CKDO
| Broadcast area | Greater Toronto Area |
|---|---|
| Frequency | 1580 kHz (AM) |
| Branding | 107.7 FM & 1580 AM CKDO |
| Programming | |
| Format | Classic hits–oldies |
| Ownership | |
| Owner | Durham Radio Inc. |
| History | |
First air date | October 5, 1946 |
Former frequencies |
|
Call sign meaning | "Durham Ontario County" (broadcast area) |
| Technical information | |
Licensing authority | CRTC |
| Class | A (both AM and FM) |
| Power | 10,000 watts (AM) |
| ERP | 580 watts - 2,000 watts (maximum) (FM) |
| HAAT | 86 meters (282 ft) (FM) |
| Translator(s) | CKDO-FM-1 107.7 Durham |
| Repeater(s) | 95.9 CJKX-FM-HD3 Oshawa |
| Links | |
| Website | www |
CKDO (1580 kHz) is a commercial AM radio station in Oshawa, Ontario, Canada, serving the eastern suburbs of the Greater Toronto Area. The station airs a classic hits–oldies format and is owned by Durham Radio Inc. CKDO is one of only two radio stations in Canada that broadcast on 1580 kHz. The other is CBPK, a 50-watt weather information station in Revelstoke, British Columbia.
CKDO is powered at 10,000 watts, using a directional antenna with a two-tower array. It is a clear channel, Class A station. The transmitter is on Courtice Road in Clarington. Programming is also heard on FM rebroadcaster CKDO-FM-1 at 107.7 MHz and on 95.9 CJKX-FM-HD3.