WRDA (FM)
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| City | Canton, Georgia |
|---|---|
| Broadcast area | Atlanta metropolitan area |
| Branding | Radio 105.7 |
| Slogan | Atlanta's Alternative |
| Frequency | 105.7 MHz (also on HD Radio) |
| Repeater(s) | WANN-CD/Atlanta (32.25 subchannel) |
| First air date | August 1, 1964 |
| Format |
Alternative rock HD2: Dance radio (Pride Radio feed) HD3: Dance radio (Club Phusion feed) |
| ERP | 20,000 watts |
| HAAT | 238 meters |
| Class | C2 |
| Facility ID | 10698 |
| Transmitter coordinates | 34°03′58.00″N 84°27′15.00″W / 34.0661111°N 84.4541667°W |
| Callsign meaning | RaDio Atlanta |
| Former callsigns | WCHK-FM (1964–93) WGST-FM (1993–2000) WMXV (2000–03) WLCL (2003–05) WWVA-FM (2005–13) |
| Former frequencies | 105.5 MHz (1964–93) |
| Affiliations | iHeartRadio |
| Owner |
iHeartMedia (CC Licenses, LLC) |
| Sister stations | WBZY, WGST, WWPW, WRDG, WUBL |
| Webcast | Listen Live |
| Website | radio1057 |
WRDA (105.7 FM) – branded Radio 105.7 – is a commercial radio station licensed to Canton, Georgia, broadcasting an alternative rock format. Owned by iHeartMedia, WRDA serves the Atlanta metropolitan area. The WRDA studios are located in Atlanta, while the station transmitter resides in the nearby suburb of Marietta. Besides a standard analog transmission, WRDA broadcasts over three HD Radio channels, and is available online via iHeartRadio. WRDA also repeats over the 32.25 digital subchannel of Atlanta television station WANN-CD (29 UHF, 32 PSIP).
From its sign-on in 1964 until 1991, the station was country music WCHK-FM on 105.5 MHz in Canton, Georgia, sister station to WCHK AM. In 1993 owner Cherokee Broadcasting received FCC approval to upgrade to class C2, with a much stronger signal and relocation of their transmitter site from the WTLK-TV 14 (now WPXA-TV) tower on Bear Mountain (near Lake Arrowhead southwest of Waleska) south-southeastward toward Atlanta. (This large broadcast tower in Holly Springs is next to Interstate 575 and old Georgia 5 at Rabbit Hill Road, and now only has mobile phone base stations about halfway up on it.) This change also required a frequency shift of one channel to 105.7. Subsequently, this also allowed a later move by WMAX-FM (now Regional Mexican WBZY-FM "El Patrón") on 105.3 from Carrollton east towards Atlanta, also having changed channels from 105.5. WCHK remained under local management for a little over a year afterward, briefly as "North Metro's K-105" then as "Country 105.7", and finally as "Atlanta's Classic Country 105.7", before owner Chuck McClure leased the station to iHeartMedia (which also owns 105.3), then known as Clear Channel Communications.
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