Charles David "Doc" Herrold (November 16, 1875 – July 1, 1948) was an American inventor and pioneer radio broadcaster, who began experimenting with audio radio transmissions in 1909. Beginning in 1912 he apparently became the first person to make entertainment broadcasts on a regular schedule, from his station in San Jose, California.
Charles David "Doc" Herrold (November 16, 1875 – July 1, 1948) was an American inventor and pioneer radio broadcaster, who began experimenting with audio...
Herrold is a surname of Anglo-Saxon origin, meaning "love of the army". Notable people with the surname include: CharlesHerrold (1875-1948), American...
major site of United States Navy research and technology. In 1909, CharlesHerrold started the first radio station in the United States with regularly...
States still in existence, KCBS (AM) (740 kHz), founded by engineer CharlesHerrold in 1909. As the home of Silicon Valley, the Bay Area is also a technologically...
voice and music by 1906. Charles "Doc" Herrold of San Jose, California sent out broadcasts as early as April 1909 from his Herrold School electronics institute...
to larger audiences. CharlesHerrold started broadcasting in California in 1909 and was carrying audio by the next year. (Herrold's station eventually became...
January 2020. Retrieved 28 April 2020. "Bay Area Radio Museum: The CharlesHerrold Story". 12 August 2014. "U.S. Economic Development Administration:...
conducted by Fessenden, Valdemar Poulsen, Ernst Ruhmer, Quirino Majorana, CharlesHerrold, and Lee de Forest, were hampered by the lack of a technology for amplification...
of narrowcasting came from broadcasting. In the early 20th century, CharlesHerrold designate radio transmissions meant for a single receiver, distinguished...
for Diffie-Hellman-Merkle public key exchange, Marconi Prize winner CharlesHerrold, creator of the first radio station in the world Ted Hoff (Ph.D. 1962)...
broadcasting. For example, CharlesHerrold of San Jose, California sent out broadcasts as early as April 1909 from his Herrold School electronics institute...
earliest known example of this practice occurred in July 1912, when CharlesHerrold in San Jose, California began making weekly radio broadcasts from his...
June 2023. The episode follows Davis (Samuel Blenkin) and Pia (Myha'la Herrold) as they make a true crime documentary in Davis's run-down hometown in...
radiotelephone research included Ernst Ruhmer, Quirino Majorana, Charles "Doc" Herrold, and Lee de Forest. Advances in vacuum tube technology (called "valves"...
Retrieved June 14, 2008. Greb, Gordon and Mike Adams (August 15, 2003). CharlesHerrold, Inventor of Radio Broadcasting. McFarland & Company. p. 129. "About...
received national attention, but far less known at the time was Charles "Doc" Herrold of San Jose, California, who is generally credited with being the...
broadcaster was a Stanford University dropout – former science major Charles David Herrold – who was transmitting regularly scheduled programs starting in...
Schemmel Tile Company is founded in San Jose 1921 San Jose engineer CharlesHerrold, after experimenting with radio broadcasting since 1909, receives a...
became part of widespread culture were transmitted including those by CharlesHerrold in San Jose, California in 1908. Radio hobbyists continued to experiment...
stations operating under Experimental licenses, most prominently by CharlesHerrold in San Jose beginning in 1912, and, beginning in 1920, by Lee de Forest's...
KDKA in November 1920, and CharlesHerrold's series of identifiers from 1909 in San Jose, California: first "This is the Herrold Station" or "San Jose calling"...
radiotelephone research during this period, including Lee de Forest and CharlesHerrold. Despite their best efforts, arc-transmitters would prove to be too...
March – Einar Dessau uses a shortwave radio transmitter in Denmark. CharlesHerrold begins experimental voice transmissions in San Jose. KCBS (AM) (formerly...
recorded its first regular weekly broadcasts in 1912, conducted by CharlesHerrold in San Jose, California. The De Forest Radio Telephone and Telegraph...
England; Michael McGimpsey, politician, in Donaghadee, Ireland Died: CharlesHerrold, 62, American inventor and pioneer radio broadcaster Two days of parliamentary...
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