KZYN

KZYN

Toquerville, Utah United States
Broadcast area	St. George, Utah Mesquite, Nevada Bunkerville, Nevada
Frequency	104.1 MHz
Branding	104.1 Jack FM
Programming
Format	Adult hits
Network	Jack FM
Affiliations	Compass Media Networks
Ownership
Owner	Redrock Media (Redrock Broadcasting, Inc.)
Sister stations	KCAY, KUTQ, KURR, KRQX-FM
History
First air date	2015 (as KSGX)
Former call signs	KSGX (2015–2018)
Call sign meaning	Zion National Park (former branding)
Technical information1
Licensing authority	FCC
Facility ID	198815
Class	C1
ERP	14,000 watts
HAAT	610 meters (2,000 ft)
Transmitter coordinates	36°50′48″N 113°29′28″W / 36.84667°N 113.49111°W / 36.84667; -113.49111
Translator	100.7 MHz K264DD (Cedar City)
Links
Public license information	Public file LMS
Webcast	Listen Live
Website	1041jackfm.net

KZYN (104.1 FM, "104.1 Jack FM") is a radio station licensed to Toquerville, Utah. Owned by Redrock Media, it broadcasts an adult hits format serving the St. George, Utah region.

The station was assigned the KSGX call letters by the Federal Communications Commission on November 17, 2015.²

On November 13, 2018, the station officially launched as adult album alternative Zion 104.1, adopting the call letters KZYN.³

On April 6, 2026, KZYN flipped to adult hits as 104.1 Jack FM.⁴