KFXB-TV

KFXB-TV
Dubuque–Cedar Rapids–; Waterloo–Iowa City, Iowa; ; United States;
City	Dubuque, Iowa
Channels	Digital: 14 (UHF); Virtual: 40;
Programming
Affiliations	40.1: CTN; for others, see § Subchannels;
Ownership
Owner	Christian Television Network; (Christian Television Network of Iowa, Inc.);
History
First air date	June 1, 1970 (54 years ago)
Former call signs	KDUB-TV (1970–1995)
Former channel number(s)	Analog: 40 (UHF, 1970–2009); Digital: 43 (UHF, until 2018);
Former affiliations	ABC (1970–1974, 1976–1995); Dark (1974–1976); Fox (1995–2004);
Call sign meaning	Disambiguation of former sister station KFXA
Technical information
Licensing authority	FCC
Facility ID	17625
ERP	580 kW
HAAT	261 m (856 ft)
Transmitter coordinates	42°31′9″N 90°37′11″W / 42.51917°N 90.61972°W
Links
Public license information	Public file; LMS;
Website	ctnonline.com/affiliate/kfxb/

KFXB-TV (channel 40) is a religious television station licensed to Dubuque, Iowa, United States, serving the Eastern Iowa television market as an owned-and-operated station of the Christian Television Network (CTN). The station's studios are located on Main Street in downtown Dubuque, and its transmitter is located in extreme southwestern Grant County, Wisconsin (in the Madison television market).