XHUS-TDT channel 8, also known as "Unison TV", is an educational television station owned and operated by the University of Sonora (UniSon) in

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History

XHUS-TV signed on air in 1965 with 1 kW of power; it was officially launched on December 4 of that year. It shared studio facilities with XEUS-AM "Radio Universidad" and broadcast from 8 to 10pm, Monday through Friday. It broadcast local events such as the 1969 Juegos Universitarios, which were hosted by UniSon. Due to economic problems, channel 8 signed off in 1973. In the late 1970s, work began to bring the station back to the air; in 1977, paperwork was filed to bring channel 8 back on air and new videotape equipment was acquired the next year. However, the conversion of the original DWM transmitter to color operation caused problems. At last, in 1979, channel 8 returned to the air under agreement with the

Instituto Politécnico Nacional The National Polytechnic Institute (), abbreviated IPN, is one of the largest public universities in Mexico with 171,581 students at the high school, undergraduate and postgraduate levels. It is the second-best university in Mexico in the techni ...

, through which XHUS rebroadcast its

Canal Once Canal Once (channel 11) (stylised as canal once, formerly once and once tv) is a Mexican educational broadcast television network owned by National Polytechnic Institute. The network's flagship station is XEIPN-TDT channel 11 in Mexico City. I ...

via microwave link. This was replaced by a satellite connection in 1981. In 2002, XHUS went off the air yet again, not returning until fall 2010. The bulk of XHUS's programming is sourced via contract with Canal Once, Canal 22 and

TV UNAM TV UNAM (stylized as ''tvunam'' and ''tv•unam'', formerly written ''teveunam'') is an educational television network owned and operated by the National Autonomous University of Mexico (UNAM) in Mexico City. Programming on TV UNAM generally co ...

.Ana Isabel Zepeda
Reanudarán programación del Canal 8 de la Unison
, ''El Imparcial'' 5 September 2010 The station had not built digital facilities by late 2015; in order to remain on air for an additional year, XHUS reduced power to 1 kW. In 2016, XHUS migrated to digital on channel 8—one of very few VHF digital TV stations in Mexico. On December 4, 2017, XHUS rebranded as "Unison TV".

References

Public television in Mexico Mass media in Hermosillo Television channels and stations established in 1965 Television stations in Sonora {{Mexico-tv-station-stub