the Continuing Studies via Television or CONSTEL, a program aimed at upgrading teaching skills of elementary and secondary teachers of Science and English. Institutionalized by Department of Education, Culture and Sports (DECS), CONSTEL Science and English are being used in teacher training by the Regional and Divisional Leader Schools of the Department of Education, culture and Sports and in Teacher Education Institutions of the Commission on Higher Education. PTNI has also been the official broadcaster of major international sports competitions. It has covered the Olympic Games, starting with the 1988 Olympic Games in Seoul, except Barcelona Olympics in 1992 (covered by ABS-CBN), the Beijing Olympics in 2008 (covered by Solar Entertainment Corporation), London Olympics in 2012, Rio Olympics in 2016 and the Tokyo Olympics in 2021 (covered by TV5). PTNI was the carrying station of the South East Asian Games in 1991, 1995, 2005, and 2007, missing from 2009, and resuming at 2017; Asian Games from 1986 to 2006 and the IAAF World Championships in Athletics in 2007 and 2009. During these coverage, PTNI has received commendations from various sports organizations. In 1996, it received a presidential citation from then President Fidel V. Ramos for the successful coverage of the Atlanta Olympic Games. On July 16, 2001, under the new management appointed by President Gloria Macapagal Arroyo, PTNI adopted the new image and name National Broadcasting Network (NBN) carrying a new slogan "One People. One Nation. One Vision." for a new image in line with its new programming thrusts, they continued the new name until the Aquino administration in 2010. NBN expanded its broadcast reach with the launching of NBN World on February 19, 2003, in cooperation with the Television and Radio Broadcasting Service (TARBS). This global expansion signals new directions for NBN as it becomes accessible to the rest of the world, particularly the millions of Filipinos overseas. NBN can be seen in Australia, North America and the Asia-Pacific. NBN was transmitted via satellite nationwide using Agila 2 before moving to ABS 1 (now ABS 2) in September 2011 (Now in Telstar 18 as of present time). Before the year 2010, NBN main studios in Quezon City and its regional stations in Baguio, Cebu and Naga will be equipped with the most modern news gathering equipment for them to compete with the major television networks. Also, a new Harris Transmitter has been installed. NBN's transmitter power shall be increased