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A recording of The Gong numbers station, run by the National People's Army of the German Democratic Republic, from 1988. A numbers station is a shortwave radio station characterized by broadcasts of formatted numbers, which are believed to be addressed to intelligence officers operating in foreign countries. [ 1]
FT8 involves 77-bit message blocks transmitted in regular 15-second periods, consisting of 12.64 seconds of transmission time and 2.36 seconds of decode time, giving a digital data rate of 6.09 bits/sec. Source encoding gives an effective message throughput equivalent to about 5 words per minute.
The 2025 NASCAR Cup Series will be the 77th season for NASCAR professional stock car racing in the United States and the 54th season for the modern-era Cup Series.The season will start with the Busch Clash on February 2 at Bowman Gray Stadium, followed by the Bluegreen Vacations Duel on February 13, and the 67th running of the Daytona 500 (the first points race of the season) on February 16 ...
Poem code. The poem code is a simple and insecure, cryptographic method which was used during World War II by the British Special Operations Executive (SOE) to communicate with their agents in Nazi-occupied Europe. The method works by having the sender and receiver pre-arranging a poem to use. The sender chooses a set number of words at random ...
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The development of a vocoder was started in 1928 by Bell Labs engineer Homer Dudley, [5] who was granted patents for it on March 21, 1939, [6] and Nov 16, 1937. [7]To demonstrate the speech synthesis ability of its decoder section, the voder (voice operating demonstrator) [8] was introduced to the public at the AT&T building at the 1939–1940 New York World's Fair. [9]
Hyphenate all numbers under 100 that need more than one word. For example, $73 is written as “seventy-three,” and the words for $43.50 are “Forty-three and 50/100.”
Correctly identifying words in round one earns $100, $200 in round two, and $500 in round three. Completing a five-number Lingo awards the same payouts as correct words in each round. When a new board is issued to a team, nine numbers are pre-marked. Three words each are played in rounds one and three, while four words are played in round two.