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.

Cassegrain antenna system 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