DWIZ (882 AM) is a radio station owned and operated by Aliw Broadcasting Corporation, a subsidiary of the ALC Group of Companies, and serves as the flagship station of the DWIZ network. The station's studio is located at the 5th Floor, Citystate Centre, 709 Shaw Boulevard, Brgy. Oranbo, Pasig, and its transmitter is located at Osmeña St., Brgy. Pag-Asa, Obando, Bulacan. History 1949-1991: Early beginnings as DZPI, the first iteration of DWIZ It was then known as DZPI from 1949 to 1972, broadcasting at 800 kHz until November 1978 when it transferred to 882 kHz due to the adoption of the 9 kHz spacing for medium wave stations as stipulated by the Geneva Frequency Plan of 1975 (aka GE75) supplanting the NARBA-mandated 10 kHz spacing rule. DWIZ officially began its broadcast operations on September 24, 1972 as DWIZ Sunshine City under the ownership of Manila Broadcasting Company through its subsidiary, Philippine Broadcasting Corporation. As one of the stations established during the Martial Law, it was then one of the most influential Top 40 music stations in Metro Manila. In 1986, it shifted to a full service format with emphasis on news and music. DWIZ Sunshine City signed off for the last time on the first quarter of 1991. 1991-present: The current iteration of DWIZ In 1991, Aliw Broadcasting Corporation, a then-newly established broadcast network owned by Antonio Cabangon Chua, acquired DWIZ. Relaunched in April that year as a news and talk station with its first station tagline, "Boses Pilipino, Radyo ng Tao", DWIZ pioneered the Broadcast Tandem System, wherein a pair of broadcasters on board man the station's newscasts. Leading the station's first years of broadcast are some of the anchors and reporters from DZRH; among them is Rey Langit, who served as its station manager from its first year until 2016, when he left the station. The first big news coverage on DWIZ was the country's annual Independence Day celebrations in 1991, followed immediately by the eruption of Mount Pinatubo. In 1994, the station increased its power from 25,000 watts to 50,000 watts. As one of the few stations in the market authorized to operate with such power, it carries the tagline Todong Lakas. In 2000, DWIZ relocated their studio from Dominga Building, Pasong Tamo, Makati (home of Aliw's sister companies BusinessMirror and Pilipino Mirror) to their current home in Citystate Centre in Shaw Boulevard, Pasig. In 2005, DWIZ