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Ka-band Cassegrain Antenna System
The reflector antenna of Cassegrain type is characterised by a high gain and low sidelobes along with a dual-polarisation mode capability. The antenna is equipped with an automatical heating system in order to prevent possible antenna icing.
Fig. 1. Cassegrain antenna system
Antenna Characteristics
| Operating bandwidth, GHz | 0.5 (in Ka-band) |
| Beam type | pencil |
| 3dB beam width, deg | 0.55 |
| Side lobes level, dB | <-25 |
| Polarization | Linear/Dual |
| Polarization isolation, dB | <-40 |
| Gain, dB | >50 |
| VSWR | <1.2 |
| Diameter, m | 1.2 |