The high-performance Easat EA5325 Primary Surveillance shaped reflector radar antenna is designed to provide local or terminal area coverage, using a modified cosec2 elevation pattern to in excess of 40º elevation angle.

The antenna is suitable for worldwide deployment and offers extreme versatility, being capable of operating with a co-mounted MSSR without the need for a adome, even in harsh icing conditions. This antenna can be supplied with single or dual motor drives, and a variety of encoder and rotary joint options, including Inductosyn®.

The antenna operates at S-band (2.7-2.9 GHz) and provides a dual-beam receive capability to enhance high-angle performance, whilst minimising short range ground returns.

The two beams point at different elevation angles, the main beam being a high-power transmit and receive beam, with the auxiliary beam used on receive only. Switchable polarisation is provided as standard using a rotating polariser. In circular polarisation mode, a weather channel (receive only) is provided on both beams, which can be optionally selected via a fast (40 ns) PIN diode switch, or alternatively provided with separate rotating joint channels. The antenna offers 34 dB of gain as standard, an industry-leading performance given the high back-angle coverage provided.