WCMN (AM)
| Frequency | 1280 kHz | 
|---|---|
| Branding | Noti Uno 1280 | 
| Programming | |
| Format | News | 
| Affiliations | CNN Radio iHeartMedia | 
| Ownership | |
| Owner | 
 | 
| WUNO, WPRP, WORA, WNEL, WFID, WZAR, WFDT, WPRM-FM, WIVA-FM, WRIO, WTOK-FM, WCMN-FM, WMIO | |
| History | |
| First air date | September 15, 1947 | 
| Call sign meaning | Carlos Esteva Mercedes Esteva Norte (station founders and station location on the island) | 
| Technical information | |
| Licensing authority | FCC | 
| Facility ID | 8792 | 
| Class | B | 
| Power | 5,000 watts day 1,000 watts night | 
| Transmitter coordinates | 18°28′52.00″N 66°41′16.00″W / 18.4811111°N 66.6877778°W | 
| Translator(s) | 92.1 W221ER (Arecibo) | 
| Links | |
| Public license information  | |
| Webcast | Listen live (via iHeartRadio) | 
| Website | http://notiuno.com | 
WCMN (1280 kHz, "Noti Uno Norte") is an AM radio station broadcasting a news radio format. Licensed to Arecibo, Puerto Rico. The station is currently owned by Caribbean Broadcasting Corporation. The station is shared with translator station W221ER 92.1 FM also located in Arecibo.