Application of bifocal concept to dual reflectarray configurations for multi-beam satellite antennas in Ka-band

1. Martinez-De-Rioja, E.
2. Encinar, J.A.
3. Pino, A.
4. Gonzalez-Valdes, B.
5. Tienda, C.
6. Hum, S.V.
7. Toso, G.