WWVB Phase-Modulated Clocks (wall clocks, wristwatches, etc.) WWVB Clocks (wall clocks, wristwatches, etc.) The time and frequency receiver products from each manufacturer have been categorized as follows: GPSDO Further, NIST does not endorse any commercial products that may be advertised or available on these sites. NIST does not necessarily endorse the views expressed or the facts presented on these sites. NOTE: We have provided links to these sites because they have information that may be of interest to our users.
Send corrections or additions to: timeinfo The manufacturers are listed alphabetically. If the clock doesn’t receive the WWVB Atomic Signal immediately, wait overnight and it will be set in the morning.The following list of links to manufacturers of time and frequency receivers may be incomplete, and inclusion on the list does not imply endorsement by NIST. In most areas, a signal can be received at night. Wait until the atomic icon stops flashing before continuing with the clock set up. The signal can be received up to 2,000 miles away through the internal antenna in the watch. Collins, Colorado, and transmits the exact time signal continuously at 60 kHz. Easy Set up: If the atomic icon is flashing, the clock is looking for the Atomic signal. ABOUT WWVB (Radio Controlled Time) The NIST (National Institute of Standards and TechnologyTime and Frequency Division) WWVB radio station is located in Ft. The wireless technology means no wire installation is necessary. The sensor can be placed anywhere within 100ft of the receiving unit. Wireless Outdoor Sensor: The Wireless outdoor sensor (included) transmits the outdoor temperature to the Atomic Wall Clock. The Atomic Clock will always be accurate to within one second as it receives daily WWVB updates. NO wire installation needed! Automatically Sets for Daylight Savings Time: When you set up the clock, set the Daylight Savings Time setting to ON Atomic Accuracy: The Atomic clock has a built-in receiver that automatically synchronizes itself with the WWVB radio broadcast by the US Government’s National Institute (NIST) in Fort Collins, Colorado. The sensor can be placed anywhere within 100 feet of the receiving unit. The Wireless Sensor transmits the outdoor temperature to the Sharp Atomic Wall Clock. The Sharp Atomic Clock will always be accurate to within one second as it receives daily WWVB updates. The Sharp Atomic Wall Clock has a built in receiver that automatically synchronizes itself with the WWVB radio broadcast by the US Government ‘s National Institute of Standards and Technology (NIST) in Fort Collins, Colorado. Battery powered: Main unit 3 x AA batteries Sensor 2 x AA batteries (not included).Displays indoor and outdoor temperature – Displays calendar and day of week.Jumbo 3” Tall LCD Time Display – Easy to Read, Easy to Use, Easy to Set up.Wireless Outdoor Sensor: The Wireless outdoor sensor (included) transmits the outdoor temperature to the Atomic Wall Clock.Atomic Accuracy: The Atomic clock has a built-in receiver that automatically synchronizes itself with the WWVB radio broadcast by the US Government’s National Institute (NIST) in Fort Collins, Colorado.Model – SPC1107A Sharp Atomic Clock – Weather Station
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