by Alex Dunning (CASS)

The Parkes ultra-wideband receiver project aims to produce a single receiver to cover the 0.7 – 4.2 GHz frequency range. CSIRO has produced a feed horn covering this frequency range, which is a major technical challenge in the design of such a wideband system. The image above shows the feed horn undergoing beam pattern measurements in the CSIRO near field anechoic chamber. – Photo by Ray Moncay (CASS).