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Abstract
Planar antennas employing printed circuit techniques are ideally suited for aircraft, spacecraft and mobile-land applications. Keeping these in view, a 12×4-element planar array antenna has been developed. The antenna has a power gain of 19 dB. It has a half power beamwidth of 6° in the H-plane and 20° in the E-plane. The antenna has a bandwidth of 2% and operates in the X-band. The input VSWR is less than 1.9 over the band.
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N.N. Sastry
Sastry, N N: (b. 1945 September 15). Did B.Sc. at Osmania University in 1964. Obtained B.E. degree in Electrical Communication Engineering from the Indian Institute of Science, Bangalore in 1967. Obtained M.Tech, degree in Advanced Electronics in the year 1979 from the Jawaharlal Nehru Technological University, Hyderabad. Worked in the field of Microwave Antennas from 1968 to 1977 at DLRL, Hyderabad. At present engaged in the field of Radar Systems at DLRL, Hyderabad as Scientist ‘D’.