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| city = [[San Jose, California|San Jose]], [[California]]
| city = [[San Jose, California|San Jose]], [[California]]
| area = [[San Francisco Bay Area]]
| area = [[San Francisco Bay Area]]
| slogan = La Mejor Estacion de Radio en toda la Area De La Bahia
| branding = La Kaliente
| branding = La Kaliente
| frequency = 1370 [[kHz]]
| frequency = 1370 [[kHz]]
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| coordinates = {{nowrap|{{coord|37|21|28|N|121|52|17|W|region:US_type:city}}}}
| coordinates = {{nowrap|{{coord|37|21|28|N|121|52|17|W|region:US_type:city}}}}
| callsign_meaning = Previous "'''Z'''" branding, '''S'''an '''F'''rancisco
| callsign_meaning = Previous "'''Z'''" branding, '''S'''an '''F'''rancisco
| former_callsigns = KEEN (1947–1993)<br>KKSJ (1993–1998)
| former_callsigns = KEEN (1947–1993)<br />KKSJ (1993–1998)
| owner = Carlos A. Duharte
| owner = Carlos A. Duharte
| licensee =
| licensee =
| sister_stations =
| sister_stations =
| webcast = [https://lakaliente1370am.com/live-radio/ Listen Live]
| webcast = [https://lakaliente1370am.com/live-radio/ Listen Live]
| website = [https://lakaliente1370am.com/ lakaliente1370am.com]
| website = [https://lakaliente1370am.com/ lakaliente1370am.com]
| affiliations = [[San Jose Earthquakes]]
| affiliations = [[San Jose Earthquakes]]
| licensing_authority= [[Federal Communications Commission|FCC]]
}}
}}


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==History==
==History==
===As KEEN (1947–1993)===
===As KEEN (1947–1993)===
Founded by United Broadcasting Company, whose president was [[George Mardikian]], KZSF came on the air in 1947 as a 1,000 watt station with call sign KEEN and a transmitter on a [[North San Jose]] orchard near the town border with [[Milpitas, California|Milpitas]].<ref name="Bay Area Radio Museum"/><ref name="1948 yearbook">{{citation|url=https://www.americanradiohistory.com/Archive-BC-YB/1948/Radio%20by%20State%20BC%20YB%201948%20B&W-10.pdf|title=Directory of standard broadcasting stations in the United States|work=Broadcasting Telecasting 1948 Yearbook Number|place=Washington, DC|publisher=Broadcasting Publications|year=1948|page=92|access-date=March 27, 2020|via=AmericanRadioHistory.com}}</ref> KEEN was first granted a [[construction permit]] by the [[Federal Communications Commission]] (FCC) in 1945.<ref name="HistoryCards">[https://licensing.fcc.gov/cgi-bin/prod/cdbs/forms/prod/getimportletter_exh.cgi?import_letter_id=37512 History Cards for KZSF], fcc.gov. Retrieved June 22, 2018.</ref><ref name="FCC data">https://fccdata.org/?facid=&call=KZSF</ref> At 8 p.m. on June 21, 1947, KEEN's grand opening broadcast took place at the [[Hotel De Anza]] in [[Downtown San Jose]] and featured comedian [[Red Skelton]].<ref name="Bay Area Radio Museum">{{cite web|url=https://bayarearadio.org/photos/farr/keen_grand-opening_june-1947|title=KEEN radio, San Jose Grand Opening Broadcast|publisher=Bay Area Radio Museum|access-date=March 27, 2020}}</ref> Two months later, KEEN was officially licensed by the FCC on August 21.<ref name="HistoryCards"/> In its early years, KEEN broadcast a [[Full-service radio|full service]] format with popular music, news, and sports.<ref name="Beilharz">{{citation|url=https://books.google.com/books?id=KhvHDwAAQBAJ|last1=Beilharz|first1=Edwin A.|last2=DeMers|first2=Donald O. Jr.|title=KBAY/KEEN: Broadcasting to serve their community|work=San Jose: California's First City|place=Tulsa, Oklahoma|publisher=Continental Heritage Press|year=1980|isbn=0932986137|via=Google Books}}</ref> Programming included news from the [[United Press International#History|United Press]],<ref name="1948 yearbook"/> Saturday night [[barn dance]]s,<ref>{{citation|url=https://scholarworks.sjsu.edu/cgi/viewcontent.cgi?article=11023&context=spartandaily|title='540' boys to play for barn dance|work=Spartan Daily|page=2|publisher=San Jose State College|date=January 16, 1948|access-date=March 27, 2020}}</ref> and [[Santa Clara Broncos baseball|University of Santa Clara baseball]] games.<ref>{{citation|url=https://content.scu.edu/digital/collection/broncoseg/id/6102/rec/1|title=The Bull Pen|last=Winklebleck|first=Sam H.|work=The Santa Clara|publisher=University of Santa Clara|date=March 9, 1949|access-date=March 27, 2020}}</ref> By 1954, KEEN had a [[country music|country and western music]] format featuring hosts like [[Red Murrell]], [[Cal Smith]], and [[Foy Willing]].<ref name="Beilharz"/><ref name="Bay Area Radio Museum"/><ref name="Singleton">{{cite book|url=https://books.google.com/books?id=5JaoGKu3OOUC&pg=PA113|title=Centerville, Fremont|last1=Singleton|first1=Jill M.|last2=Holmes|first2=Philip|page=113|place=Charleston, South Carolina|publisher=Arcadia Publishing|year=2011|isbn=9780738581774|via=Google Books}}</ref><ref>{{cite web|url=https://www.allmusic.com/artist/cal-smith-mn0000647518/biography|title=Cal Smith|last=Manheim|first=James|publisher=Allmusic|access-date=March 27, 2020}}</ref> KEEN began broadcasting [[San Jose State Spartans football|San Jose State College football]] games in 1956.<ref>{{citation|url=https://scholarworks.sjsu.edu/cgi/viewcontent.cgi?article=12399&context=spartandaily|title=Bronzan, Team In Hawaii Finale|work=Spartan Daily|publisher=San Jose State College|volume=44|issue=44|page=3|date=November 30, 1956}}</ref>
Founded by United Broadcasting Company, whose president was [[George Mardikian]], KZSF came on the air in 1947 as a 1,000 watt station with call sign KEEN and a transmitter on a [[North San Jose]] orchard near the town border with [[Milpitas, California|Milpitas]].<ref name="Bay Area Radio Museum"/><ref name="1948 yearbook">{{citation|url=https://www.americanradiohistory.com/Archive-BC-YB/1948/Radio%20by%20State%20BC%20YB%201948%20B&W-10.pdf|title=Directory of standard broadcasting stations in the United States|work=Broadcasting Telecasting 1948 Yearbook Number|place=Washington, DC|publisher=Broadcasting Publications|year=1948|page=92|access-date=March 27, 2020|via=AmericanRadioHistory.com}}</ref> KEEN was first granted a [[construction permit]] by the [[Federal Communications Commission]] (FCC) in 1945.<ref name="HistoryCards">[https://licensing.fcc.gov/cgi-bin/prod/cdbs/forms/prod/getimportletter_exh.cgi?import_letter_id=37512 History Cards for KZSF], fcc.gov. Retrieved June 22, 2018.</ref><ref name="FCC data">{{cite web|url=https://fccdata.org/?facid=&call=KZSF|title=KZSF|work=FCCdata.org|access-date=January 1, 2024}}</ref> At 8 p.m. on June 21, 1947, KEEN's grand opening broadcast took place at the [[Hotel De Anza]] in [[Downtown San Jose]] and featured comedian [[Red Skelton]].<ref name="Bay Area Radio Museum">{{cite web|url=https://bayarearadio.org/photos/farr/keen_grand-opening_june-1947|title=KEEN radio, San Jose Grand Opening Broadcast|date=10 August 2014|publisher=Bay Area Radio Museum|access-date=March 27, 2020}}</ref> Two months later, KEEN was officially licensed by the FCC on August 21.<ref name="HistoryCards"/> In its early years, KEEN broadcast a [[Full-service radio|full service]] format with popular music, news, and sports.<ref name="Beilharz">{{citation|url=https://books.google.com/books?id=KhvHDwAAQBAJ|last1=Beilharz|first1=Edwin A.|last2=DeMers|first2=Donald O. Jr.|title=KBAY/KEEN: Broadcasting to serve their community|work=San Jose: California's First City|place=Tulsa, Oklahoma|publisher=Continental Heritage Press|year=1980|isbn=0932986137|via=Google Books}}</ref> Programming included news from the [[United Press International#History|United Press]],<ref name="1948 yearbook"/> Saturday night [[barn dance]]s,<ref>{{citation|url=https://scholarworks.sjsu.edu/cgi/viewcontent.cgi?article=11023&context=spartandaily|title='540' boys to play for barn dance|work=Spartan Daily|page=2|publisher=San Jose State College|date=January 16, 1948|access-date=March 27, 2020}}</ref> and [[Santa Clara Broncos baseball|University of Santa Clara baseball]] games.<ref>{{citation|url=https://content.scu.edu/digital/collection/broncoseg/id/6102/rec/1|title=The Bull Pen|last=Winklebleck|first=Sam H.|work=The Santa Clara|publisher=University of Santa Clara|date=March 9, 1949|access-date=March 27, 2020}}</ref> By 1954, KEEN had a [[country music|country and western music]] format featuring hosts like [[Red Murrell]], [[Cal Smith]], and [[Foy Willing]].<ref name="Beilharz"/><ref name="Bay Area Radio Museum"/><ref name="Singleton">{{cite book|url=https://books.google.com/books?id=5JaoGKu3OOUC&pg=PA113|title=Centerville, Fremont|last1=Singleton|first1=Jill M.|last2=Holmes|first2=Philip|page=113|place=Charleston, South Carolina|publisher=Arcadia Publishing|year=2011|isbn=9780738581774|via=Google Books}}</ref><ref>{{cite web|url=https://www.allmusic.com/artist/cal-smith-mn0000647518/biography|title=Cal Smith|last=Manheim|first=James|publisher=Allmusic|access-date=March 27, 2020}}</ref> KEEN began broadcasting [[San Jose State Spartans football|San Jose State College football]] games in 1953.<ref>{{cite news|url=https://infoweb.newsbank.com/apps/news/openurl?ctx_ver=z39.88-2004&rft_id=info%3Asid/infoweb.newsbank.com&svc_dat=AMNEWS&req_dat=101EBBC4113DC10B&rft_val_format=info%3Aofi/fmt%3Akev%3Amtx%3Actx&rft_dat=document_id%3Aimage%252Fv2%253A1126156B6E3010F0%2540EANX-NB-180F595F8970895C%25402434639-180B681F5B706F1C%254012-180B681F5B706F1C%2540/hlterms%3A%2522san%2520jose%2520state%2522%2520Football%2520keen%2520radio|title=Radio Log|work=San Jose Mercury|page=13|date=September 18, 1953|access-date=July 9, 2024|via=Newslibrary}}</ref>


On September 19, 1957, KEEN was granted a license for a new transmitter with a stronger daytime broadcasting power of 5,000 watts.<ref name="HistoryCards"/> By 1960, KEEN added [[San Jose State Spartans men's basketball|San Jose State basketball]].<ref>{{citation|url=https://scholarworks.sjsu.edu/cgi/viewcontent.cgi?article=4099&context=spartandaily|title=KEEN airs tilts|work=Spartan Daily|date=December 2, 1960|volume=48|issue=45|page=4|publisher=San Jose State College|access-date=March 27, 2020}}</ref> The following year, KEEN began broadcasting select [[Santa Clara Broncos men's basketball|Santa Clara basketball]] games.<ref>{{citation|url=https://content.scu.edu/digital/collection/broncoseg/id/28961|title=Holiday Games Feature WCAC Tourney at SF|work=The Santa Clara|date=December 14, 1961|page=7|publisher=University of Santa Clara|access-date=March 27, 2020}}</ref>
On September 19, 1957, KEEN was granted a license for a new transmitter with a stronger daytime broadcasting power of 5,000 watts.<ref name="HistoryCards"/> By 1960, KEEN added [[San Jose State Spartans men's basketball|San Jose State basketball]].<ref>{{citation|url=https://scholarworks.sjsu.edu/cgi/viewcontent.cgi?article=4099&context=spartandaily|title=KEEN airs tilts|work=Spartan Daily|date=December 2, 1960|volume=48|issue=45|page=4|publisher=San Jose State College|access-date=March 27, 2020}}</ref> The following year, KEEN began broadcasting select [[Santa Clara Broncos men's basketball|Santa Clara basketball]] games.<ref>{{citation|url=https://content.scu.edu/digital/collection/broncoseg/id/28961|title=Holiday Games Feature WCAC Tourney at SF|work=The Santa Clara|date=December 14, 1961|page=7|publisher=University of Santa Clara|access-date=March 27, 2020}}</ref>


In 1963, United Broadcasting launched a sister station that played [[pop standards]], [[KBRG|KEEN-FM]], on 100.3&nbsp;MHz.<ref name="Beilharz"/><ref name="Billboard 1966">{{citation|url=https://books.google.com/books?id=5SgEAAAAMBAJ&pg=PA26|title=Stations by format|work=Billboard|date=March 26, 1966|volume=78|issue=13|page=26}}</ref> KEEN began broadcasting at its current power level of 5,000 watts at both day and night on August 26, 1964.<ref name="HistoryCards"/> By 1966, KEEN began playing selections from comedy records in addition to country music.<ref name="Billboard 1966"/> The two KEEN stations no longer shared call letters in 1967, as KEEN-FM became KBAY.<ref>{{citation|url=https://www.americanradiohistory.com/Archive-BC/BC-1967/1967-03-13-BC.pdf|title=Call letter actions|work=Broadcasting|page=84|volume=72|issue=11|date=March 13, 1967|access-date=March 27, 2020|via=AmericanRadioHistory.com}}</ref> KEEN expanded its live sports play-by-play to include [[Santa Clara Broncos football|Santa Clara football]] in 1969.<ref>{{citation|last=Merolla|first=Vic|title=Broncs Face Long Beach State Tough Offense and Defense|url=https://content.scu.edu/digital/collection/broncoseg/id/8986/rec/14|work=The Santa Clara|publisher=University of Santa Clara|date=October 24, 1969|access-date=March 27, 2020|page=1}}</ref>
In 1963, United Broadcasting launched a sister station that played [[pop standards]], [[KBRG|KEEN-FM]], on 100.3&nbsp;MHz.<ref name="Beilharz"/><ref name="Billboard 1966">{{citation|url=https://books.google.com/books?id=5SgEAAAAMBAJ&pg=PA26|title=Stations by format|magazine=Billboard|date=March 26, 1966|volume=78|issue=13|page=26}}</ref> KEEN began broadcasting at its current power level of 5,000 watts at both day and night on August 26, 1964.<ref name="HistoryCards"/> By 1966, KEEN began playing selections from comedy records in addition to country music.<ref name="Billboard 1966"/> The two KEEN stations no longer shared call letters in 1967, as KEEN-FM became KBAY.<ref>{{citation|url=https://www.americanradiohistory.com/Archive-BC/BC-1967/1967-03-13-BC.pdf|title=Call letter actions|work=Broadcasting|page=84|volume=72|issue=11|date=March 13, 1967|access-date=March 27, 2020|via=AmericanRadioHistory.com}}</ref> KEEN expanded its live sports play-by-play to include [[Santa Clara Broncos football|Santa Clara football]] in 1969.<ref>{{citation|last=Merolla|first=Vic|title=Broncs Face Long Beach State Tough Offense and Defense|url=https://content.scu.edu/digital/collection/broncoseg/id/8986/rec/14|work=The Santa Clara|publisher=University of Santa Clara|date=October 24, 1969|access-date=March 27, 2020|page=1}}</ref>


The 1970s marked several changes for KEEN. Murrell left KEEN in 1970 after 16 years.<ref name="Singleton"/><ref>{{cite book|url=https://books.google.com/books?id=g6kwDwAAQBAJ&pg=PA140|title=Workin' Man Blues: Country Music in California|last1=Haslam|first1=Gerald W.|last2=Russell|first2=Alexandra Haslam|last3=Chon|first3=Richard|place=Berkeley, California|publisher=University of California Press|year=1999|isbn=9780520275058|page=140|via=Google Books}}</ref> After the 1970–71 season, KEEN phased out its live college sports coverage in favor of pro sports. Santa Clara sports broadcasts moved to Los Altos FM station [[KJLV (FM)|KPEN]],<ref>{{citation|url=https://content.scu.edu/digital/collection/broncoseg/id/6469|title=Defense Prepares For Rebel Attack|last=Chipp|first=Steve|work=The Santa Clara|publisher=University of Santa Clara|date=October 8, 1971|access-date=March 27, 2020|page=4}}</ref> and San Jose State broadcasts also moved to FM on Santa Clara's [[KVVF|KREP]].<ref>{{citation|last=Osterman|first=Tim|title=Spartans try Long Beach in crucial PCAA encounter|url=https://scholarworks.sjsu.edu/cgi/viewcontent.cgi?article=5546&context=spartandaily|work=Spartan Daily|publisher=San Jose State College|date=October 8, 1971|page=7|access-date=March 27, 2020}}</ref> From 1971 to 1975, KEEN was the flagship station of the [[Oakland Athletics Radio Network|Oakland A's Radio Network]].<ref>{{cite web |title=Oakland Athletics Baseball On The Radio |url=https://bayarearadio.org/sports-index/athletics |website=Bay Area Radio Museum |date=13 August 2014}}</ref> KEEN also broadcast [[California Golden Seals]] games until the team moved out of the Bay Area in 1976.<ref>{{cite web |title=California Golden Seals Radio Coverage Map (1974-75) |url=https://bayarearadio.org/keen/seals_coverage-map |website=Bay Area Radio Museum |date=9 August 2014}}</ref> After over 25 years operating out of Hotel De Anza, United Broadcasting moved the KEEN and KBAY to [[West San Jose]] in 1974, on the top floor of the Golden Pacific Building at Winchester Boulevard.<ref name="Beilharz"/>
The 1970s marked several changes for KEEN. Murrell left KEEN in 1970 after 16 years.<ref name="Singleton"/><ref>{{cite book|url=https://books.google.com/books?id=g6kwDwAAQBAJ&pg=PA140|title=Workin' Man Blues: Country Music in California|last1=Haslam|first1=Gerald W.|last2=Russell|first2=Alexandra Haslam|last3=Chon|first3=Richard|place=Berkeley, California|publisher=University of California Press|year=1999|isbn=9780520275058|page=140|via=Google Books}}</ref> After the 1970–71 season, KEEN phased out its live college sports coverage in favor of pro sports. Santa Clara sports broadcasts moved to Los Altos FM station [[KWAI (FM)|KPEN]],<ref>{{citation|url=https://content.scu.edu/digital/collection/broncoseg/id/6469|title=Defense Prepares For Rebel Attack|last=Chipp|first=Steve|work=The Santa Clara|publisher=University of Santa Clara|date=October 8, 1971|access-date=March 27, 2020|page=4}}</ref> and San Jose State broadcasts also moved to FM on Santa Clara's [[KVVF|KREP]].<ref>{{citation|last=Osterman|first=Tim|title=Spartans try Long Beach in crucial PCAA encounter|url=https://scholarworks.sjsu.edu/cgi/viewcontent.cgi?article=5546&context=spartandaily|work=Spartan Daily|publisher=San Jose State College|date=October 8, 1971|page=7|access-date=March 27, 2020}}</ref> From 1971 to 1975, KEEN was the flagship station of the [[Oakland Athletics Radio Network|Oakland A's Radio Network]].<ref>{{cite web |title=Oakland Athletics Baseball On The Radio |url=https://bayarearadio.org/sports-index/athletics |website=Bay Area Radio Museum |date=13 August 2014}}</ref> KEEN also broadcast [[California Golden Seals]] games until the team moved out of the Bay Area in 1976.<ref>{{cite web |title=California Golden Seals Radio Coverage Map (1974-75) |url=https://bayarearadio.org/keen/seals_coverage-map |website=Bay Area Radio Museum |date=9 August 2014}}</ref> After over 25 years operating out of Hotel De Anza, United Broadcasting moved the KEEN and KBAY to [[West San Jose]] in 1974, on the top floor of the Golden Pacific Building at Winchester Boulevard.<ref name="Beilharz"/>


By 1976, KEEN began playing newer country singles on weekday afternoons while focusing on [[classic country]] for the rest of the day.<ref>{{citation|url=https://scholarworks.sjsu.edu/cgi/viewcontent.cgi?article=6054&context=spartandaily|title=Radio stations offer variety|last=Burns|first=Robert|date=March 9, 1976|page=5|work=Spartan Daily|publisher=San Jose State University|access-date=March 27, 2020}}</ref> Following a request filed in 1979, the FCC approved the relocation of KEEN's studios to [[Campbell, California|Campbell]] in 1982.<ref name="HistoryCards"/><ref>[http://licensing.fcc.gov/cgi-bin/ws.exe/prod/cdbs/pubacc/prod/app_det.pl?Application_id=37689 FCC Application Search Details: BML-19820104AH] (click "Public Notice Comment")</ref>
By 1976, KEEN began playing newer country singles on weekday afternoons while focusing on [[classic country]] for the rest of the day.<ref>{{citation|url=https://scholarworks.sjsu.edu/cgi/viewcontent.cgi?article=6054&context=spartandaily|title=Radio stations offer variety|last=Burns|first=Robert|date=March 9, 1976|page=5|work=Spartan Daily|publisher=San Jose State University|access-date=March 27, 2020}}</ref> Following a request filed in 1979, the FCC approved the relocation of KEEN's studios to [[Campbell, California|Campbell]] in 1982.<ref name="HistoryCards"/><ref>{{cite web|url= https://licensing.fcc.gov/cgi-bin/ws.exe/prod/cdbs/pubacc/prod/comment.pl?Application_id=37689&File_number=BML-19820104AH|title=Public Notice Comment|work=[[Federal Communications Commission]]|access-date=January 1, 2024}}</ref>


By January 1992, KEEN faced declining ratings and advertising revenue due to competition from FM stations, including new FM country station [[KRTY]].<ref name="gets the shaft"/><ref name="Billboard 1995"/> These factors led United Broadcasting to announce that KEEN would be a simulcast of easy listening FM sister station KBAY.<ref name="gets the shaft">{{cite news|url=http://docs.newsbank.com/openurl?ctx_ver=z39.88-2004&rft_id=info:sid/iw.newsbank.com:NewsBank:ORGB&rft_val_format=info:ofi/fmt:kev:mtx:ctx&rft_dat=0EF5058366689603&svc_dat=InfoWeb:aggregated4&req_dat=0D10F2CADB4B24C0|title=KEEN's country gets the shaft|last=Weimers|first=Leigh|work=San Jose Mercury News|page=1D|date=January 22, 1992|access-date=March 27, 2020|via=Newsbank}}</ref> However, following much feedback from listeners and advertisers, United Broadcasting reversed this decision.<ref>{{cite news|url=http://docs.newsbank.com/openurl?ctx_ver=z39.88-2004&rft_id=info:sid/iw.newsbank.com:NewsBank:ORGB&rft_val_format=info:ofi/fmt:kev:mtx:ctx&rft_dat=0EF505838EFCDCE0&svc_dat=InfoWeb:aggregated4&req_dat=0D10F2CADB4B24C0|title=KEEN is back in the saddle again|last=Weimers|first=Leigh|date=January 31, 1992|page=1D|access-date=March 27, 2020|via=Newsbank}}</ref> However, beginning April 1 that year, KEEN cut its on-air staff to three hosts during daytime hours and broadcast [[broadcast syndication|syndicated]] music by satellite in other time slots.<ref>{{cite news|url=http://docs.newsbank.com/openurl?ctx_ver=z39.88-2004&rft_id=info:sid/iw.newsbank.com:NewsBank:ORGB&rft_val_format=info:ofi/fmt:kev:mtx:ctx&rft_dat=0EF5058581FC6AA3&svc_dat=InfoWeb:aggregated4&req_dat=0D10F2CADB4B24C0|title=Place your bets: Do casinos help economy or not?|last=Weimers|first=Leigh|work=San Jose Mercury News|date=March 27, 1992|page=1E|access-date=March 27, 2020|via=Newsbank}}</ref> KEEN went [[dark (broadcasting)|off the air]] on January 1, 1993, after losing its transmitter lease a month earlier as the city of San Jose planned to build nearly 250 houses in the area.<ref>{{cite news|last=Weimers|first=Leigh|url=http://docs.newsbank.com/openurl?ctx_ver=z39.88-2004&rft_id=info:sid/iw.newsbank.com:NewsBank:ORGB&rft_val_format=info:ofi/fmt:kev:mtx:ctx&rft_dat=0EF5058E553726FB&svc_dat=InfoWeb:aggregated4&req_dat=0D10F2CADB4B24C0|title=Country fans do a two-step with luck, good and bad|work=San Jose Mercury News|date=December 18, 1992|page=1D|access-date=March 27, 2020|via=Newsbank}}</ref><ref name="1976 transmitter">{{cite web|url=https://bayarearadio.org/keen/keen_xmtr-bldg_1976|title=KEEN radio, San Jose, Transmitter Site circa 1976|publisher=Bay Area Radio Museum|access-date=March 29, 2020}}</ref>
By January 1992, KEEN faced declining ratings and advertising revenue due to competition from FM stations, including new FM country station [[KJLV (FM)|KRTY]].<ref name="gets the shaft"/><ref name="Billboard 1995"/> These factors led United Broadcasting to announce that KEEN would be a simulcast of easy listening FM sister station KBAY.<ref name="gets the shaft">{{cite news|url=http://docs.newsbank.com/openurl?ctx_ver=z39.88-2004&rft_id=info:sid/iw.newsbank.com:NewsBank:ORGB&rft_val_format=info:ofi/fmt:kev:mtx:ctx&rft_dat=0EF5058366689603&svc_dat=InfoWeb:aggregated4&req_dat=0D10F2CADB4B24C0|title=KEEN's country gets the shaft|last=Weimers|first=Leigh|work=San Jose Mercury News|page=1D|date=January 22, 1992|access-date=March 27, 2020|via=Newsbank}}</ref> However, following much feedback from listeners and advertisers, United Broadcasting reversed this decision.<ref>{{cite news|url=http://docs.newsbank.com/openurl?ctx_ver=z39.88-2004&rft_id=info:sid/iw.newsbank.com:NewsBank:ORGB&rft_val_format=info:ofi/fmt:kev:mtx:ctx&rft_dat=0EF505838EFCDCE0&svc_dat=InfoWeb:aggregated4&req_dat=0D10F2CADB4B24C0|title=KEEN is back in the saddle again|last=Weimers|first=Leigh|date=January 31, 1992|page=1D|access-date=March 27, 2020|via=Newsbank}}</ref> However, beginning April 1 that year, KEEN cut its on-air staff to three hosts during daytime hours and broadcast [[broadcast syndication|syndicated]] music by satellite in other time slots.<ref>{{cite news|url=http://docs.newsbank.com/openurl?ctx_ver=z39.88-2004&rft_id=info:sid/iw.newsbank.com:NewsBank:ORGB&rft_val_format=info:ofi/fmt:kev:mtx:ctx&rft_dat=0EF5058581FC6AA3&svc_dat=InfoWeb:aggregated4&req_dat=0D10F2CADB4B24C0|title=Place your bets: Do casinos help economy or not?|last=Weimers|first=Leigh|work=San Jose Mercury News|date=March 27, 1992|page=1E|access-date=March 27, 2020|via=Newsbank}}</ref> KEEN went [[dark (broadcasting)|off the air]] on January 1, 1993, after losing its transmitter lease a month earlier as the city of San Jose planned to build nearly 250 houses in the area.<ref>{{cite news|last=Weimers|first=Leigh|url=http://docs.newsbank.com/openurl?ctx_ver=z39.88-2004&rft_id=info:sid/iw.newsbank.com:NewsBank:ORGB&rft_val_format=info:ofi/fmt:kev:mtx:ctx&rft_dat=0EF5058E553726FB&svc_dat=InfoWeb:aggregated4&req_dat=0D10F2CADB4B24C0|title=Country fans do a two-step with luck, good and bad|work=San Jose Mercury News|date=December 18, 1992|page=1D|access-date=March 27, 2020|via=Newsbank}}</ref><ref name="1976 transmitter">{{cite web|url=https://bayarearadio.org/keen/keen_xmtr-bldg_1976|title=KEEN radio, San Jose, Transmitter Site circa 1976|date=9 August 2014|publisher=Bay Area Radio Museum|access-date=March 29, 2020}}</ref>


===As KKSJ (1993–1998)===
===As KKSJ (1993–1998)===
On October 11, 1993, KEEN became KKSJ.<ref name="FCC data"/><ref name="Billboard 1995">{{citation|last=Boehlert|first=Eric|title=Revived Station Trades Country Tunes for Sinatra|work=Billboard|url=https://books.google.com/books?id=7AsEAAAAMBAJ&q=KEEN+%22San+jose%22+country&pg=PA87|date=March 25, 1995|access-date=March 27, 2020|via=Google Books}}</ref> After United Broadcasting made an arrangement for KKSJ to share the transmitter site near [[U.S. Highway 101]], a [[Union Pacific Railroad]] overpass, and an [[Eggo]] factory with fellow San Jose AM station [[KSJX]], KKSJ resumed broadcasting in 1994 with the brand "Magic 1370" and a [[pop standards]] format inspired by the former "Magic 61" brand of San Francisco's [[KEAR (AM)|KFRC]].<ref name="1976 transmitter"/><ref name="Billboard 1995"/> "Magic 1370" had a playlist from a 1,700-song library, including nearly 175 [[Frank Sinatra]] songs and others by artists including [[Ella Fitzgerald]] and [[Tony Bennett]].<ref name="Billboard 1995"/> [[Jim Lange]], former KFRC DJ and host of ''[[The Dating Game]]'', joined KKSJ as a weekend host.<ref>{{cite news|url=http://docs.newsbank.com/openurl?ctx_ver=z39.88-2004&rft_id=info:sid/iw.newsbank.com:NewsBank:ORGB&rft_val_format=info:ofi/fmt:kev:mtx:ctx&rft_dat=0EF7567C8A4A0E23&svc_dat=InfoWeb:aggregated4&req_dat=0D10F2CADB4B24C0|title=Jim Lange has a date in San Jose|last=Kava|first=Brad|work=San Jose Mercury News|date=August 12, 1994|page=Eye 20|access-date=March 27, 2020|via=Newsbank}}</ref>
On October 11, 1993, KEEN became KKSJ.<ref name="FCC data"/><ref name="Billboard 1995">{{citation|last=Boehlert|first=Eric|title=Revived Station Trades Country Tunes for Sinatra|magazine=Billboard|url=https://books.google.com/books?id=7AsEAAAAMBAJ&q=KEEN+%22San+jose%22+country&pg=PA87|date=March 25, 1995|access-date=March 27, 2020|via=Google Books}}</ref> After United Broadcasting made an arrangement for KKSJ to share the transmitter site near [[U.S. Highway 101]], a [[Union Pacific Railroad]] overpass, and an [[Eggo]] factory with fellow San Jose AM station [[KSJX]], KKSJ resumed broadcasting in 1994 with the brand "Magic 1370" and a [[pop standards]] format inspired by the former "Magic 61" brand of San Francisco's [[KEAR (AM)|KFRC]].<ref name="1976 transmitter"/><ref name="Billboard 1995"/> "Magic 1370" had a playlist from a 1,700-song library, including nearly 175 [[Frank Sinatra]] songs and others by artists including [[Ella Fitzgerald]] and [[Tony Bennett]].<ref name="Billboard 1995"/> [[Jim Lange]], former KFRC DJ and host of ''[[The Dating Game]]'', joined KKSJ as a weekend host.<ref>{{cite news|url=http://docs.newsbank.com/openurl?ctx_ver=z39.88-2004&rft_id=info:sid/iw.newsbank.com:NewsBank:ORGB&rft_val_format=info:ofi/fmt:kev:mtx:ctx&rft_dat=0EF7567C8A4A0E23&svc_dat=InfoWeb:aggregated4&req_dat=0D10F2CADB4B24C0|title=Jim Lange has a date in San Jose|last=Kava|first=Brad|work=San Jose Mercury News|date=August 12, 1994|page=Eye 20|access-date=March 27, 2020|via=Newsbank}}</ref>


KKSJ rose from being unranked in the winter 1994 [[Arbitron]] Bay Area ratings to a 2.9 share by the fall of 1994.<ref name="Billboard 1995"/> Lange left KKSJ in 1996.<ref>{{cite news|url=http://docs.newsbank.com/openurl?ctx_ver=z39.88-2004&rft_id=info:sid/iw.newsbank.com:NewsBank:ORGB&rft_val_format=info:ofi/fmt:kev:mtx:ctx&rft_dat=0EB72068F39163A2&svc_dat=InfoWeb:aggregated4&req_dat=0D10F2CADB4B24C0|title=KABL tunes into big-band format and adds big-name DJs|work=San Jose Mercury News|date=January 28, 1997|last=Kava|first=Brad|page=10E|access-date=March 27, 2020|via=Newsbank}}</ref>
KKSJ rose from being unranked in the winter 1994 [[Arbitron]] Bay Area ratings to a 2.9 share by the fall of 1994.<ref name="Billboard 1995"/> Lange left KKSJ in 1996.<ref>{{cite news|url=http://docs.newsbank.com/openurl?ctx_ver=z39.88-2004&rft_id=info:sid/iw.newsbank.com:NewsBank:ORGB&rft_val_format=info:ofi/fmt:kev:mtx:ctx&rft_dat=0EB72068F39163A2&svc_dat=InfoWeb:aggregated4&req_dat=0D10F2CADB4B24C0|title=KABL tunes into big-band format and adds big-name DJs|work=San Jose Mercury News|date=January 28, 1997|last=Kava|first=Brad|page=10E|access-date=March 27, 2020|via=Newsbank}}</ref>
Line 52: Line 52:


===As KZSF (1998–present)===
===As KZSF (1998–present)===
On January 20, 1998, the station changed its call sign to the current KZSF and entered a [[local marketing agreement]] to be a San Francisco Bay Area affiliate of [[Bustos Media|Amador Bustos]]'s Z-Spanish Radio Network of [[regional Mexican]] music stations, alongside sister station [[KREV (FM)|KZSF-FM]] in Alameda.<ref>{{cite web|url=http://licensing.fcc.gov/cgi-bin/ws.exe/prod/cdbs/pubacc/prod/call_hist.pl?Facility_id=68841&Callsign=KZSF |title=KZSF Call Sign History |work=Federal Communications Commission }}</ref><ref>{{cite web|url=https://www.americanradiohistory.com/Archive-M-Street/M-Street-Journal/M-Street-1998-01.pdf|title=Format Changes & Updates|work=The M Street Journal|date=January 14, 1998|volume=15|issue=2|page=1|access-date=March 27, 2020|via=AmericanRadioHistory.com}}</ref><ref>{{cite web|archive-url=https://web.archive.org/web/19980703020907/http://www.zspanish.com/p0000022.htm|archive-date=July 3, 1998|url=http://zspanish.com/p0000022.htm|title=Radio Stations|publisher=Z-Spanish Radio Network|access-date=March 27, 2020|url-status=dead}}</ref> Bustos bought KZSF and five other stations from Douglas Broadcasting for $27 million in June 1998.<ref>{{citation|url=https://www.americanradiohistory.com/Archive-BC/BC-1999/BC-1999-02-15.pdf|title=Dealing for Dollars: TV and radio top sellers in 1998|work=Broadcasting & Cable|page=55|date=February 15, 1999|volume=129|issue=7|access-date=March 28, 2020|via=AmericanRadioHistory.com}}</ref><ref>{{citation|url=https://www.americanradiohistory.com/Archive-BC/BC-1998/BC-1998-07-06.pdf|title=Z-Spanish merging with Achievement Radio Holdings|work=Broadcasting & Cable|page=48|volume=128|issue=28|date=July 6, 1998|access-date=March 28, 2020|via=AmericanRadioHistory.com}}</ref> For the first time since 1982 as KEEN, KZSF operated in San Jose, with a new location at Wooster Avenue near [[North San Jose]].<ref>{{cite book|url=https://www.americanradiohistory.com/Archive-BC-YB/1999/D-Radio-All-BC-YB-1999..pdf|title=Broadcasting & Cable Yearbook 1999|page=D-61|place=New Providence, New Jersey|publisher=R.R. Bowker|year=1999|isbn=0835241114|via=AmericanRadioHistory.com}}</ref> In June 2001, Carlos Duharte bought KZSF for $5 million and relocated the station to Tisch Way in West San Jose.<ref>{{citation|url=https://www.americanradiohistory.com/Archive-Radio-Business-Report/Radio-Business-Report/2001/RBR-2001-07-02.pdf|title=Transaction Digest|last1=Seyler|first1=Dave|last2=Messmer|first2=Dave|work=Radio Business Report|date=July 2, 2001|page=14|volume=18|issue=27|access-date=March 28, 2020|via=AmericanRadioHistory.com}}</ref><ref>{{cite book|url=https://www.americanradiohistory.com/Archive-BC-YB/2001/D-Radio-All-BC-YB-2001.pdf|title=Broadcasting & Cable Yearbook 2001|page=D-62|place=New Providence, New Jersey|publisher=Bowker|year=2001|isbn=0835243869|via=AmericanRadioHistory.com}}</ref>
On January 20, 1998, the station changed its call sign to the current KZSF and entered a [[local marketing agreement]] to be a San Francisco Bay Area affiliate of [[Bustos Media|Amador Bustos]]'s Z-Spanish Radio Network of [[regional Mexican]] music stations, alongside sister station [[KREV (FM)|KZSF-FM]] in Alameda.<ref>{{cite web|url= https://licensing.fcc.gov/cgi-bin/ws.exe/prod/cdbs/pubacc/prod/call_hist.pl?Facility_id=68841&Callsign=KZSF68841|title=KZSF Call Sign History |work=Federal Communications Commission }}</ref><ref>{{cite web|url=https://www.americanradiohistory.com/Archive-M-Street/M-Street-Journal/M-Street-1998-01.pdf|title=Format Changes & Updates|work=The M Street Journal|date=January 14, 1998|volume=15|issue=2|page=1|access-date=March 27, 2020|via=AmericanRadioHistory.com}}</ref><ref>{{cite web|archive-url=https://web.archive.org/web/19980703020907/http://www.zspanish.com/p0000022.htm|archive-date=July 3, 1998|url=http://zspanish.com/p0000022.htm|title=Radio Stations|publisher=Z-Spanish Radio Network|access-date=March 27, 2020|url-status=dead}}</ref> Bustos bought KZSF and five other stations from Douglas Broadcasting for $27 million in June 1998.<ref>{{citation|url=https://www.americanradiohistory.com/Archive-BC/BC-1999/BC-1999-02-15.pdf|title=Dealing for Dollars: TV and radio top sellers in 1998|work=Broadcasting & Cable|page=55|date=February 15, 1999|volume=129|issue=7|access-date=March 28, 2020|via=AmericanRadioHistory.com}}</ref><ref>{{citation|url=https://www.americanradiohistory.com/Archive-BC/BC-1998/BC-1998-07-06.pdf|title=Z-Spanish merging with Achievement Radio Holdings|work=Broadcasting & Cable|page=48|volume=128|issue=28|date=July 6, 1998|access-date=March 28, 2020|via=AmericanRadioHistory.com}}</ref> For the first time since 1982 as KEEN, KZSF operated in San Jose, with a new location at Wooster Avenue near [[North San Jose]].<ref>{{cite book|url=https://www.americanradiohistory.com/Archive-BC-YB/1999/D-Radio-All-BC-YB-1999..pdf|title=Broadcasting & Cable Yearbook 1999|page=D-61|place=New Providence, New Jersey|publisher=R.R. Bowker|year=1999|isbn=0835241114|via=AmericanRadioHistory.com}}</ref> In June 2001, Carlos Duharte bought KZSF for $5 million and relocated the station to Tisch Way in West San Jose.<ref>{{citation|url=https://www.americanradiohistory.com/Archive-Radio-Business-Report/Radio-Business-Report/2001/RBR-2001-07-02.pdf|title=Transaction Digest|last1=Seyler|first1=Dave|last2=Messmer|first2=Dave|work=Radio Business Report|date=July 2, 2001|page=14|volume=18|issue=27|access-date=March 28, 2020|via=AmericanRadioHistory.com}}</ref><ref>{{cite book|url=https://www.americanradiohistory.com/Archive-BC-YB/2001/D-Radio-All-BC-YB-2001.pdf|title=Broadcasting & Cable Yearbook 2001|page=D-62|place=New Providence, New Jersey|publisher=Bowker|year=2001|isbn=0835243869|via=AmericanRadioHistory.com}}</ref>


With its 1998 change to regional Mexican, KZSF added Spanish-language broadcasts of local sports teams, the [[San Francisco Giants]] baseball team and [[San Jose Earthquakes|San Jose Clash (later Earthquakes)]] soccer team.<ref>{{cite web|url=https://www.sfgate.com/sports/article/Silent-treatment-for-fans-3054689.php|title=Silent treatment for fans|last=Smith|first=Michelle|work=San Francisco Examiner|date=July 8, 2000|access-date=March 28, 2020}}</ref><ref>https://web.archive.org/web/19981207002003/http://www.clash.com/schedule/index.html</ref> However, the number of Giants games on the station declined from 81 home games in 1999 and 2000 to 40 in 2001 due to the Giants' inability to find advertisers.<ref>{{cite web|url=https://www.sfchronicle.com/sports/article/Missing-in-translation-Spanish-baseball-2566011.php|title=Missing in translation / Spanish baseball broadcasts a tough sell in Bay Area|last=Ortiz|first=Jorge L.|work=San Francisco Chronicle|date=July 10, 2003|access-date=March 28, 2020}}</ref> After a hiatus, KZSF resumed Spanish broadcasts of Earthquakes games in 2004 and 2005 before resuming the broadcasts long term beginning in 2010.<ref>{{cite web|url=https://www.sjearthquakes.com/post/2010/03/24/english-and-spanish-broadcasts-2010|title=English and Spanish Broadcasts in 2010|publisher=San Jose Earthquakes|date=March 24, 2010|access-date=March 29, 2020}}</ref><ref>{{cite web|url=https://www.sjearthquakes.com/post/2013/02/12/kliv-kzsf-return-earthquakes-broadcast-partners|title=KLIV, KZSF return as Earthquakes broadcast partners|publisher=San Jose Earthquakes|date=February 12, 2013|access-date=March 29, 2020}}</ref><ref name="Earthquakes 2018"/>
With its 1998 change to regional Mexican, KZSF added Spanish-language broadcasts of local sports teams, the [[San Francisco Giants]] baseball team and [[San Jose Earthquakes|San Jose Clash (later Earthquakes)]] soccer team.<ref>{{cite web|url=https://www.sfgate.com/sports/article/Silent-treatment-for-fans-3054689.php|title=Silent treatment for fans|last=Smith|first=Michelle|work=San Francisco Examiner|date=July 8, 2000|access-date=March 28, 2020}}</ref><ref>{{cite web |url=http://www.clash.com/schedule/index.html |title=San Jose Clash - Rip the Net! |website=www.clash.com |access-date=12 January 2022 |archive-url=https://web.archive.org/web/19981207002003/http://www.clash.com/schedule/index.html |archive-date=7 December 1998 |url-status=dead}}</ref> However, the number of Giants games on the station declined from 81 home games in 1999 and 2000 to 40 in 2001 due to the Giants' inability to find advertisers.<ref>{{cite web|url=https://www.sfchronicle.com/sports/article/Missing-in-translation-Spanish-baseball-2566011.php|title=Missing in translation / Spanish baseball broadcasts a tough sell in Bay Area|last=Ortiz|first=Jorge L.|work=San Francisco Chronicle|date=July 10, 2003|access-date=March 28, 2020}}</ref> After a hiatus, KZSF resumed Spanish broadcasts of Earthquakes games in 2004 and 2005 before resuming the broadcasts long term beginning in 2010.<ref>{{cite web|url=https://www.sjearthquakes.com/post/2010/03/24/english-and-spanish-broadcasts-2010|title=English and Spanish Broadcasts in 2010|publisher=San Jose Earthquakes|date=March 24, 2010|access-date=March 29, 2020}}</ref><ref>{{cite web|url=https://www.sjearthquakes.com/post/2013/02/12/kliv-kzsf-return-earthquakes-broadcast-partners|title=KLIV, KZSF return as Earthquakes broadcast partners|publisher=San Jose Earthquakes|date=February 12, 2013|access-date=March 29, 2020}}</ref><ref name="Earthquakes 2018"/>


Until April 2002, KZSF was branded "1370 AM La Z."<ref>https://web.archive.org/web/20020422095151/http://www.1370am.com/</ref> In May 2002, KZSF changed its branding to "La Kaliente."<ref>{{Cite web |url=http://www.1370am.com/ |title=Archived copy |access-date=2002-05-25 |archive-date=2002-05-25 |archive-url=https://web.archive.org/web/20020525093626/http://www.1370am.com/ |url-status=live }}</ref>
Until April 2002, KZSF was branded "1370 AM La Z."<ref>{{cite web |url=http://www.1370am.com/ |title=1370 AM la Z |website=www.1370am.com |access-date=12 January 2022 |archive-url=https://web.archive.org/web/20020422095151/http://www.1370am.com/ |archive-date=22 April 2002 |url-status=dead}}</ref> In May 2002, KZSF changed its branding to "La Kaliente."<ref>{{Cite web |url=http://www.1370am.com/ |title=La Kaliente |access-date=2002-05-25 |archive-date=2002-05-25 |archive-url=https://web.archive.org/web/20020525093626/http://www.1370am.com/ |url-status=live }}</ref>


From 2004 to 2005, KZSF broadcast [[Oakland Raiders]] games in Spanish, before those broadcasts moved to [[KLOK (AM)|KLOK]] in 2006.<ref>https://web.archive.org/web/20041211095651/http://raidersenespanol.com/multimedia/radio.jsp</ref><ref>https://web.archive.org/web/20060908085430/http://www.raidersenespanol.com/multimedia/radio.jsp</ref> KZSF rejoined the Oakland A's Radio Network in 2005, broadcasting 48 games in Spanish.<ref>{{cite web|url=https://www.sfchronicle.com/sports/shea/article/A-S-NOTEBOOK-Team-sale-won-t-be-delayed-by-2723093.php|title=A'S NOTEBOOK / Team sale won't be delayed by House steroid hearings|work=San Francisco Chronicle|date=March 16, 2005|access-date=March 29, 2020|archive-url=https://web.archive.org/web/20050419161608/http://www.sfgate.com/cgi-bin/article.cgi?file=%2Fchronicle%2Farchive%2F2005%2F03%2F16%2FSPGGEBQ3MO1.DTL|archive-date=April 19, 2005|url-status=live}}</ref> KZSF resumed broadcasting Raiders games in Spanish from 2009 to 2010.<ref>{{cite web|url=https://www.raiders.com/news/raiders-team-up-with-la-kaliente-710861|title= Raiders Team Up with La Kaliente |publisher=Oakland Raiders|date=July 28, 2009|access-date=March 29, 2020}}</ref><ref>{{cite web|url=https://www.raiders.com/news/raiders-se-enfocan-en-delfines-3078868|title= Raiders Se Enfocan En Delfines |publisher=Oakland Raiders|date=November 23, 2010|access-date=March 29, 2020|language=es}}</ref>
From 2004 to 2005, KZSF broadcast [[Oakland Raiders]] games in Spanish, before those broadcasts moved to [[KLOK (AM)|KLOK]] in 2006.<ref>{{cite web |url=http://raidersenespanol.com/multimedia/radio.jsp |title=Oakland Raiders |website=raidersenespanol.com |access-date=12 January 2022 |archive-url=https://web.archive.org/web/20041211095651/http://raidersenespanol.com/multimedia/radio.jsp |archive-date=11 December 2004 |url-status=dead}}</ref><ref>{{cite web |url=http://www.raidersenespanol.com/multimedia/radio.jsp |title=Oakland Raiders |website=www.raidersenespanol.com |access-date=12 January 2022 |archive-url=https://web.archive.org/web/20060908085430/http://www.raidersenespanol.com/multimedia/radio.jsp |archive-date=8 September 2006 |url-status=dead}}</ref> KZSF rejoined the Oakland A's Radio Network in 2005, broadcasting 48 games in Spanish.<ref>{{cite web|last=Shea|first=John|url=https://www.sfchronicle.com/sports/shea/article/A-S-NOTEBOOK-Team-sale-won-t-be-delayed-by-2723093.php|title=A'S NOTEBOOK / Team sale won't be delayed by House steroid hearings|work=San Francisco Chronicle|date=March 16, 2005|access-date=March 29, 2020|archive-url=https://web.archive.org/web/20050419161608/http://www.sfgate.com/cgi-bin/article.cgi?file=%2Fchronicle%2Farchive%2F2005%2F03%2F16%2FSPGGEBQ3MO1.DTL|archive-date=April 19, 2005|url-status=live}}</ref> KZSF resumed broadcasting Raiders games in Spanish from 2009 to 2010.<ref>{{cite web|url=https://www.raiders.com/news/raiders-team-up-with-la-kaliente-710861|title= Raiders Team Up with La Kaliente |publisher=Oakland Raiders|date=July 28, 2009|access-date=March 29, 2020}}</ref><ref>{{cite web|url=https://www.raiders.com/news/raiders-se-enfocan-en-delfines-3078868|title= Raiders Se Enfocan En Delfines |publisher=Oakland Raiders|date=November 23, 2010|access-date=March 29, 2020|language=es}}</ref>


On October 9, 2010, KZSF went off the air after a grass fire burned down KZSF's transmitter that it shared with Vietnamese-language [[KSJX]] on Wooster Avenue near an [[Eggo]] factory and [[U.S. Route 101]] in central San Jose.<ref>{{cite web|url=https://abc7news.com/archive/7716794/|title=Fire knocks out two San Jose radio signals|last=Vega|first=Cecilia|work=ABC7News.com|publisher=KGO-TV|archive-url=https://web.archive.org/web/20101023015606/http://abclocal.go.com/kgo/story?section=news%2Flocal%2Fsouth_bay&id=7716794|archive-date=October 23, 2010|date=October 10, 2010|access-date=April 18, 2020|url-status=dead}} Video for this story is available [https://archive.org/details/KGO_20101011_000000_ABC_7_News/start/12/end/187 here] via the Internet Archive.</ref> KZSF broadcast under a [[special temporary authority]] with an emergency transmitter from October 25, 2010, until rebuilding the Wooster Avenue transmitter and officially renewing its license on November 26, 2013.<ref>http://licensing.fcc.gov/cgi-bin/prod/cdbs/forms/prod/getimportletter_exh.cgi?import_letter_id=36768</ref><ref>http://licensing.fcc.gov/cgi-bin/prod/cdbs/forms/prod/getimportletter_exh.cgi?import_letter_id=42577</ref><ref>http://licensing.fcc.gov/prod/cdbs/pubacc/Auth_Files/1565701.pdf</ref>
On October 9, 2010, KZSF went off the air after a grass fire burned down KZSF's transmitter that it shared with Vietnamese-language [[KSJX]] on Wooster Avenue near an [[Eggo]] factory and [[U.S. Route 101]] in central San Jose.<ref>{{cite web|url=https://abc7news.com/archive/7716794/|title=Fire knocks out two San Jose radio signals|last=Vega|first=Cecilia|work=ABC7News.com|publisher=KGO-TV|archive-url=https://web.archive.org/web/20101023015606/http://abclocal.go.com/kgo/story?section=news%2Flocal%2Fsouth_bay&id=7716794|archive-date=October 23, 2010|date=October 10, 2010|access-date=April 18, 2020|url-status=dead}} Video for this story is available [https://archive.org/details/KGO_20101011_000000_ABC_7_News/start/12/end/187 here] via the Internet Archive.</ref> KZSF broadcast under a [[special temporary authority]] with an emergency transmitter from October 25, 2010, until rebuilding the Wooster Avenue transmitter and officially renewing its license on November 22, 2013.<ref>{{cite web|url=https://licensing.fcc.gov/cgi-bin/prod/cdbs/forms/prod/getimportletter_exh.cgi?import_letter_id=22176|title=Special Temporary Authority|work=Federal Communications Commission|date=October 25, 2010|access-date=January 1, 2024}}</ref><ref>{{cite web|url= https://licensing.fcc.gov/cgi-bin/ws.exe/prod/cdbs/forms/prod/cdbsmenu.hts?context=25&appn=101564604&formid=303&fac_num=68841|title= Application For Renewal of Broadcast Station License|work= Federal Communications Commission|date=November 22, 2013|access-date=January 1, 2024}}</ref>


==Programming==
==Programming==
On weekdays, KZSF broadcasts a variety of Mexican music, including a nightly program dedicated to [[corrido]]s and [[ranchera]], along with Spanish-language public affairs, advice, and sports talk shows.<ref>{{cite web|url=https://lakaliente1370am.com/horario/|title=Programacion|publisher=La Kaliente 1370 AM|access-date=March 29, 2020|language=es}}</ref> Celina Rodriguez, a former news anchor for local TV stations [[KDTV]] and [[KSTS]], has hosted a talk show on KZSF since 2006.<ref>{{cite web|url=https://www.eastbaytimes.com/2006/10/02/popular-anchor-moving-to-radio/|title=Popular anchor moving to radio|work=San Jose Mercury News|date=October 2, 2006|access-date=March 29, 2020}}</ref><ref>{{cite web|url=https://www.ktvu.com/news/spanish-radio-host-using-airwaves-to-inform-how-to-help-those-suffering-from-mexico-city-quake|title=Spanish radio host using airwaves to inform how to help those suffering from Mexico City quake|publisher=KTVU|access-date=March 29, 2020|date=September 20, 2017}}</ref> Additionally, KZSF carries Spanish-language broadcasts of [[San Jose Earthquakes]] games.<ref name="Earthquakes 2018">{{cite web|url=https://www.sjearthquakes.com/post/2018/02/28/news-knbr-1050-1370-kzsf-continue-home-quakes-radio-broadcasts|title=NEWS: KNBR 1050, 1370 KZSF to Continue as Home for Quakes Radio Broadcasts|publisher=San Jose Earthquakes|date=February 28, 2018|access-date=March 29, 2020}}</ref>
On weekdays, KZSF broadcasts a variety of Mexican music, including a nightly program dedicated to [[corrido]]s and [[ranchera]], along with Spanish-language public affairs, advice, and sports talk shows.<ref>{{cite web|url=https://lakaliente1370am.com/horarios/|title=Horarios|publisher=La Kaliente 1370 AM|access-date=June 4, 2023|language=es|archiveurl=https://web.archive.org/web/20230114143248/https://lakaliente1370am.com/horarios/|archivedate=January 14, 2023|url-status=dead}}</ref> Celina Rodriguez, a former news anchor for local TV stations [[KDTV]] and [[KSTS]], has hosted a talk show on KZSF since 2006.<ref>{{cite web|last=Corcoran|first=Katherine|url=https://infoweb.newsbank.com/apps/news/openurl?ctx_ver=z39.88-2004&rft_id=info%3Asid/infoweb.newsbank.com&svc_dat=AMNEWS&req_dat=0D10F2CADB4B24C0&rft_val_format=info%3Aofi/fmt%3Akev%3Amtx%3Actx&rft_dat=document_id%3Anews%252F114A8D368DD3DF08|title=Popular TV journalist switches to radio, hosting Bay Area show in Spanish|work=San Jose Mercury News|date=October 7, 2006|access-date=May 30, 2023|page=1B|via=NewsBank}}</ref><ref>{{cite web|url=https://www.ktvu.com/news/spanish-radio-host-using-airwaves-to-inform-how-to-help-those-suffering-from-mexico-city-quake|title=Spanish radio host using airwaves to inform how to help those suffering from Mexico City quake|publisher=KTVU|access-date=March 29, 2020|date=September 20, 2017}}</ref> Additionally, KZSF carries Spanish-language broadcasts of [[San Jose Earthquakes]] games.<ref name="Earthquakes 2018">{{cite web|url=https://www.sjearthquakes.com/post/2018/02/28/news-knbr-1050-1370-kzsf-continue-home-quakes-radio-broadcasts|title=NEWS: KNBR 1050, 1370 KZSF to Continue as Home for Quakes Radio Broadcasts|publisher=San Jose Earthquakes|date=February 28, 2018|access-date=March 29, 2020}}</ref>


==References==
==References==
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==External links==
==External links==
{{AM station data|KZSF}}
{{AM station data|68841|KZSF}}


{{San Jose Radio}}
{{San Jose Radio}}
⚫
{{San Jose Earthquakes}}


[[Category:Radio stations in California|ZSF]]
[[Category:Radio stations in California|ZSF]]
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[[Category:1947 establishments in California]]
[[Category:1947 establishments in California]]
[[Category:Mass media in San Jose, California]]
[[Category:Mass media in San Jose, California]]
[[Category:California Golden Seals broadcasters]]
[[Category:San Jose Earthquakes]]
[[Category:San Jose State Spartans football broadcasters]]
[[Category:San Jose State Spartans men's basketball]]
[[Category:Santa Clara Broncos football]]
[[Category:Santa Clara Broncos men's basketball]]
⚫
[[Category:San Jose Earthquakes broadcasters]]
[[Category:Oakland Raiders announcers]]

Latest revision as of 11:15, 24 July 2024

KZSF
Broadcast areaSan Francisco Bay Area
Frequency1370 kHz
BrandingLa Kaliente
Programming
FormatRegional Mexican
AffiliationsSan Jose Earthquakes
Ownership
OwnerCarlos A. Duharte
History
First air date
June 21, 1947; 77 years ago (1947-06-21) (as KEEN)
Former call signs
KEEN (1947–1993)
KKSJ (1993–1998)
Call sign meaning
Previous "Z" branding, San Francisco
Technical information[1]
Licensing authority
FCC
Facility ID68841
ClassB
Power5,000 watts
Transmitter coordinates
37°21′28″N 121°52′17″W / 37.35778°N 121.87139°W / 37.35778; -121.87139
Links
Public license information
WebcastListen Live
Websitelakaliente1370am.com

KZSF (1370 AM) is a broadcast radio station in the United States. Licensed to San Jose, California, KZSF serves the San Francisco Bay Area and has a regional Mexican music format branded "La Kaliente 1370 AM." The station has been owned by Carlos A. Duharte since 2001.

For much of its history, KZSF has been a music radio station. Founded by George Mardikian and United Broadcasting Company, the station signed on with call sign KEEN in 1947 and operated out of the historic Hotel De Anza in San Jose for its first 27 years. After beginning with a general full service format, KEEN became a country and western station in the mid-1950s and would retain that format for over 35 years, with performers such as Red Murrell and Foy Willing among its on-air hosts. KEEN also featured live sports coverage; it broadcast the San Jose State Spartans and Santa Clara Broncos in the late 1950s and throughout the 1960s and the Oakland Athletics during the early to mid-1970s.

In 1993, KEEN went silent for several months after losing its transmitter license and returned to the air in 1994 as KKSJ and a pop standards format branded "Magic 1370." Founding owner United Broadcasting sold the station in 1997. After one year with an Asian ethnic format, KKSJ became KZSF in 1998 and took on its present regional Mexican music format. KZSF would be sold twice more in the late 1990s before finally being purchased by Duharte in 2001.

History

[edit]

As KEEN (1947–1993)

[edit]

Founded by United Broadcasting Company, whose president was George Mardikian, KZSF came on the air in 1947 as a 1,000 watt station with call sign KEEN and a transmitter on a North San Jose orchard near the town border with Milpitas.[2][3] KEEN was first granted a construction permit by the Federal Communications Commission (FCC) in 1945.[4][5] At 8 p.m. on June 21, 1947, KEEN's grand opening broadcast took place at the Hotel De Anza in Downtown San Jose and featured comedian Red Skelton.[2] Two months later, KEEN was officially licensed by the FCC on August 21.[4] In its early years, KEEN broadcast a full service format with popular music, news, and sports.[6] Programming included news from the United Press,[3] Saturday night barn dances,[7] and University of Santa Clara baseball games.[8] By 1954, KEEN had a country and western music format featuring hosts like Red Murrell, Cal Smith, and Foy Willing.[6][2][9][10] KEEN began broadcasting San Jose State College football games in 1953.[11]

On September 19, 1957, KEEN was granted a license for a new transmitter with a stronger daytime broadcasting power of 5,000 watts.[4] By 1960, KEEN added San Jose State basketball.[12] The following year, KEEN began broadcasting select Santa Clara basketball games.[13]

In 1963, United Broadcasting launched a sister station that played pop standards, KEEN-FM, on 100.3 MHz.[6][14] KEEN began broadcasting at its current power level of 5,000 watts at both day and night on August 26, 1964.[4] By 1966, KEEN began playing selections from comedy records in addition to country music.[14] The two KEEN stations no longer shared call letters in 1967, as KEEN-FM became KBAY.[15] KEEN expanded its live sports play-by-play to include Santa Clara football in 1969.[16]

The 1970s marked several changes for KEEN. Murrell left KEEN in 1970 after 16 years.[9][17] After the 1970–71 season, KEEN phased out its live college sports coverage in favor of pro sports. Santa Clara sports broadcasts moved to Los Altos FM station KPEN,[18] and San Jose State broadcasts also moved to FM on Santa Clara's KREP.[19] From 1971 to 1975, KEEN was the flagship station of the Oakland A's Radio Network.[20] KEEN also broadcast California Golden Seals games until the team moved out of the Bay Area in 1976.[21] After over 25 years operating out of Hotel De Anza, United Broadcasting moved the KEEN and KBAY to West San Jose in 1974, on the top floor of the Golden Pacific Building at Winchester Boulevard.[6]

By 1976, KEEN began playing newer country singles on weekday afternoons while focusing on classic country for the rest of the day.[22] Following a request filed in 1979, the FCC approved the relocation of KEEN's studios to Campbell in 1982.[4][23]

By January 1992, KEEN faced declining ratings and advertising revenue due to competition from FM stations, including new FM country station KRTY.[24][25] These factors led United Broadcasting to announce that KEEN would be a simulcast of easy listening FM sister station KBAY.[24] However, following much feedback from listeners and advertisers, United Broadcasting reversed this decision.[26] However, beginning April 1 that year, KEEN cut its on-air staff to three hosts during daytime hours and broadcast syndicated music by satellite in other time slots.[27] KEEN went off the air on January 1, 1993, after losing its transmitter lease a month earlier as the city of San Jose planned to build nearly 250 houses in the area.[28][29]

As KKSJ (1993–1998)

[edit]

On October 11, 1993, KEEN became KKSJ.[5][25] After United Broadcasting made an arrangement for KKSJ to share the transmitter site near U.S. Highway 101, a Union Pacific Railroad overpass, and an Eggo factory with fellow San Jose AM station KSJX, KKSJ resumed broadcasting in 1994 with the brand "Magic 1370" and a pop standards format inspired by the former "Magic 61" brand of San Francisco's KFRC.[29][25] "Magic 1370" had a playlist from a 1,700-song library, including nearly 175 Frank Sinatra songs and others by artists including Ella Fitzgerald and Tony Bennett.[25] Jim Lange, former KFRC DJ and host of The Dating Game, joined KKSJ as a weekend host.[30]

KKSJ rose from being unranked in the winter 1994 Arbitron Bay Area ratings to a 2.9 share by the fall of 1994.[25] Lange left KKSJ in 1996.[31]

In January 1997, United Broadcasting sold KKSJ and KBAY to American Radio Systems for a combined $31.2 million.[32] American Radio subsequently laid off two hosts and dropped the locally programmed music for the syndicated Stardust music service.[33] American Radio sold KKSJ to Douglas Broadcasting for $3.2 million in June 1997 and changed it to an Asian ethnic format with Vietnamese and Cantonese programming.[34][35]

As KZSF (1998–present)

[edit]

On January 20, 1998, the station changed its call sign to the current KZSF and entered a local marketing agreement to be a San Francisco Bay Area affiliate of Amador Bustos's Z-Spanish Radio Network of regional Mexican music stations, alongside sister station KZSF-FM in Alameda.[36][37][38] Bustos bought KZSF and five other stations from Douglas Broadcasting for $27 million in June 1998.[39][40] For the first time since 1982 as KEEN, KZSF operated in San Jose, with a new location at Wooster Avenue near North San Jose.[41] In June 2001, Carlos Duharte bought KZSF for $5 million and relocated the station to Tisch Way in West San Jose.[42][43]

With its 1998 change to regional Mexican, KZSF added Spanish-language broadcasts of local sports teams, the San Francisco Giants baseball team and San Jose Clash (later Earthquakes) soccer team.[44][45] However, the number of Giants games on the station declined from 81 home games in 1999 and 2000 to 40 in 2001 due to the Giants' inability to find advertisers.[46] After a hiatus, KZSF resumed Spanish broadcasts of Earthquakes games in 2004 and 2005 before resuming the broadcasts long term beginning in 2010.[47][48][49]

Until April 2002, KZSF was branded "1370 AM La Z."[50] In May 2002, KZSF changed its branding to "La Kaliente."[51]

From 2004 to 2005, KZSF broadcast Oakland Raiders games in Spanish, before those broadcasts moved to KLOK in 2006.[52][53] KZSF rejoined the Oakland A's Radio Network in 2005, broadcasting 48 games in Spanish.[54] KZSF resumed broadcasting Raiders games in Spanish from 2009 to 2010.[55][56]

On October 9, 2010, KZSF went off the air after a grass fire burned down KZSF's transmitter that it shared with Vietnamese-language KSJX on Wooster Avenue near an Eggo factory and U.S. Route 101 in central San Jose.[57] KZSF broadcast under a special temporary authority with an emergency transmitter from October 25, 2010, until rebuilding the Wooster Avenue transmitter and officially renewing its license on November 22, 2013.[58][59]

Programming

[edit]

On weekdays, KZSF broadcasts a variety of Mexican music, including a nightly program dedicated to corridos and ranchera, along with Spanish-language public affairs, advice, and sports talk shows.[60] Celina Rodriguez, a former news anchor for local TV stations KDTV and KSTS, has hosted a talk show on KZSF since 2006.[61][62] Additionally, KZSF carries Spanish-language broadcasts of San Jose Earthquakes games.[49]

References

[edit]
  1. ^ "Facility Technical Data for KZSF". Licensing and Management System. Federal Communications Commission.
  2. ^ a b c "KEEN radio, San Jose Grand Opening Broadcast". Bay Area Radio Museum. 10 August 2014. Retrieved March 27, 2020.
  3. ^ a b "Directory of standard broadcasting stations in the United States" (PDF), Broadcasting Telecasting 1948 Yearbook Number, Washington, DC: Broadcasting Publications, p. 92, 1948, retrieved March 27, 2020 – via AmericanRadioHistory.com
  4. ^ a b c d e History Cards for KZSF, fcc.gov. Retrieved June 22, 2018.
  5. ^ a b "KZSF". FCCdata.org. Retrieved January 1, 2024.
  6. ^ a b c d Beilharz, Edwin A.; DeMers, Donald O. Jr. (1980), "KBAY/KEEN: Broadcasting to serve their community", San Jose: California's First City, Tulsa, Oklahoma: Continental Heritage Press, ISBN 0932986137 – via Google Books
  7. ^ "'540' boys to play for barn dance", Spartan Daily, San Jose State College, p. 2, January 16, 1948, retrieved March 27, 2020
  8. ^ Winklebleck, Sam H. (March 9, 1949), "The Bull Pen", The Santa Clara, University of Santa Clara, retrieved March 27, 2020
  9. ^ a b Singleton, Jill M.; Holmes, Philip (2011). Centerville, Fremont. Charleston, South Carolina: Arcadia Publishing. p. 113. ISBN 9780738581774 – via Google Books.
  10. ^ Manheim, James. "Cal Smith". Allmusic. Retrieved March 27, 2020.
  11. ^ "Radio Log". San Jose Mercury. September 18, 1953. p. 13. Retrieved July 9, 2024 – via Newslibrary.
  12. ^ "KEEN airs tilts", Spartan Daily, vol. 48, no. 45, San Jose State College, p. 4, December 2, 1960, retrieved March 27, 2020
  13. ^ "Holiday Games Feature WCAC Tourney at SF", The Santa Clara, University of Santa Clara, p. 7, December 14, 1961, retrieved March 27, 2020
  14. ^ a b "Stations by format", Billboard, vol. 78, no. 13, p. 26, March 26, 1966
  15. ^ "Call letter actions" (PDF), Broadcasting, vol. 72, no. 11, p. 84, March 13, 1967, retrieved March 27, 2020 – via AmericanRadioHistory.com
  16. ^ Merolla, Vic (October 24, 1969), "Broncs Face Long Beach State Tough Offense and Defense", The Santa Clara, University of Santa Clara, p. 1, retrieved March 27, 2020
  17. ^ Haslam, Gerald W.; Russell, Alexandra Haslam; Chon, Richard (1999). Workin' Man Blues: Country Music in California. Berkeley, California: University of California Press. p. 140. ISBN 9780520275058 – via Google Books.
  18. ^ Chipp, Steve (October 8, 1971), "Defense Prepares For Rebel Attack", The Santa Clara, University of Santa Clara, p. 4, retrieved March 27, 2020
  19. ^ Osterman, Tim (October 8, 1971), "Spartans try Long Beach in crucial PCAA encounter", Spartan Daily, San Jose State College, p. 7, retrieved March 27, 2020
  20. ^ "Oakland Athletics Baseball On The Radio". Bay Area Radio Museum. 13 August 2014.
  21. ^ "California Golden Seals Radio Coverage Map (1974-75)". Bay Area Radio Museum. 9 August 2014.
  22. ^ Burns, Robert (March 9, 1976), "Radio stations offer variety", Spartan Daily, San Jose State University, p. 5, retrieved March 27, 2020
  23. ^ "Public Notice Comment". Federal Communications Commission. Retrieved January 1, 2024.
  24. ^ a b Weimers, Leigh (January 22, 1992). "KEEN's country gets the shaft". San Jose Mercury News. p. 1D. Retrieved March 27, 2020 – via Newsbank.
  25. ^ a b c d e Boehlert, Eric (March 25, 1995), "Revived Station Trades Country Tunes for Sinatra", Billboard, retrieved March 27, 2020 – via Google Books
  26. ^ Weimers, Leigh (January 31, 1992). "KEEN is back in the saddle again". p. 1D. Retrieved March 27, 2020 – via Newsbank.
  27. ^ Weimers, Leigh (March 27, 1992). "Place your bets: Do casinos help economy or not?". San Jose Mercury News. p. 1E. Retrieved March 27, 2020 – via Newsbank.
  28. ^ Weimers, Leigh (December 18, 1992). "Country fans do a two-step with luck, good and bad". San Jose Mercury News. p. 1D. Retrieved March 27, 2020 – via Newsbank.
  29. ^ a b "KEEN radio, San Jose, Transmitter Site circa 1976". Bay Area Radio Museum. 9 August 2014. Retrieved March 29, 2020.
  30. ^ Kava, Brad (August 12, 1994). "Jim Lange has a date in San Jose". San Jose Mercury News. p. Eye 20. Retrieved March 27, 2020 – via Newsbank.
  31. ^ Kava, Brad (January 28, 1997). "KABL tunes into big-band format and adds big-name DJs". San Jose Mercury News. p. 10E. Retrieved March 27, 2020 – via Newsbank.
  32. ^ "Station & Cable Trading" (PDF), Broadcasting & Cable, vol. 127, no. 5, p. 32, February 3, 1997 – via AmericanRadioHistory.com
  33. ^ Kava, Brad. "Pondering local moves by corporate radio". San Jose Mercury News. p. Eye 20. Retrieved March 27, 2020 – via Newsbank.
  34. ^ "Transaction Digest" (PDF), Radio Business Report, vol. 14, no. 26, June 30, 1997, retrieved March 27, 2020 – via AmericanRadioHistory.com
  35. ^ Kava, Brad (June 6, 1997). "KKSJ changes format - Sorkin wants new home". San Jose Mercury News. p. Eye 26. Retrieved March 27, 2020 – via Newsbank.
  36. ^ "KZSF Call Sign History". Federal Communications Commission.
  37. ^ "Format Changes & Updates" (PDF). The M Street Journal. January 14, 1998. p. 1. Retrieved March 27, 2020 – via AmericanRadioHistory.com.
  38. ^ "Radio Stations". Z-Spanish Radio Network. Archived from the original on July 3, 1998. Retrieved March 27, 2020.
  39. ^ "Dealing for Dollars: TV and radio top sellers in 1998" (PDF), Broadcasting & Cable, vol. 129, no. 7, p. 55, February 15, 1999, retrieved March 28, 2020 – via AmericanRadioHistory.com
  40. ^ "Z-Spanish merging with Achievement Radio Holdings" (PDF), Broadcasting & Cable, vol. 128, no. 28, p. 48, July 6, 1998, retrieved March 28, 2020 – via AmericanRadioHistory.com
  41. ^ Broadcasting & Cable Yearbook 1999 (PDF). New Providence, New Jersey: R.R. Bowker. 1999. p. D-61. ISBN 0835241114 – via AmericanRadioHistory.com.
  42. ^ Seyler, Dave; Messmer, Dave (July 2, 2001), "Transaction Digest" (PDF), Radio Business Report, vol. 18, no. 27, p. 14, retrieved March 28, 2020 – via AmericanRadioHistory.com
  43. ^ Broadcasting & Cable Yearbook 2001 (PDF). New Providence, New Jersey: Bowker. 2001. p. D-62. ISBN 0835243869 – via AmericanRadioHistory.com.
  44. ^ Smith, Michelle (July 8, 2000). "Silent treatment for fans". San Francisco Examiner. Retrieved March 28, 2020.
  45. ^ "San Jose Clash - Rip the Net!". www.clash.com. Archived from the original on 7 December 1998. Retrieved 12 January 2022.
  46. ^ Ortiz, Jorge L. (July 10, 2003). "Missing in translation / Spanish baseball broadcasts a tough sell in Bay Area". San Francisco Chronicle. Retrieved March 28, 2020.
  47. ^ "English and Spanish Broadcasts in 2010". San Jose Earthquakes. March 24, 2010. Retrieved March 29, 2020.
  48. ^ "KLIV, KZSF return as Earthquakes broadcast partners". San Jose Earthquakes. February 12, 2013. Retrieved March 29, 2020.
  49. ^ a b "NEWS: KNBR 1050, 1370 KZSF to Continue as Home for Quakes Radio Broadcasts". San Jose Earthquakes. February 28, 2018. Retrieved March 29, 2020.
  50. ^ "1370 AM la Z". www.1370am.com. Archived from the original on 22 April 2002. Retrieved 12 January 2022.
  51. ^ "La Kaliente". Archived from the original on 2002-05-25. Retrieved 2002-05-25.
  52. ^ "Oakland Raiders". raidersenespanol.com. Archived from the original on 11 December 2004. Retrieved 12 January 2022.
  53. ^ "Oakland Raiders". www.raidersenespanol.com. Archived from the original on 8 September 2006. Retrieved 12 January 2022.
  54. ^ Shea, John (March 16, 2005). "A'S NOTEBOOK / Team sale won't be delayed by House steroid hearings". San Francisco Chronicle. Archived from the original on April 19, 2005. Retrieved March 29, 2020.
  55. ^ "Raiders Team Up with La Kaliente". Oakland Raiders. July 28, 2009. Retrieved March 29, 2020.
  56. ^ "Raiders Se Enfocan En Delfines" (in Spanish). Oakland Raiders. November 23, 2010. Retrieved March 29, 2020.
  57. ^ Vega, Cecilia (October 10, 2010). "Fire knocks out two San Jose radio signals". ABC7News.com. KGO-TV. Archived from the original on October 23, 2010. Retrieved April 18, 2020. Video for this story is available here via the Internet Archive.
  58. ^ "Special Temporary Authority". Federal Communications Commission. October 25, 2010. Retrieved January 1, 2024.
  59. ^ "Application For Renewal of Broadcast Station License". Federal Communications Commission. November 22, 2013. Retrieved January 1, 2024.
  60. ^ "Horarios" (in Spanish). La Kaliente 1370 AM. Archived from the original on January 14, 2023. Retrieved June 4, 2023.
  61. ^ Corcoran, Katherine (October 7, 2006). "Popular TV journalist switches to radio, hosting Bay Area show in Spanish". San Jose Mercury News. p. 1B. Retrieved May 30, 2023 – via NewsBank.
  62. ^ "Spanish radio host using airwaves to inform how to help those suffering from Mexico City quake". KTVU. September 20, 2017. Retrieved March 29, 2020.
[edit]
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