Kraus-type

The Kraus-type radio telescope design was created by Dr. John D. Kraus (1910–2004).

Kraus-type telescopes are transit instruments, where the flat primary reflects radio light towards the spherical secondary, which focuses it towards a mobile focal carriage. The primary tilts North-South to select any object near the meridian, while the focal carriage moves East-West along railroad ties to track objects near transit.

The following telescopes are Kraus-type.

• Nançay Radio Telescope
• The Big Ear