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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.
Radio-controlled watches require no setting of time and date, or daylight saving time adjustments, as they attempt automatic synchronization several times every night. [1] Without synchronisation, Wave Ceptors, like other commercial quartz timepieces, are typically accurate to ± 15 seconds per month; daily synchronization ensures 500 ms accuracy.
In 1986, Kienzle developed the first solar watch with light conditions and a polycrystalline solar element. In the early 1990s, Kienzle developed the most water-resistant watch in the world which was resistant up to 12,000 metres. They also developed the world's first radio-controlled atomic alarm clock with an analogue alarm setting.
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 ...
The Skyhawk A-T line features radio-controlled timekeeping. The watches can synchronize with radio clocks in Japan, North America, and Europe, automatically selecting the correct frequency by location. The watch actually tracks two time zones—home and world—but synchronizes to the 'home' zone. When traveling, the user may swap the 'home ...
Quartz clocks and quartz watches are timepieces that use an electronic oscillator regulated by a quartz crystal to keep time. This crystal oscillator creates a signal with very precise frequency , so that quartz clocks and watches are at least an order of magnitude more accurate than mechanical clocks .
Free online radio stations. There are several other online stations playing Christmas music around the clock for free: The Christmas Station. Evergreen Radio. iHeart Christmas. AccuRadio. Live365 ...
The Multi-Band 6 is a radio control technology first introduced on the GW9200 Riseman in 2008 [60] and is a successor to the Multi-Band 5 (which supported synchronisation with five atomic time transmitters around the world) and Wave Ceptor (which supported synchronisation with atomic time transmitters present in the United States and Japan only ...
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