Radio broadcasting has been used in the United States since the early 1920s to distribute news and entertainment to a national audience. In 1923, 1 percent...

In the United States, the Citizens Band Radio Service (CBRS), commonly called citizens band radio (CB radio), is one of several personal radio services...

public radio have operated in the United States. The lists of radio stations in the US are organized in a number of ways; some of them are the following:...

In the United States, amateur radio licensing is governed by the Federal Communications Commission (FCC). Licenses to operate amateur stations for personal...

The United States of America is a federal republic consisting of 50 states, a federal district (Washington, D.C., the capital city of the United States)...

The early history of radio is the history of technology that produces and uses radio instruments that use radio waves. Within the timeline of radio, many...

long been a popular genre of comedy in the US, initially on radio in the 1920s, and then on television beginning in the 1940s. A sitcom is defined as a television...

In the United States, time is divided into nine standard time zones covering the states, territories and other US possessions, with most of the country...

The United States of America (USA or U.S.A.), commonly known as the United States (US or U.S.) or America, is a country primarily located in North America...

The United States has a racially and ethnically diverse population. At the federal level, race and ethnicity have been categorized separately. The most...