Interference with directional arrays

Article Abstract:

The installation of new radio transmitting towers adversely affects the coverage of existing radio transmissions. The party constructing the new radio towers is required to receive authorization from the Federal Communications Commission (FCC). The newcomers are obliged to comply with the Commission's policy which requires them to correct any interference problems. Engineers can install detuning devices in order to check the signal interference.

Wireless communications, Observations, Wireless communication systems, Radio transmitters

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Directory of manufacturers & distributors

Article Abstract:

An alphabetical guide to manufacturers and wholesalers of automobile stereo equipment in the US is presented. Each entry includes mailing address and telephone information. World Wide Web URL's are provided for several of the entries.

Automobile equipment and supplies industry, Automotive parts industry, Audio equipment industry, Illustration, Directory, Automotive sound systems, Automobile audio systems

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Le mot juste

Article Abstract:

The use and misuse of the words 'just' and 'only' are discussed. The meaning of each word can vary depending on its placement in a sentence.

Usage, Column, English language

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