Chantry Flats to Mt. Wilson

KTTV, virtual and VHF digital channel 11, is a Fox owned-and-operated television station licensed to Los Angeles, California, United States, serving as the network's West Coast flagship outlet. The station is owned by the Fox Television Stations subsidiary of Fox Corporation, as part of a duopoly with MyNetworkTV West Coast flagship KCOP-TV (channel 13).

KNBC, virtual channel 4 (UHF digital channel 36), is an NBC owned-and-operated television station licensed to Los Angeles, California, United States, serving as the network's West Coast flagship outlet. The station is owned by the NBC Owned Television Stations subsidiary of NBCUniversal (itself a subsidiary of Comcast), as part of a duopoly with Corona-licensed Telemundo West Coast flagship KVEA (channel 52).

Mount Wilson is a peak in the San Gabriel Mountains, located within the San Gabriel Mountains National Monument and Angeles National Forest in Los Angeles County, California. With only minor topographical prominence the peak is not naturally noticeable from a distance, although it is easily identifiable due to the large number of antennas near its summit.

KCOP-TV, virtual and VHF digital channel 13, is a MyNetworkTV owned-and-operated television station licensed to Los Angeles, California, United States, serving as the programming service's West Coast flagship outlet. The station is owned by the Fox Television Stations subsidiary of Fox Corporation, as part of a duopoly with Fox West Coast flagship KTTV (channel 11).

KOCE-TV, virtual channel 50 (UHF digital channel 18), is the primary Public Broadcasting Service (PBS) member television station serving Los Angeles, California, United States that is licensed to Huntington Beach. Owned by the Public Media Group of Southern California, it is sister to Los Angeles-licensed educational independent station KCET (channel 28).

KVEA, virtual channel 52 (UHF digital channel 25), is a Telemundo owned-and-operated television station serving Los Angeles, California, United States. Licensed to Corona, it is Telemundo's West Coast flagship station. KVEA is owned by the NBC Owned Television Stations subsidiary of NBCUniversal (itself a subsidiary of Comcast), as part of a duopoly with Los Angeles-licensed NBC West Coast flagship KNBC (channel 4).

KTWV (94.7 MHz) is a commercial FM radio station owned by Entercom. KTWV is located in Los Angeles and broadcasts to the Greater Los Angeles area. Airing an Urban Adult Contemporary radio format branded as "94.7 The Wave", the station has studios on Wilshire Boulevard in the Miracle Mile district of Los Angeles.

KWHY-TV, virtual channel 22 (VHF digital channel 4), is a Spanish-language independent television station licensed to Los Angeles, California, United States. The station is owned by Meruelo Broadcasting as part of a duopoly with Garden Grove-licensed Spanish-language independent KBEH (channel 63); the two stations share channel 4 under a channel sharing agreement.

KSCI, virtual and UHF digital channel 18, is an independent television station serving Los Angeles, California, United States that is licensed to Long Beach. The station is owned by NRJ TV LLC. KSCI's studios are located on South Bundy Drive in West Los Angeles, and its transmitter is located atop Mount Harvard.

The Center for High Angular Resolution Astronomy (CHARA) is an optical interferometric array, owned by Georgia State University (GSU), and located on Mount Wilson, California. It is the most powerful interferometer in the world. Anyone wanting to apply for time at the array can by following the instructions at CHARA’s website.