A Wideband Low-Sidelobe Source Antenna for a VHF Antenna Range
AEROSPACE CORP EL SEGUNDO CA ELECTRONICS RESEARCH LAB
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The RF characteristics of a four-element diagonal array configured to yield low sidelobes, dual circular polarization with low axial ratio and high front-to-back ratio are described. The array was designed for use as source antenna in a VHF test range, where the test antenna is nearly omnidirectional and ground multipath effects are a major problem. To achieve broadband performance, crossed open-sleeve dipoles were used as array elements. The array is capable of operation over a 1.661 band with a VSWR of 21. Keywords include Low Sidelobe Antenna Open Sleeve Dipole VHF Antenna Array.
- Electrical and Electronic Equipment
- Test Facilities, Equipment and Methods
- Radiofrequency Wave Propagation