Abstract: A multiband reception antenna enables the combined reception of circularly polarized satellite radio signals from at least one satellite radio service which emits with circular polarization and of terrestrially emitted radio signals. The multiband reception antenna comprises at least one satellite reception antenna with a ring line emitter and a plurality of vertical emitters are connected to the ring line emitter over the circumference of the ring line emitter. Furthermore, a monopole is provided, with a monopole connection point formed at the lower end thereof.

Abstract: An electric emitter for vertically polarised wireless signals for a communication service with a narrow frequency bandwidth around a frequency fo with free-space wavelength ?o in the gigahertz range, comprising at least one substantially horizontally oriented conductor loop arranged above a conductive base area, with an emitter infeed point for electromagnetic excitation of the loop relative to the base area. The loop is formed by a circularly closed ring conductor running in a substantially horizontal plane with a height h of less than ?o/6 over the base area. Distributed over the periphery of the ring conductor are at least three vertical emitters electromagnetically coupled to the ring conductor coupling points and running to the base area, wherein at least two of the emitters are electromagnetically coupled to the base area at earth terminal points, and a vertical emitter is excited via the emitter infeed point at the lower end thereof.

Abstract: An antenna for receiving circularly polarized satellite radio signals has a conductive base surface and at least one a conductor loop oriented horizontally above the base surface by a height h. The conductor loop is configured as a polygonal or circular closed ring line radiator. The ring line radiator forms a resonant structure that is electrically excited so that the current distribution of a running line wave in a single rotation direction occurs on the ring line, wherein the phase difference of which, over one revolution, amounts to essentially 2?. A vertical radiator extends between the conductive base surface and the circumference of the ring line radiator. The height h is smaller than ? of the free-space wavelength ?.

Abstract: An antenna for receiving circularly polarized satellite radio signals has a conductive base surface and at least one a conductor loop oriented horizontally above the base surface by a height h. The conductor loop is configured as a polygonal or circular closed ring line radiator. The ring line radiator forms a resonant structure that is electrically excited so that the current distribution of a running line wave in a single rotation direction occurs on the ring line, wherein the phase difference of which, over one revolution, amounts to essentially 2?. A vertical radiator extends between the conductive base surface and the circumference of the ring line radiator. The height h is smaller than ? of the free-space wavelength ?.

Abstract: A high-frequency phase shifter for varying the phase between its high-frequency input signal and its output signal by the transmission phase ?, consisting of a two-port network which is symmetrical in relation to input and output and which with respect to its high-frequency properties consists of three two-terminal networks consisting of low-loss reactances, wherein at least one of the two-terminal networks is arranged in a series circuit as a two-terminal network in series with one of the connecting ports and at least one of the two-terminal networks is arranged in a parallel circuit as a two-terminal network in parallel with the two-port earth, so that a symmetrical T-circuit or a symmetrical ? circuit is provided.

Abstract: An antenna for receiving circularly polarized satellite radio signals has a conductive base surface and at least one a conductor loop oriented horizontally above the base surface by a height h. The conductor loop is configured as a polygonal or circular closed ring line radiator. The ring line radiator forms a resonant structure that is electrically excited so that the current distribution of a running line wave in a single rotation direction occurs on the ring line, wherein the phase difference of which, over one revolution, amounts to essentially 2?. A vertical radiator extends between the conductive base surface and the circumference of the ring line radiator. The height h is smaller than ? of the free-space wavelength ?.

Abstract: An antenna for receiving circularly polarized satellite radio signals has a conductive base surface and at least one a conductor loop oriented horizontally above the base surface by a height h. The conductor loop is configured as a polygonal or circular closed ring line radiator. The ring line radiator forms a resonant structure that is electrically excited so that the current distribution of a running line wave in a single rotation direction occurs on the ring line, wherein the phase difference of which, over one revolution, amounts to essentially 2?. A vertical radiator extends between the conductive base surface and the circumference of the ring line radiator. The height h is smaller than ? of the free-space wavelength ?.

Abstract: A high-frequency phase shifter 1 for varying the phase between its high-frequency input signal and its output signal by the transmission phase ?, consisting of a two-port network 2 which is symmetrical in relation to input and output and which with respect to its high-frequency properties consists of three two-terminal networks 5 consisting of low-loss reactances 8, wherein at least one of the two-terminal networks 5 is arranged in a series circuit as a two-terminal network 6 in series with one of the connecting ports 23 and at least one of the two-terminal networks 5 is arranged in a parallel circuit as a two-terminal network 7 in parallel with the two-port earth 9, so that a symmetrical T-circuit 24 or a symmetrical ? circuit 25 is provided.