Yamagata Television System

JOYI-DTV
Yamagata Prefecture, Japan;
City	Yamagata
Channels	Digital: 18 (UHF); Virtual: 5;
Branding	YTS
Programming
Affiliations	All-Nippon News Network (since April 1, 1975)
Ownership
Owner	Yamagata Television System, Inc.
History
Founded	December 27, 1968; 55 years ago
First air date	April 1, 1970; 54 years ago
Former call signs	JOYI-TV (1970–2011)
Former channel number(s)	38 (analog UHF, 1970–2011)
Former affiliations	FNN/FNS (April 1, 1970 – March 31, 1993); JNN (April 1, 1970 – September 30, 1989)
Call sign meaning	Yamagata TelevIsion
Technical information
Licensing authority	MIC
Links
Website	www.yts.co.jp

Yamagata Television System, Inc.
Trade name	YTS
Native name	株式会社山形テレビ
Romanized name	Kabushikigaisha Yamagataterebi
Company type	Kabushiki gaisha
Industry	Television broadcasting
Founded	December 27, 1968; 55 years ago
Headquarters	5-4-1 Shironishima-chi, Yamagata City, Yamagata Prefecture, Japan
Owner	TV Asahi Holdings Corporation (23.5%); The Asahi Shimbun (18.6%)
Website	www.yts.co.jp
	Footnotes / references; Data from its Corporate Profile

Yamagata Television System, Inc. (株式会社山形テレビ, Kabushiki-gaisha Yamagata Terebi), also known as YTS, is a Japanese broadcast network affiliated with the All-Nippon News Network. Their headquarters are located in Yamagata Prefecture.

Logo used from 1970 to 2024.

History

JOYI-TV (also known as YTS) signed on as the primary FNN/FNS affiliate for Yamagata Prefecture on 1 April 1970, and remained with that network for its first 23 years in operation. It shared JNN programs with JOEF-TV (YBC) until October 1989, when JOWI-TV (TUY) began broadcasting as the prefecture's JNN affiliate.^[1]

In September 1992, YTS announced that it would affiliate with the All-Nippon News Network (ANN) and carry programming from TV Asahi once its affiliation contract with FNN expired on 31 March of the following year. Prior to the affiliation switch (which occurred on 1 April 1993), YBC, YTS, and TUY all carried programs from ANN as secondary affiliations. Conversely, this left Yamagata Prefecture without a full FNN affiliate for four years until JOCY-TV signed on as the new FNN affiliate on 1 April 1997. In the interim, JOOX-TV (from Sendai, which served eastern portions of Yamagata) served as the network's default over-the-air affiliate and that station, JOBI-TV from (Akita), and JOPX-TV (from Fukushima) were carried by regional cable television providers.^[1]

YTS began broadcasting in digital on 1 June 2006. The station's broadcasting area was affected by the 11 March 2011 earthquake, but received minimal damage compared to the devastation seen in the eastern areas of Tōhoku. Due to these circumstances, YTS officially terminated its analog television service as originally scheduled on 24 July 2011.