WBIG-FM
| 
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|---|---|
| Broadcast area | Washington metropolitan area | 
| Frequency | 100.3 MHz (HD Radio) | 
| Branding | Big 100 | 
| Programming | |
| Format | Classic rock | 
| Subchannels | HD2: Now and Then (all-Beatles) | 
| Affiliations | Washington Commanders | 
| Ownership | |
| Owner | 
 | 
| WASH, WIHT, WMZQ-FM, WUST, WWDC | |
| History | |
| First air date | 1948 | 
| Former call signs | 
 | 
| Former frequencies | 95.9 MHz (1951–52) | 
| Call sign meaning | "Big" | 
| Technical information | |
| Licensing authority | FCC | 
| Facility ID | 54459 | 
| Class | B | 
| ERP | 
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| HAAT | 149 meters (489 ft) | 
| Transmitter coordinates | 38°53′13.4″N 77°12′1.9″W / 38.887056°N 77.200528°W | 
| Links | |
| Public license information  | |
| Webcast | Listen Live | 
| Website | wbig.iheart.com | 
WBIG-FM (100.3 MHz), branded as Big 100, is a commercial radio station licensed to Washington, D.C. It has a classic rock radio format and is owned by iHeartMedia, Inc. The studios and offices are in Rockville, Maryland.
WBIG-FM has an effective radiated power of 50,000 watts. Its transmitter is off Tower Street in Falls Church, Virginia, unusually within a dense residential neighborhood with single-family housing surrounding it on all sides. Besides a standard analog transmission, WBIG broadcasts using HD Radio technology, and is also available online via iHeartRadio. The station is the official radio partner of the NFL's Washington Commanders.