Rhombic antenna design
Author | : |
Publisher | : |
Total Pages | : 111 |
Release | : 1941 |
Genre | : |
ISBN | : |
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Author | : |
Publisher | : |
Total Pages | : 111 |
Release | : 1941 |
Genre | : |
ISBN | : |
Author | : Angel M. Martin-Caloto |
Publisher | : |
Total Pages | : 148 |
Release | : 1959 |
Genre | : Radio |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 0 |
Release | : 1956 |
Genre | : Radio |
ISBN | : |
Author | : E. L. Kilpatrick |
Publisher | : |
Total Pages | : 128 |
Release | : 1969 |
Genre | : Antenna arrays |
ISBN | : |
Antenna with high gains at low elevation angles are important to long distance HF communication. With application to an 11,070-km circuit between Washington, D.C. and Asmara, Ethiopia, in view, a design for an antenna consisting of four rhombic elements in a nested-tandem configuration was proposed. The overall length of the antenna was 442.8 m (1452.6 ft), the maximum height, 73.2 m (240 ft). Its nominal operating frequency range was from 6 to 19 MHz. Power gain was computed as a function of frequency, elevation angle, and azimuthal direction. Scaled-model measurements, using 200:1 scaling factor, were carried out to verify the computations. Calculations showed the maximum gain to be 26.5 dB at 14.5 MHz at an angle of about 4.5°. The computed performance deteriorated markedly above 18 MHz. The measurements confirmed the computations at the lower frequencies and showed the deterioration in the performance near the upper frequency end to begin at a lower frequency than computer.
Author | : L. L. Proctor |
Publisher | : |
Total Pages | : 108 |
Release | : 1967 |
Genre | : Antenna arrays |
ISBN | : |
Author | : Thomas A. Milligan |
Publisher | : John Wiley & Sons |
Total Pages | : 632 |
Release | : 2005-07-08 |
Genre | : Technology & Engineering |
ISBN | : 0471720607 |
A practical book written for engineers who design and use antennas The author has many years of hands on experience designing antennas that were used in such applications as the Venus and Mars missions of NASA The book covers all important topics of modern antenna design for communications Numerical methods will be included but only as much as are needed for practical applications
Author | : Augustus Everdell Harper |
Publisher | : |
Total Pages | : 146 |
Release | : 1941 |
Genre | : Radio |
ISBN | : |
Author | : Robert Eugene Heller |
Publisher | : |
Total Pages | : 104 |
Release | : 1946 |
Genre | : Radio |
ISBN | : |
Author | : Meng Leang Kan |
Publisher | : |
Total Pages | : 103 |
Release | : 1976 |
Genre | : |
ISBN | : |
Author | : Alan W. Rudge |
Publisher | : IET |
Total Pages | : 972 |
Release | : 1982 |
Genre | : Science |
ISBN | : 9780906048870 |
Good,No Highlights,No Markup,all pages are intact, Slight Shelfwear,may have the corners slightly dented, may have slight color changes/slightly damaged spine.