A dual-circular polarization multi-beam receive antenna comprising: a first plurality of splitters to receive a vertical polarization signal from a radiating element, and to divide the vertical polarization signal into a plurality of divided vertical polarization signals; a second plurality of splitters to receive a horizontal polarization signal from the radiating element, and to divide the horizontal polarization signal into a plurality of divided horizontal polarization signals; a plurality of vector generators to adjust the amplitude and phase of the divided vertical polarization signals and the divided horizontal polarization signals to form a plurality of composite signals; and a right-hand circular polarized beam forming network (RHCP BFN) and a left-hand beam forming network (LHCP BFN) to receive the plurality of composite signals and form a plurality of circular polarized beams from the composite signals; wherein each vector generator of the plurality of vector generators is a modified vector generator without a quadrature allpass filter comprising: a first quadrant select for phase inversion on switching to generate a first signal from a divided vertical polarization signal of the divided vertical polarization signals; a second quadrant select for phase inversion on switching to generate a second signal from a divided horizontal polarization signal of the horizontal polarization signals; a first variable gain amplifier to amplify the first signal to form a first amplified signal; a second variable gain amplifier to amplify the second signal to form a second amplified signal; and a combiner to combine the first amplified signal and the second amplified signal to form a composite signal. a first plurality of splitters to receive a vertical polarization signal from a radiating element, and to divide the vertical polarization signal into a plurality of divided vertical polarization signals; a second plurality of splitters to receive a horizontal polarization signal from the radiating element, and to divide the horizontal polarization signal into a plurality of divided horizontal polarization signals; a plurality of vector generators to adjust the amplitude and phase of the divided vertical polarization signals and the divided horizontal polarization signals to form a plurality of composite signals; and a right-hand circular polarized beam forming network (RHCP BFN) and a left-hand beam forming network (LHCP BFN) to receive the plurality of composite signals and form a plurality of circular polarized beams from the composite signals; wherein each vector generator of the plurality of vector generators is a modified vector generator without a quadrature allpass filter comprising: a first quadrant select for phase inversion on switching to generate a first signal from a divided vertical polarization signal of the divided vertical polarization signals; a second quadrant select for phase inversion on switching to generate a second signal from a divided horizontal polarization signal of the horizontal polarization signals; a first variable gain amplifier to amplify the first signal to form a first amplified signal; a second variable gain amplifier to amplify the second signal to form a second amplified signal; and a combiner to combine the first amplified signal and the second amplified signal to form a composite signal. a first quadrant select for phase inversion on switching to generate a first signal from a divided vertical polarization signal of the divided vertical polarization signals; a second quadrant select for phase inversion on switching to generate a second signal from a divided horizontal polarization signal of the horizontal polarization signals; a first variable gain amplifier to amplify the first signal to form a first amplified signal; a second variable gain amplifier to amplify the second signal to form a second amplified signal; and a combiner to combine the first amplified signal and the second amplified signal to form a composite signal.