Mono-blade phase dispersionless antenna

Abstract

A Mono-Blade Antenna is disclosed which operates over many octaves of bandwidth. Electromagnetic waveforms may be transmitted and received with multi-decade bandwidth using: a metal ground plane, a Mono-Blade Antenna element fixed above the ground plane, and a coaxial transmission line feed which is connected to the antenna element and the ground plane. The antenna element has three sections: a throat, a mouth, and a radial tip. The throat is comparatively narrow and serves as the element feed point by being connected to the center conductor of the coaxial cable. The mouth is the mid-section of the antenna element, which is the widest section of the blade. The tip of the blade is formed by an arc of approximately constant radius, which results in a low voltage standing wave ratio.

What is claimed is:  
     
       1. An antenna comprising: 
       a metal ground plane;  
       a Mono-Blade Antenna element fixed above said ground plane, said Mono-Blade Antenna having: a throat which serves as a feed point, a mid-section, which is the Mono-Blade Antenna section's widest point, and a tapered tip which has an arc of a constant radius; and  
       a coaxial transmission line feed which has a central conductor connected to the throat of the antenna element and an outer conductor connected to the metal ground plane.  
     
     
       2. An antenna, as defined in  claim 1 , wherein the throat of the Mono-Blade Antenna element has a height which is at least ten times the Mono-Blade Antenna element's thickness at the feed point. 
     
     
       3. An antenna, as defined in  claim 2 , wherein said Mono-Blade Antenna element has a height of about twenty-two inches. 
     
     
       4. An antenna, as defined in  claim 3 , wherein said Mono-Blade Antenna element's thickness is about 0.1 inches.