For this box you need separate coax cables from the horizontal and vertical plane with exact the same length. Four options can be realized:
1. Vertical polarisation with the cable of the vertical plane of the Yagi
2. Horizontal polarisation with the cable of the horizontal plane of the Yagi
3. Right hand circular polarisation ( RHCP ): Horizontal plane to connector 1, vertical to connector 2, to station connector 3
4. Left hand circular polarisation ( LHCP ): Horizontal plane to connector 2, vertical to connector 1, to station connector 3
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Следва моята реализация и резултатите от измерванията с VNWA, които показват, че вместо 90 градуса се е получило дефазиране между двете антени 104 градуса и излъчваната пояляризация ще е леко елиптчна