices (150-i) of the first supply section (110; 210) and one of the second branching devices (151-i) of the second supply section (120; 220); wherein each of the first branching devices (150-i) can be used to route signals from the first supply section (110; 210) to the respective antenna column (140-i) coupled to the first branching device (150-i) to excite the antenna elements (142-ij) of the respective antenna column (140-i) to radiate electromagnetic waves having the set radiation characteristic; and wherein each of the second branching devices (151-i) can be used to route signals from the second supply section (110; 210) to the respective antenna column (140-i) coupled to the second branching device (151-i) to excite the antenna elements (142-ij) of the respective antenna column (140-i) to radiate electromagnetic waves having the set radiation characteristic. a supply signal provision device configured to provide a first, second, third and fourth electrical supply signal (D1, D2, D3, D4), which, independently of one another and individually, are variable in amplitude and/or phase; wherein the electrical supply signals (D1, D2, D3, D4) are coherent in respect of one another and have phases relative to one another that are adapted to set the adjustable radiation characteristic of the antenna apparatus (100; 200), the phases being adaptable by means of a supply signal adaptation device; a first supply section (110; 210) having a first multiplicity of first branching devices (150-i), wherein a first supply connection, which is arranged at a first end of the first supply section (110; 210), can be used to supply the first electrical supply signal to the first supply section (110; 210), wherein a second supply connection, which is arranged at a second end of the first supply section (110; 210), can be used to supply the second electrical supply signal to the first supply section (110; 210); a second supply section (120; 220) having a second multiplicity of second branching devices (151-i), wherein a third supply connection at a first end of the second supply section (120; 220) can be used to supply the third electrical supply signal to the second supply section (120; 220), wherein a fourth supply connection at a second end of the first supply section (110; 210) can be used to supply the fourth electrical supply signal to the second supply section (120; 220); and a third multiplicity of antenna columns (140-i); wherein each antenna column (140-i) has a respective fourth multiplicity of electrically connected antenna elements (142-ij), wherein the antenna columns (140-i) are each electrically coupled in between one of the first branching devices (150-i) of the first supply section (110; 210) and one of the second branching devices (151-i) of the second supply section (120; 220); wherein each of the first branching devices (150-i) can be used to route signals from the first supply section (110; 210) to the respective antenna column (140-i) coupled to the first branching device (150-i) to excite the antenna elements (142-ij) of the respective antenna column (140-i) to radiate electromagnetic waves having the set radiation characteristic; and wherein each of the second branching devices (151-i) can be used to route signals from the second supply section (110; 210) to the respective antenna column (140-i) coupled to the second branching device (151-i) to excite the antenna elements (142-ij) of the respective antenna column (140-i) to radiate electromagnetic waves having the set radiation characteristic.