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WWVB's Colorado location makes the signal weakest on the U.S. east coast, where urban density also produces considerable interference. In 2009, NIST raised the possibility of adding a second time code transmitter, on the east coast, to improve signal reception there and provide a certain amount of robustness to the overall system should weather or other causes render one transmitter site ...
WWVB; Larimer County, Colorado ... Deep Space Atomic Clock [30] 2019-2021 Hg ion Jet Propulsion Laboratory; La Cañada Flintridge, California
The American station WWVB is the only option for reliable time signals during geomagnetic storms in the Western Arctic, based on WWVB's published pattern maps. If WWVB is not available, those who need precision time transfer may be able to use GPS time transfer instead.
An atomic clock is a clock that measures time by monitoring the resonant frequency of atoms. It is based on atoms having different energy levels . Electron states in an atom are associated with different energy levels, and in transitions between such states they interact with a very specific frequency of electromagnetic radiation .
A modern LF radio-controlled clock. A radio clock or radio-controlled clock (RCC), and often colloquially (and incorrectly [1]) referred to as an "atomic clock", is a type of quartz clock or watch that is automatically synchronized to a time code transmitted by a radio transmitter connected to a time standard such as an atomic clock.
La Crosse Technology introduced the radio-controlled clock, commonly (but incorrectly) called an "atomic clock" after the extremely accurate timepiece behind the radio signal it uses as a reference, into the United States commercial market in 1991. [3] [4] In 2004, the company was awarded a license to sell The Weather Channel branded weather ...
When summer is in full swing and it’s time to switch on the air conditioning, you may find yourself in one of two camps: Complaining the thermostat setting is too cold, or uncomfortably warm ...
The original service (Lyndhurst) was shut down in October 1987, due to a lack of funding The area has since been converted to housing estates with the only hints to the former site at Lyndhurst and the vast antenna arrays for VNG and other radio services ever existing is "Tower Hill Park" and a road called "Towerhill Boulevard".