Dave has a very quick look impromptu look at the Australian Square Kilometre Array (SKA) Phase Array Feed Prototype receiver
Photos HERE
Design of the Phase Array Feed:
http://www.atnf.csiro.au/projects/mira/tech_session3_SH.pdf
http://www.atnf.csiro.au/research/conferences/Parkes50th/RobertBraun.pdf
NOTE: This is most definitely not up to my usual standard for content or quality, so don’t expect much, it is what it is.
Podcast: Download