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KSTS, virtual channel 48 (UHF digital channel 19), is a Telemundo owned-and-operated television station licensed to San Jose, California, United States and serving the San Francisco Bay Area. The station is owned by the NBC Owned Television Stations subsidiary of NBCUniversal (itself a subsidiary of Comcast), as part of a duopoly with NBC owned-and-operated station KNTV (channel 11), also licensed to San Jose. The two stations share studios on North 1st Street in San Jose; KSTS' transmitter is located on Mount Allison.

History[]

The station first signed on the air on May 31, 1981 as an independent station. It was owned by National Group Television, which was headed by N. J. Douglas. The station initially offered programming weekdays from 5 a.m. to 3 p.m. from the Financial News Network. From 3 p.m. to 7 p.m. weekdays and from noon to 4 p.m. weekends, the station ran off network shows from the 1950s and early 1960s such as Fury, Gentle Ben, Flipper, Batman starring Adam West, The Danny Thomas Show, The Jackie Gleason Show and old low-budget movies. Weekdays after 7 p.m. and weekends throughout much of the day, the station offered various types of brokered programming including foreign language shows, religious programs, and some programming pertaining to technology. The station branded under the slogan "Your Computer Connection". KSTS was also the only station to broadcast the introduction of Apple's Macintosh personal computer at the company's 1984 Annual Shareholders Meeting. Beginning in the fall of 1981, KSTS carried the subscription television service Star TV, featuring recent movies, after 7 p.m. daily. By 1983, they were carrying subscription TV after 12 noon on weekends. By 1983, the off network shows were dropped for more brokered programming. That year, the station ran various brokered programming weekends from 5 a.m. to noon and from 3 to 6 p.m. weekdays. Financial news remained weekdays until 3 p.m.

NightMusic, premiering in August 1984, was a three-hour weekly live show that featured music videos and comedy. Hosted by John Ward with co-host Brian Leonard, NightMusic aired from 9 p.m. to midnight every Saturday for a year and a half and became a cult favorite. Chris Isaak was a frequent guest and Translator once served as the house band. Jay Peterson was a staff announcer.

In 1984, Star TV began winding down operations due to the fact cable penetration eliminated the need for Subscription TV over the air. In January 1985, the station partnered with two other Spanish-language independent stations, WNJU New York City and WSCV Miami to carry about eight hours a day of Spanish programming (which replaced Star TV programming locally) on weekday evenings, forming a network known as NetSpan; later in the year, other stations such as KVEA Los Angeles and WCIU Chicago (which lost affiliation with Spanish International Network gradually joined these the network.) Spanish programming gradually increased, on weekends especially and brokered shows gradually were dropped. By 1986, KSTS was running Spanish programming for about half of its broadcast day on weekdays but the entire day weekends. Later that year the Financial News Network programming ended and the station became the entire broadcast day. NetSpan was relaunched as Telemundo in mid-1987. By then, the station was running the network's programming about 16 hours a day. Telemundo bought the station outright in August 1987. On November 1, 1987, KSTS began carrying Telemundo programming full-time. Initially, KSTS was targeted at the San Jose/Silicon Valley region, but after converting to the Spanish language format, it changed its focus towards the entire San Francisco Bay Area.

In April 2002, as a result of its corporate takeover of Telemundo, NBC became the owner of KSTS; it then became a sister station to KNTV (channel 11), which also originally targeted San Jose, after NBC bought that station from Granite Broadcasting Corporation weeks later. The station moved into an all-digital broadcast center housed alongside KNTV in 2004.

Early years[]

On March 29, 1978, the Federal Communications Commission (FCC) granted National Group Television a construction permit to build a new television station on channel 48 in San Jose. The permit took the call letters KQWT before becoming KSTS on January 2, 1979. The station first signed on the air on May 31, 1981, as an independent station. It was owned by National Group Television, which was headed by John Douglas. The station's commercial programming included business programs as well as off-network shows from the 1950s and early 1960s. At night, the station originally carried subscription television programming supplied by Satellite Television and Associated Resources (STAR TV) of Santa Monica; STAR had acquired the franchise from Universal Subscription Television three months prior to launch. STAR would have a short run on channel 48 because it bought the Super Time STV service on KTSF and relaunched it as STAR TV that September. It would be replaced by a unique STV offering known as International Network Television, which consisted of three program tiers: two hours a night of Japanese-language shows, another two hours of Chinese-language programming, and a late-night adult film block. Daytime hours were filled by the then-new Financial News Network after it launched in November 1981.

The STV service, with just 3,000 subscribers in February 1983, ended later that year. The station then added additional brokered programming, including several shows on the young computer industry. The Thursday night Affordable Computer Hotline, channel 48's highest-rated show, was one of three devoted to the topic and cemented KSTS's place as "The Computer Connection". The station also rebroadcast the 1984 shareholders meeting of Apple Computer, where the Macintosh was introduced, as the company had been unable to accommodate all those who wanted to attend. However, when must-carry provisions were struck down, KSTS disappeared from several San Francisco-market cable systems; the manager of Viacom Cablevision systems in Marin County said that channel 48 had "phenomenally low ratings".

Telemundo acquisition[]

In 1987, after several members of National Group Television desired to sell, Douglas sold KSTS to Telemundo Group, Inc., which operated the fledgling Telemundo Spanish-language network, for $17 million. At the insistence of network executive Paul Niedermayer, who had been instrumental in the 1985 launch of KVEA in the Los Angeles area, the network bypassed KCNS channel 38 to buy the station in San Jose, which at the time was home to 35 percent of the Hispanics in the Bay Area. The station, however, was not Spanish around the clock even after the sale. As late as 1990, locally produced programs in Portuguese and Farsi were airing on KSTS. An effort at regional expansion began in 1990 when K15CU "KCU", a KSTS translator, began broadcasting in Salinas.

In October 1990, half of KSTS's 18 employees went on strike in protest of low pay and poor working conditions. The week-long strike, which resulted in temporary suspensions of the station's 6 p.m. newscast and the outright cancellation of its 11 p.m. news, resulted in the station staff unionizing with the International Brotherhood of Electrical Workers and agreeing to a contract in 1992.



The acquisition of Telemundo by NBC in 2002 came at the same time the network bought San Jose's KNTV and turned it into an NBC owned-and-operated station. Both stations moved from their separate facilities—KSTS from its site on Bering Drive—to a new building on First Street.

News operation[]

KSTS presently broadcasts 12 hours of locally produced newscasts each week (with two hours each weekday and one hour each on Saturdays and Sundays).

In 1988, KSTS launched its news department with the debut of a half-hour 6 p.m. newscast, which was originally co-anchored by Celina Rodriguez and Dante Betteo; both left in 1999. The program proved successful, which resulted in the station later adding a half-hour 11 p.m. newscast. This was canceled after the 1990 strike and was not reinstated until 1997.

In 1999, KSTS hired model Mónica Mesones in 1999 to present the weather, resulting in controversy over the selection.

In 2001, KSTS launched a morning newscast, Noticiero 48 Esta Mañana, and a mid-morning newscast, Noticiero 48 Al Mediodía anchored by Blanca Garza and Santiago Aburto. These were canceled in 2004. At this time, Cesar Bayona and Mariate Ramos anchored the 6 p.m. and 11 p.m. newscasts. 2006 saw the dismantling of the local news operation and the creation of a regional news operation to serve the western United States as part of the NBCUni 2.0 cost-cutting initiative. This was later reversed, and local news production was restored at KSTS in 2010. On February 27, 2012, KSTS became the first Spanish language television station in the Bay Area to begin broadcasting its local newscasts in high definition.

2014 saw a series of news expansions at Telemundo, KSTS included. A second attempt at a two-hour morning newscast, titled Noticiero Telemundo 48 Primera Edición, began in June, and in November, KSTS launched a 5:30 p.m. newscast as part of a national news expansion; a 10am newscast also was added to the schedule at this time. Additionally, KSTS received a new set, began producing its own weather segments locally, launched a local Telemundo Responde consumer investigative franchise, added 20 additional staffers to its news department and began a deeper sharing of resources including the public affairs program Comunidad del Valle) with KNTV. In 2015, the morning newscast was cut back to one hour, airing from 6 to 7 a.m.

Effective June 27, 2016, the morning and 10 a.m. newscasts were canceled in order to begin the production of weekend editions of the 5:30 and 11 p.m. newscasts beginning July 2.

Technical information[]

Subchannels[]

The station's digital signal is multiplexed:, with KSTS additionally carrying two subchannels of KNTV:

Channel Video Aspect PSIP Short Name Programming
48.1 1080i 16:9 KSTS-HD Main KSTS programming / Telemundo
48.2 480i TeleX TeleXitos
11.3 1080i KNTV-D2 Simulcast of KNTV / NBC
11.4 480i Cozi TV Simulcast of KNTV-DT2 / Cozi TV
48.5 NBCLX Lx

Former Subchannels[]

Channel Video Aspect PSIP Short Name Programming
48.1 1080i 16:9 KSTS-HD Main KSTS programming / Telemundo
48.2 480i TeleX TeleXitos
11.3 720p KNTV-D2 Simulcast of KNTV / NBC
11.4 480i Cozi TV Simulcast of KNTV-DT2 / Cozi TV

Analog-to-digital conversion[]

KSTS shut down its analog signal, over UHF channel 48, on June 12, 2009, as part of the federally mandated transition from analog to digital television. The station's digital signal remained on its pre-transition UHF channel 49, using PSIP to display KSTS' virtual channel as 48 on digital television receivers.

TV stations in California
Azteca América UniMás Telemundo Univision Other stations
KMSG-LD2, Fresno KBTF-CD/KTFB-CA, Bakersfield KKEY-LP, Bakersfield KVER-CD, Indio KVMM-CD, Santa Barbara KVMD, Twentynine Palms KCBT-LD, Bakersfield KZMM-CD, Fresno
KVYE-DT2, El Centro KEVC-CD, Indio KUNA-LP, Indio KVYE, El Centro KSDX-LD, San Diego KWHY, Los Angeles
XHAS-TDT, Tijuana/San Diego KKTF-LD, Chico KION, Monterey KDTV-DT/KDTV-CD, San Francisco/Santa Rosa KGMC, Merced
KRHT-LD, Redding KDJT-CD, Monterey KNVN-DT2, Chico KBNT-CD, San Diego KQCA-DT3, Stockton
KSBO-CD, San Luis Obispo KTSB-CD, Santa Maria KCSO-LD/KMUM-CD/KMMW-LD, Sacramento/Stockton KUVS, Sacramento KRCA, Riverside
KBBV-CD, Bakersfield KFTR, Ontario KTAS, San Luis Obispo KFTV, Hanford
KMCE-LD, Monterey KDTF-LD, San Diego KSTS, San Jose KUCO-LD, Chico
KSAO-LD, Sacramento KAJB, Calipatria KUAN-LD, Poway KEUV-LP, Eureka
KEMO, San Francisco KTFF-DT/KTFF-LD, Porterville/Fresno KNSO, Clovis KMEX, Los Angeles
KJLA, Ventura KTFK, Stockton KVEA, Corona KPMR, Santa Barbara
KFSF, Vallejo KABE-CD, Bakersfield
KSMS, Monterey
TV stations in the San Francisco Bay Area
KAXT-CD 1 (Decades)
KTVU 2 (Fox)
KRON 4 (MNTV)
KPIX 5 (CBS)
KGO 7 (ABC)
KQSL 8 (TLN)
KQED 9 (PBS)
KNTV 11 (NBC)
KDTV-DT/KDTV-CD 14/28 (Uni)
KOFY 20 (Ind)
KRCB 22 (PBS)
KAAP-LD 24 (DIYA)
KTSF 26 (Ind)
KCNZ-CD 28 (CRTV)
KMTP 32 (ETV)
KICU 36 (Ind)
KCNS 38 (SBN)
KMMC-LD 40 (3ABN Latino)
KTNC 42 (TCT)
KBCW 44 (CW)
KSTS 48 (TLM)
KZHD-LD 49 (Ind)
KEMO 50 (AZA)
KDTS 52 (DAYSTAR)
KQEH 54 (PBS)
KPJK 60 (ETV)
KKPX 65 (Ion)
KFSF-DT 66 (UMas)
KTLN 68 (H&I)
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