WAMJ is a radio station

Radio station

Radio broadcasting is a one-way wireless transmission over radio waves intended to reach a wide audience. Stations can be linked in radio networks to broadcast a common radio format, either in broadcast syndication or simulcast or both...

 broadcasting an Urban AC format. Licensed to the suburb of Roswell, Georgia

Roswell, Georgia

Roswell is a city located in northern Fulton County; it is a suburb of northern Atlanta, Georgia, United States. The 2010 Census population was 88,346. It is the eighth largest city in Georgia...

, it serves the Atlanta metropolitan area. It first began broadcasting in 1997

1997 in radio

The year 1997 in radio involved some significant events.-Events:*February 15 - After 5 years of Alternative Rock, WDRE flips into Rhythmic AC as Philly 103.9, the station, began to play Pearl Jam's Alive while crowding the live stage....

 under the call sign WTHA. The station is currently owned by Radio One, via licensee ROA Licenses, LLC

Limited liability company

A limited liability company is a flexible form of enterprise that blends elements of partnership and corporate structures. It is a legal form of company that provides limited liability to its owners in the vast majority of United States jurisdictions...

 (Radio One Atlanta).

The station transmits from atop 1050 Crown Pointe Plaza, a high-rise building just barely on the Dunwoody side of the Perimeter Center

Perimeter Center

Perimeter Center is a neighborhood and major edge city in metro Atlanta, Georgia, United States. It is centered on Perimeter Mall, the nucleus around which it has formed. Perimeter Center is located north-northeast of Atlanta proper, and lies within two cities - Dunwoody and Sandy Springs...

 edge city

Edge city

"Edge city" is an American term for a concentration of business, shopping, and entertainment outside a traditional urban area in what had recently been a residential suburb or semi-rural community...

 north of Atlanta.