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Raymond A. Litke (1920-1986) was an American electronic engineer, the inventor of a practical wireless microphone, and the first to patent the wireless microphone.He was born and raised on a farm near Alma, Kansas, but spent most of his adult life in San Jose, California.
Wireless communication Irving " Al " Gross ( / ɡ r oʊ s / ; February 22, 1918 – December 21, 2000) was a pioneer in mobile wireless communication . He created and patented many communications devices, specifically in relation to an early version of the walkie-talkie , [ 1 ] Citizens' Band radio , [ 2 ] the telephone pager [ 2 ] and the ...
Flag football competition in the United Kingdom is, mostly, 5-a-side. There are two main organizations: The adult-only Outlaw Flag League, [40] which run Tournaments from March to October, culminating in playoff and championships. Secondly, the NFFL, The National Flag Football League, organized by The British American Football Association (BAFA ...
Photograph of Charles Herrold's San Jose California radio laboratory, circa 1912. Herrold is standing in the doorway. On January 1, 1909, Herrold opened the Herrold College of Wireless and Engineering, located in the Garden City Bank Building at 50 West San Fernando Street in San Jose, where a huge "umbrella-style" antenna was constructed atop the building.
The American Flag Football League is a semi-professional flag football league started in 2017. The league was founded by Jeff Lewis in May 2017, and played a tournament-style schedule every summer. League players are not paid during the season and most of them are primarily amateurs, instead cash prizes are awarded to the tournament winners. [1]
The legislation was prompted by a shipping accident in 1909, where a single wireless operator saved the lives of 1200 people. [38] June 23, 1910: Charles David Herrold, an electronics instructor in San Jose, California uses high-frequency spark gap technology to transmit audio "wireless phone concerts to local amateur wireless men".
The finer points of flag football vary depending on league and level, but the essential rules are the same as regular football. Teams can score touchdowns, extra points, field goals and safeties.
A 2021 analysis of over 700 million communications logged by the Club Log blog, [18] and a similar review of data logged by the American Radio Relay League, [19] both show that wireless telegraphy is the 2nd most popular mode of amateur radio communication, accounting for nearly 20% of contacts.