XHNNO-FM

XHNNO-FM is a radio station in Naco, Sonora, Mexico, serving Agua Prieta, Sonora, and Douglas, Arizona, United States. Broadcasting on 99.9 FM, XHNNO is owned by Grupo Radiofónico Zer and carries the Los 40 format from Radiópolis.

XHNNO-FM

Naco, Sonora Mexico
Broadcast area	Agua Prieta, Sonora; Douglas, Arizona
Frequency	99.9 MHz
Branding	Los 40
Programming
Format	Contemporary hit radio
Affiliations	Radiópolis
Ownership
Owner	Grupo Radiofónico Zer (Arnoldo Rodríguez Zermeño)
History
First air date	November 23, 1994 (concession)
Technical information
Class	B
ERP	27.4 kW[1]
HAAT	65.4 meters (215 ft)
Transmitter coordinates	31°16′43.6″N 109°44′54.1″W
Links
Webcast	Listen live
Website	grupozer.mx

History

The concession for XHNNO was awarded on November 23, 1994. The station has always been owned by Rodríguez Zermeño.

Until January 2021, the station carried the Exa FM pop format from MVS Radio.

The station began carrying the Los 40 format on February 3, 2021.