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- WWVB abstract "WWVB is a NIST time signal radio station near Fort Collins, Colorado, co-located with WWV. WWVB is the station that radio-controlled clocks in most of North America use to synchronize themselves. The 70 kW ERP signal transmitted from WWVB is a continuous 60 kHz carrier wave, the frequency of which is derived from a set of atomic clocks located at the transmitter site, yielding a frequency uncertainty of less than 1 part in 1012. A one-bit-per-second time code, which is based on the IRIG "H" time code format and derived from the same set of atomic clocks, is then modulated onto the carrier wave using pulse width modulation and amplitude-shift keying. A single complete frame of time code begins at the start of each minute, lasts one minute, and conveys the year, day of year, hour, minute, and other information as of the beginning of the minute.While most time signals encode the local time of the broadcasting nation, the United States spans multiple time zones, so WWVB broadcasts the time in Coordinated Universal Time (UTC). Radio-controlled clocks can then apply time zone and daylight saving time offsets as needed to display local time.In 2011, NIST estimated the number of radio clocks and wristwatches equipped with a WWVB receiver at over 50 million.".
- WWVB broadcastArea Mexico.
- WWVB owningCompany National_Institute_of_Standards_and_Technology.
- WWVB thumbnail WWVB_Antenna.jpg?width=300.
- WWVB wikiPageExternalLink 1969.pdf.
- WWVB wikiPageExternalLink 1976.pdf.
- WWVB wikiPageExternalLink radioclock.html.
- WWVB wikiPageExternalLink index.html.
- WWVB wikiPageExternalLink index.php.
- WWVB wikiPageExternalLink wwvb51usb---wwvb-radio-clock-for-the-universal-serial-bus--usb-.htm.
- WWVB wikiPageExternalLink wwvb.cfm.
- WWVB wikiPageExternalLink wwvb.cfm.
- WWVB wikiPageExternalLink wwvb.cfm..
- WWVB wikiPageExternalLink what-time.cfm.
- WWVB wikiPageExternalLink ?buildingID=57178.
- WWVB wikiPageID "325728".
- WWVB wikiPageRevisionID "605808362".
- WWVB available "Canada, United States, Mexico".
- WWVB country "United States".
- WWVB hasPhotoCollection WWVB.
- WWVB launchDate "1962".
- WWVB networkLogo "300".
- WWVB networkName "NIST Time & Frequency Service".
- WWVB networkType Radio_clock.
- WWVB owner National_Institute_of_Standards_and_Technology.
- WWVB website wwvb.cfm.
- WWVB subject Category:1963_establishments_in_the_United_States.
- WWVB subject Category:Larimer_County,_Colorado.
- WWVB subject Category:National_Institute_of_Standards_and_Technology.
- WWVB subject Category:Time_in_the_United_States.
- WWVB point "40.67805555555555 -105.04694444444445".
- WWVB type Agent.
- WWVB type BroadcastNetwork.
- WWVB type Broadcaster.
- WWVB type Organisation.
- WWVB type Organization.
- WWVB type Agent.
- WWVB type SocialPerson.
- WWVB type Thing.
- WWVB type SpatialThing.
- WWVB comment "WWVB is a NIST time signal radio station near Fort Collins, Colorado, co-located with WWV. WWVB is the station that radio-controlled clocks in most of North America use to synchronize themselves. The 70 kW ERP signal transmitted from WWVB is a continuous 60 kHz carrier wave, the frequency of which is derived from a set of atomic clocks located at the transmitter site, yielding a frequency uncertainty of less than 1 part in 1012.".
- WWVB label "WWVB".
- WWVB sameAs m.01w36l.
- WWVB sameAs Q14685146.
- WWVB sameAs Q14685146.
- WWVB lat "40.67805555555555".
- WWVB long "-105.04694444444445".
- WWVB wasDerivedFrom WWVB?oldid=605808362.
- WWVB depiction WWVB_Antenna.jpg.
- WWVB homepage wwvb.cfm.
- WWVB isPrimaryTopicOf WWVB.