The design of the DASI was very similar to that of the VSA and the CBI. The electronic equipment behind the CBI and DASI were actually identical as were the 26–36 GHz frequencies operated at. However the CBI was designed for smaller angular scales, so it had a greater resolution over a smaller area of the sky, and so had 0.9m dishes instead of DASI's 20 cm horns. The VSA was also similar in concept and operated at the same frequency, but operated at smallerangular resolutions of 0.2-3°.
