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KDDX Xrock.png
City Spearfish, South Dakota
Broadcast area Rapid City, South Dakota
Branding X Rock
Slogan The Rock Station!
Frequency 101.1 MHz
Translator(s) 103.5 K278AM (Spearfish)
103.5 K278AN (Rapid City)
First air date 1985 (as KEZV)
Format Active Rock
ERP 100,000 watts
HAAT 545 meters (1788 feet)
Class C
Facility ID 17689
Transmitter coordinates 44°19′35″N 103°50′6″W / 44.32639°N 103.83500°W / 44.32639; -103.83500
Former callsigns KEZV (1983-1995)[1]
Owner Duhamel Broadcasting Enterprises
Sister stations KOTA, KQRQ, KZLK, KZZI
Webcast Listen Live
Website xrock.fm

KDDX (101.1 FM, "X Rock") is a radio station licensed to serve Spearfish, South Dakota. The station is owned by Duhamel Broadcasting Enterprises. It airs an active rock music format.

The station was assigned the KDDX call letters by the Federal Communications Commission on April 28, 1995.[1]


Call sign Frequency
City of license ERP
Class FCC info
K278AM 103.5 Spearfish, SD 49 D FCC
K278AN 103.5 Rapid City, SD 280 D FCC


  1. ^ a b "Call Sign History". FCC Media Bureau CDBS Public Access Database. 

External links[edit]