WKTU

WKTU
	Lake Success, New York; United States;
Broadcast area	New York metropolitan area
Frequency	103.5 MHz (HD Radio)
Branding	103.5 KTU
Programming
Language	English
Format	Rhythmic adult contemporary
Subchannels	HD2: Talk radio (WOR)
Affiliations	iHeartRadio; Premiere Networks;
Ownership
Owner	iHeartMedia; (iHM Licenses, LLC);
Sister stations	WAXQ; WHTZ; WLTW; WOR; WWPR-FM; WWRL;
History
First air date	September 1, 1958
Former call signs	WGLI-FM (1958–1961); WTFM (1961–1982); WAPP (1982–1986); WQHT (1986–1988); WYNY (1988–1996);
Technical information
Licensing authority	FCC
Facility ID	6595
Class	B
ERP	6,000 watts (analog); 238 watts (digital);
HAAT	415 meters (1,362 ft)
Transmitter coordinates	40°44′54″N 73°59′08″W / 40.748444°N 73.985694°W
Links
Public license information	Public file; LMS;
Webcast	Listen live (via iHeartRadio)
Website	ktu.iheart.com

WKTU (103.5 FM) is a rhythmic adult contemporary formatted radio station licensed to Lake Success, New York. Owned by iHeartMedia, the station broadcasts from studios at 125 West 55th Street in Midtown Manhattan; its transmitter is located at the Empire State Building. Although licensed to a community in Nassau County, which is part of the Long Island radio market, the station is assigned by Nielsen to the New York market.