WCMN
City of license	Arecibo, Puerto Rico
Branding	Noti Uno 1280
Frequency	1280 kHz
Format	News
Power	5,000 watts day 1,000 watts night
Class	B
Facility ID	8792
Transmitter coordinates	18°28′52.00″N66°41′16.00″W
Affiliations	CNN Radio
Owner	Uno Radio Group / Caribbean Broadcasting Corporation
Sister stations	WUNO, WPRP, WORA
Website	http://notiuno.com

WCMN (1280 AM, "Noti Uno Norte") is a radio station broadcasting a news radio format. Licensed to Arecibo, Puerto Rico. The station is currently owned by Caribbean Broadcasting Corporation.[1]