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Radio: More Than Just Noise

Radio, the often-overlooked medium, has been a constant companion for over a century. While its format may have evolved, radio continues to captivate audiences with its unique blend of news, music, and entertainment.

The Birth of Commercial Radio

The invention of radio is often attributed to Italian inventor Guglielmo Marconi, who successfully transmitted and received radio signals in 1895. However, it took several more decades for commercial radio to emerge. The first commercial radio station in the United States was KDKA in Pittsburgh, which began broadcasting in 1920.

AM vs. FM: The Great Radio Debate

Radio comes in two primary formats: AM (Amplitude Modulated) and FM (Frequency Modulated). AM radio has been around since the early days of broadcasting, while FM gained popularity in the 1970s. FM generally offers better sound quality and is less susceptible to interference, making it the preferred choice for many listeners.

The Public Inspection File: A Window into Station Operations

All broadcast radio stations are required to maintain a public inspection file. This file contains important information about the station, such as its license, ownership, programming, and community involvement. The public inspection file is available for review upon request, providing listeners with transparency and accountability.

EAS Tests: Those Annoying Alerts

You’ve probably heard those emergency alert system (EAS) tests interrupting your favorite radio show. These tests are required by the Federal Communications Commission (FCC) to ensure that broadcasters are prepared to disseminate important emergency information to the public.

Local vs. Regional Stations

While you may think your favorite radio station is based in your city, it might actually be licensed to a nearby community. This is because radio signals can travel long distances, and stations often serve multiple areas. You can usually find the station’s city of license in the legal ID that is broadcast at the top of each hour.

The Illusion of Live Radio

Many radio shows that seem live are actually pre-recorded. This technique, known as voice tracking, allows stations to use the same programming across multiple markets. While voice tracking can save stations money, it can also create a sense of detachment from listeners.

The Enduring Appeal of Radio

Despite the rise of digital music and streaming services, radio remains a popular medium. Whether you enjoy listening to news, music, or talk shows, radio offers a convenient and accessible way to stay informed and entertained.

As we celebrate over a century of radio broadcasting, it’s clear that this timeless medium continues to evolve and adapt to changing technology and listener preferences. Whether you’re a longtime radio enthusiast or just discovering the magic of this medium, there’s something for everyone to enjoy.

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