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Radio Broadcast Technical Consulting and Sales
 10032 Island Drive, Brainerd, MN  56401

  We are a dealer for
Nott Ltd.

Elevated Ground Systems
for AM Broadcast

When building a new AM antenna system or when repairing/replacing an existing one, an elevated ground system is an excellent choice as compared to the traditional 120 buried copper ground radials.

This diagram shows a six-wire elevated ground system around an AM tower.  Each ground radial is about 470 feet at 540 KHz or about 150 feet at 1700 KHz.  To save money, clients can furnish their own support poles, about 18 feet in height. 

A typical kit of parts, minus the support poles, runs $5300 for a station on 1400 kHz.

Nott has been making antenna system parts since 1982 using the highest quality materials coupled with high-tech welding techniques. 

Easily Inspected
Less Expensive
Performs equal to or better than a buried system
Can be installed over an existing buried ground system
Requires less labor and material to install
Fully complies with FCC requirements
Can utilize the land below the system for farming, storage buildings, etc.
FREE system design with purchase of an elevated radial system
Details of the base plates used at the bottom of the base insulator to anchor and connect the six elevated ground wires.
3-wire Copperweld wire is used for the ground radials.  Copperweld offers exceptional strength and high electrical conductivity. 

Bimetallic Products′ copper-clad steel is a composite in which a concentric copper cladding is metallurgically bonded to a steel core,. This is accomplished through a continuous, hot, solid-cladding process using pressure rolling for primary bonding. Standard Copperweld® wire is not annealed, making it very springy to deal with. However, Copperweld® ground wire is annealed and handles just like pure copper wire. It can also be silver soldered like pure copper.

Bimetallic Products® offers significant cost-savings over solid copper wire. When specifying new equipment or replacing existing solid copper, specifiers should consider that CCS combines the strength of steel with the conductivity of copper. In general, it cost less, weighs less, and handles and installs just as easily as copper.

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page last edited 12/10/2011