Abstract

The Stanford microwave interferometer is financed by the U.S. Air Force Office of Scientific Research under contract AF 18(603) -53 and is operated by the Stanford Radio Propagation Laboratory. Some eight persons, working under the direction of Dr. R. N. Bracewell, have carried out the design, construction, and current operation. The equipment is designed primarily for the observation of solar activity, which needs the highest possible resolution in both angle and time. At our wavelength range of 9 to 1 1 cm, the sun is by far the brightest celestial object, and it has also a moderate angular size. These circumstances permit observation with multiple antenna beams pointing in different directions without problems from confusion. These observations are achieved at moderate cost with a

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