KDSR

This article is about the radio station. For the enzyme 3-ketodihydrosphingosine reductase, see 3-dehydrosphinganine reductase.

KDSR (101.1 FM, "101.1 Jack FM") is a Class C1 radio station licensed to serve Williston, North Dakota. The station is owned by Andrew Sturlaugson, and licensed to P&A Media LLC. It airs an adult hits music format.^[3] The station studios are on E Broadway in Williston.

KDSR

Williston, North Dakota United States
Broadcast area	Williston-Sidney
Frequency	101.1 MHz
Branding	101.1 Jack FM
Programming
Format	Adult hits
Affiliations	Jack FM network
Ownership
Owner	Andrew Sturlaugson (P&A Media LLC)
Sister stations	KGCX, KXWI
History
First air date	February 28, 1985 (1985-02-28)[1]
Technical information[2]
Licensing authority	FCC
Facility ID	56970
Class	C1
ERP	100,000 watts
HAAT	244 meters (801 ft)
Transmitter coordinates	48°3′30″N 104°0′0″W
Links
Public license information	Public file LMS
Webcast	Listen live
Website	web.kdsrradio.com/kdsr-101-1/

History

Former Bob FM logo

The station was assigned the KDSR call letters by the Federal Communications Commission on August 30, 1984.^[4] It signed on February 28, 1985.^[1]

KDSR was owned by Stephen Marks from 2002, when his Williston Community Broadcasting bought it for $500,000 from Robert H. Miller,^[5] until his death on May 11, 2022.^[6] Andrew Sturlaugson's P&A Media acquired Marks' Montana and North Dakota radio stations, including KDSR, for $850,000 in 2024.^[7]