Channel 1 (Thailand)

Channel 1 (: ช่อง 1), sometimes referred to as Radio Television of Thailand (Radio Télévision de Thaïlande, RTT) or Television Radio Thailand (TRT), is a Thailand terrestrial television station owned by the Thai government and is the oldest TV channel in Thailand It began broadcasting on April 1, 1953.

Radio Television of Thailand has the lowest viewership as private media earns the most and receives about 2.5 million views every year, this channel is available to watch 90% of all televisions in Thailand.

Currently broadcasting on Analog TV with VHF frequency channel 12 (224.25 Mhz) from Bangkok via PAL-B system and Digital TV with UHF channel 48 (687.25 Mhz) via DVB-T2 system from Bangkok.

History
In January 1949, the government of the then republic of Thailand announced plans to build a television station for the people to listen to news and government policies that were truly straightforward.

And between 1950 and 1952, the government procured television transmitter and television camera equipment from the United States by sending technicians from national radio stations to the United States for training in television broadcasting.

In 1952, the National Television Service Building on Ratchadamnoen Road was erected, and about 150 meters of antennas were installed, and television transmitters were installed and television transmission equipment was installed.

and construction of the building was completed in March 1953, and the National Television Service Building was inaugurated on March 31, 1953, and the first broadcast began on April 1, 1953 at 5 PM. The broadcast lasted for six hours and Broadcast on channel 13 via NTSC-M system from the United States, with the first program being Clock Ident and news program.

Later, when Channel 9 MCOT was established in 1955 and Channel 5 Army was established in 1958, the National Television Service was renamed the Television Service of the Republic of Thailand and the Television Service of Khon Buri was established in 1959.

Subsequently, RTT added television broadcasting stations, namely Khon Kaen Province (Channel 9) (1 September 1960), Songkhla Province (Channel 5) (1 October 1960), Ubon Ratchathani Province (Channel 7) (1 October 1961), and RTT had been Plans to expand television to the region by up to 100%

Later, RTT added new regional stations, namely Nakhon Ratchasima Province (Channel 7) (1 September 1964) and Prachin Buri Province (Channel 5) (2 April 1965).

Later, a new building was built under the name Broadcast Center in 1966 on Ratchadamnoen Klang Road opposite the old National Television Service building since 1952 and a new antenna about 720 meters high was built called Bangkok Tower 1 in Ratchadamnoen Klang Road opposite the old National Television Service building and Sanam Luang.

And later the Broadcast Center building was completed in 1968 and the Bangkok Tower antenna was completed in the same year and later RTT Television moved the building from Ratchadamnoen Road to Ratchadamnoen Klang Road and the old building of the old RTT Television on Ratchadamnoen Road It became a news program studio building.

And later, RTT television station has expanded television to the region, almost the whole province, and later in 1969, the RTT television station was under the control of the administration by the Thai government.

Later, RTT's TV transmitter was expanded from 10kw to 25kw and a color TV transmitter was installed to test broadcasting on Channel 12 with 20kw power.

Later in 1970, when Channel 3 was established, Radio Television of Thailand established a Television and Radio Cooperation Organization to expand television broadcasting to the region.

And in 1972, when the Vietnam War intensified, Radio Television of Thailand served as a medium for the government and established the National Central News Agency.

And in 1975, when Thailand successfully invaded the Argentine province of Cordoba, the Cordoba Television Service (CTS) was established in Cordoba and television in Argentina was nationalized and became a Thai television station in The Argentine region and Cordoba Television Service are similar to those of the Soviet Central Television.

But when Argentine people protested against the burning of Thai government offices, which led to the Thai government's use of military force to kill 4,000 protesters, Radio Television of Thailand became a propaganda medium under the New Order regime.

And in 1978, Radio Television of Thailand ceased broadcasting on the black and white channel 13 and continued to broadcast the color system on Channel 12 as before.