Charles David 'Doc' Herrold, (November 16, 1875 - 1948) was an American radio broadcasting pioneer. November 16 is the 320th day of the year (321st in leap years) in the Gregorian Calendar, with 45 days remaining. ... 1875 was a common year starting on Friday (see link for calendar). ... 1948 is a leap year starting on Thursday (link will take you to calendar). ...

Born in Fulton, Illinois, Herrold grew up in San Jose, California and attended Stanford University where he studied physics and astronomy. When his electrical manufacturing company in San Francisco was destroyed by the 1906 San Francisco earthquake he moved into teaching, and opened the Herrold College of Wireless and Engineering in San Jose in 1909 to educate wireless operators. Interested in radio to transmit voice signals, he began broadcasting music and entertainment on a regular basis between 1912 and 1917 to fellow radio enthusiasts, using the callsigns FN and SJN. However, in 1917, the US government ordered non-military radio transmissions to cease. Fulton is a city located in Whiteside County, Illinois. ... City nickname: Capital of Silicon Valley Location within Santa Clara County, California Country   State     County United States   California     Santa Clara Mayor Ron Gonzales Area  - Land  - Water 178. ... For other meanings of Stanford, see Stanford (disambiguation). ... This article is about the city in California. ... The San Francisco earthquake of 1906 was a major earthquake at San Francisco, California on the early morning of Wednesday, April 18, 1906. ... 1909 was a common year starting on Friday (see link for calendar). ... 1912 is a leap year starting on Monday. ... 1917 was a common year starting on Monday (see link for calendar). ...

After World War I, Herrold obtained the licence for KQW in 1921, but he was unable to maintain the financial requirements, and the station was sold and moved to San Francisco, later becoming KCBS. Ypres, 1917, in the vicinity of the Battle of Passchendaele. ... KCBS is the radio call sign used by three broadcast stations in the United States: KCBS-TV (Channel 2) is the CBS television affiliate serving the Los Angeles area. ...

However, Herrold did not profit financially from his pioneering work, and later became a repair technician in the Oakland, California school district, and a janitor in a local shipyard. He died in a Hayward, California rest home, aged 73. Aerial view looking west over downtown Oakland, Lake Merritt and the Port of Oakland. ... The city of Hayward highlighted within Alameda County Hayward is a city located in Alameda County, California. ...