KCAL-TV, channel 9, is an independent television station in Los Angeles, California
Los Angeles, California
Los Angeles , with a population at the 2010 United States Census of 3,792,621, is the most populous city in California, USA and the second most populous in the United States, after New York City. It has an area of , and is located in Southern California...

United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, owned by the CBS Corporation
CBS Corporation
CBS Corporation is an American media conglomerate focused on commercial broadcasting, publishing, billboards and television production, with most of its operations in the United States. The President and CEO of the company is Leslie Moonves. Sumner Redstone, owner of National Amusements, is CBS's...

. KCAL-TV shares its studio facilities with KCBS-TV
KCBS-TV, channel 2, is an owned-and-operated television station of the CBS Television Network, located in Los Angeles, California. KCBS-TV shares its offices and studio facilities with sister station KCAL-TV inside CBS Studio Center in the Studio City section of Los Angeles, and its transmitter...

 (channel 2) inside CBS Studio Center
CBS Studio Center
CBS Studio Center is a television and film studio located in the Studio City district of Los Angeles in the San Fernando Valley. It is located at 4024 Radford Avenue and takes up a triangular piece of land, with the Los Angeles River bisecting the site...

 in the Studio City
Studio City, Los Angeles, California
Studio City is an affluent residential neighborhood within the City of Los Angeles, California in the San Fernando Valley. Studio City expands over four ZIP code areas: 91604 and sections of 91602, 91607 and 90210....

 section of Los Angeles, and its transmitter is located atop Mount Wilson
Mount Wilson (California)
Mount Wilson is one of the better known peaks in the San Gabriel Mountains, part of the Angeles National Forest in Los Angeles County, California. It is the location of the Mount Wilson Observatory and has become the astronomical center of Southern California with and telescopes, and and tall...


KCAL-TV shut down its analog signal, over VHF
Very high frequency
Very high frequency is the radio frequency range from 30 MHz to 300 MHz. Frequencies immediately below VHF are denoted High frequency , and the next higher frequencies are known as Ultra high frequency...

 channel 9, on June 12, 2009 at 1:10 p.m., as part of the DTV transition in the United States
DTV transition in the United States
The DTV transition in the United States was the switchover from analog to exclusively digital broadcasting of free over-the-air television programming...

. The station had been broadcasting its pre-transition digital signal over UHF
Ultra high frequency
Ultra-High Frequency designates the ITU Radio frequency range of electromagnetic waves between 300 MHz and 3 GHz , also known as the decimetre band or decimetre wave as the wavelengths range from one to ten decimetres...

 channel 43, but returned to channel 9 for its post-transition operations.