Feasiblility of Using a Simple Antenna Structure at Fort Huachuca for Skywave Communications with the East Coast.
ARMY COMMUNICATIONS-ELECTRONICS ENGINEERING INSTALLATION AGENCY FORT HUACHUCA ARIZ
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The study investigates the feasibility of using a simple high frequency antenna structure at Fort Huachuca to provide skywave coverage of desired locations along the East Coast of the United States of America. Three antenna types are considered The sloping vee the vertical half-rhombic and the horizontal rhombic antenna. All but the horizontal rhombic antenna can be classified as field deployable or transportable structures. The sloping vee antenna, which is the standard antenna for the ANTSC-38B radio terminal, is found to be inadequate due to low power gain and poor directivity. The vertical half-rhombic antenna, which embodies the desirable feature of simplicity in design, is predicted to most nearly meet military standards for 12A9B service during the period 1976 through 1982 when used in conjunction with the ANTSC-38B radio equipment. The horizontal rhombic antenna is found to have too narrow a radiation pattern, especially at the higher frequencies, to provide adequate coverage over the East Coast. A typical field lay-out of a cosite full-duplex radio terminal is shown using magnetic dipole arrays for space diversity reception.
- Electrical and Electronic Equipment
- Radio Communications