Channel 1 (Thailand)

Channel 1 (: ช่อง 1), sometimes referred to as Radio Television of Thailand (Radio Télévision de Thaïlande, RTT), 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.