July 2017
Intermediate to advanced
1988 pages
112h 28m
English
Content preview from National Association of Broadcasters Engineering Handbook, 11th EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter7.10
AM Diplexing, Combining, and Filter System Design
Introduction
Combining transmitter sites of AM radio stations, commonly referred to as diplexing, has become an increasingly popular trend in recent times. Factors that militate toward multi-frequency operation at transmitter sites include the economy to be realized through savings in antenna tower and land costs, the difficulty with which new transmitter sites must be approved by regulatory authorities other than the FCC, and the common ownership of multiple stations serving the same markets.
The history of combining AM transmitter sites goes as far back as the 1930s. It was not uncommon to have stations share antenna ...
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