A radar, communication, discovery and networking system is disclosed. The system utilizes a parallel plate waveguide simulator in combination with a circular array of Balanced Antipodal Vivaldi Antenna elements to support very broad bandwidth operations utilizing a low-profile aperture. It is contemplated that such configurations may be applied to linear arrays (i.e., with no curvature) as well. In addition, the antenna arrays may form multiple rows to resemble a planar antenna. The antenna system in accordance with the present disclosure may be installed on a size-constrained platform and utilized as a common shared asset aperture, providing multifunctional, multi-beam support to facilitate multiband communications.
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