1967 - The station began operations as DZRI-TV on Channel 10 in Benguet, becoming the first television station in Northern Luzon under ABS-CBN Corporation, until it ceased broadcasting following the declaration of Martial Law by President Marcos in 1972.
1980 - GMA began broadcasting in Benguet via Channel 10. The station featured its own version of the GMA Radio-Television Arts ident, initially with a light blue square logo and white text, later adopting a circle 10 logo. In its final years, the logo resembled those used by ABC affiliates in some U.S. cities and eventually incorporated rainbow-colored stripes in red, yellow, green, and blue.
April 30, 1992 - With the launch of the Rainbow Satellite Network, GMA Channel 10 Baguio began nationwide satellite broadcasts, delivering Manila-based programming from flagship station DZBB-TV to viewers in North Luzon. The rebrand introduced a new logo featuring a rainbow with multicolored stripes (red, orange, yellow, green, blue, indigo, and violet) and a metallic “GMA” in Century Gothic Extra Bold, using an indigo-toned font.
2005 - GMA Network launched TV-10 Dagupan as a satellite station in Pangasinan, opening studios in Claveria Road, Malued District, Dagupan, and inaugurating a 20,000-watt transmitter on Mt. Sto. Tomas, Tuba, Benguet, significantly improving signal quality across North Luzon. That same year, QTV Channel 38 was also launched in Dagupan, later rebranded as GTV (now inactive).
2008 - GMA Dagupan was upgraded to a “superstation” and rebranded as GMA North Central Luzon, primarily serving Pangasinan, Nueva Ecija, Tarlac, La Union, and Benguet (including Baguio), with coverage extending to Zambales, Pampanga, Aurora, Nueva Vizcaya, Quirino, Ifugao, and Mountain Province. On May 5 of the same year, it launched its flagship local newscast, Balitang Amianan.
April 27, 2009 - GMA Dagupan launched its local morning show Primera Balita.
October 22, 2010 – 2011 - GMA News and Public Affairs Dagupan launched Isyu Ngayon North Central Luzon, a weekly one-hour public affairs program tackling key issues in Pangasinan and Benguet.
November 10, 2014 - GMA News and Public Affairs Dagupan relaunched Balitang Amianan as 24 Oras North Central Luzon.
April 24, 2015 - Primera Balita aired its final episode as part of GMA Network’s strategic streamlining of its provincial stations.
August 31, 2015 - GMA News and Public Affairs Dagupan relaunched 24 Oras North Central Luzon as 24 Oras Amianan.
February 1, 2016 - September 2, 2022 - Balitang Amianan returned to air after over a year-long hiatus and the temporary use of the 24 Oras brand.
October 3, 2016 - Balitang Amianan began simulcasting on GMA Ilocos, which includes TV-5 Ilocos Norte, TV-48 Ilocos Sur, TV-7 Abra, and TV-5 Mountain Province.
May 2018 -GMA North Central Luzon began digital test broadcasts on UHF Channel 38, covering Dagupan, Baguio, and the provinces of Benguet, Pangasinan, Tarlac, and La Union, with extended reach into parts of Zambales, Pampanga, Aurora, Ifugao, Mountain Province, and Nueva Ecija.[4]
March 15, 2021 - Balitang Amianan expanded its simulcast to TV-7 Batanes, TV-7 Tuguegarao, TV-13 Aparri, TV-7 Isabela, TV-5 Baler, and TV-10 Olongapo.[5]
September 5, 2022 - GMA North Central Luzon relaunched Balitang Amianan as One North Central Luzon.
Red: Home location of GMA Dagupan Light red and red: Market audience of GMA Dagupan Violet: Areas that may receive signals from GMA DagupanRed: Home location of GMA Ilocos Light red and red: Market audience of GMA Ilocos Violet: Areas that may receive signals from GMA Ilocos
Since October 3, 2016, the operations of GMA Ilocos (TV-5 Ilocos Norte, TV-7 Abra, TV-48 Ilocos Sur and TV-5 Mountain Province) was absorbed by the Dagupan station which led to simulcast Balitang Amianan and other regional interstitials, as well as some of the editorial and reportorial staff that are employed by the latter. GMA Ilocos were previously an originating station from 2012 to 2015, with its former flagship newscasts Balitang Ilokano and 24 Oras Ilokano. GMA Dagupan also reaches Pampanga and Nueva Vizcaya where it received signals when TV-10 Pampanga and TV-5 Bayombong (both former stations) are currently inactive. TV-7 Batanes, TV-7 Tuguegarao, TV-13 Aparri, TV-7 Isabela, TV-5 Baler and TV-10 Olongapo were former relay stations of GMA-7 Manila before being reassigned to GMA Dagupan on March 15, 2021.
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