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Amateur Radio Repeater Coordinators or coordination groups are all volunteers and have no legal authority to assume jurisdictional or regional control in any area where the Federal Communications Commission regulates the Amateur Radio Service. The United States Code of Federal Regulations Title 47 CFR, Part 97, which are the laws in which the ...
The repeating clock was invented by the English cleric and inventor, the Reverend Edward Barlow in 1676. [2]: 206 His innovation was the rack and snail striking mechanism, which could be made to repeat easily and became the standard mechanism used in both clock and watch repeaters ever since. The best kind of repeating clocks were expensive to ...
Lorimer Burst – Observation of the first detected fast radio burst as described by Lorimer in 2006. [1] [failed verification]In radio astronomy, a fast radio burst (FRB) is a transient radio pulse of length ranging from a fraction of a millisecond, for an ultra-fast radio burst, [2] [3] to 3 seconds, [4] caused by some high-energy astrophysical process not yet understood.
Bells that play clock chimes are commonly placed in bell towers and elaborate floor clocks, but may be found any place where a large clock is installed. [ 1 ] The chime is distinct from the striking of the hour on a single bell, although a clock that plays a chime normally plays the associated hour strike as well, while the bell stuck on the ...
The dynamotor took from 1/10 to 1/4 of a second to "spin up" to full power. Police officers were trained to push the microphone button, then pause briefly before speaking; however, sometimes they would forget to wait. Preceding each code with "ten-" gave the radio transmitter time to reach full power.
Time signals on CBC broadcasts may be delayed up to 3 seconds due to network processing delays between the local radio transmitter and the time signal origin in Ottawa. The CBC's predecessor, the Canadian National Railways Radio network , broadcast the time signal over its Ottawa station , CNRO (originally CKCH), at 9 pm daily and also on its ...
Around September 1953, the radio network produced a program titled Salute to the Three Chimes of NBC, which was summarized as "Five very different musical groups play an original composition, based on the NBC chimes, called 'Bing, Bang, Bong: A Fantasy On A Trademark.'" [48] "Let's Go" by Ray Charles (on his 1961 album Genius + Soul = Jazz)
The time from an atomic clock onboard each satellite is encoded into the radio signal; the receiver determines how much later it received the signal than it was sent. To do this, a local clock is corrected to the GPS atomic clock time by solving for three dimensions and time based on four or more satellite signals. [ 11 ]