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WWV Transmitter Building (2002 or earlier) WWV's 15 MHz antenna WWV is a shortwave ("high frequency" or HF) radio station, located near Fort Collins, Colorado.It has broadcast a continuous time signal since 1945, and implements United States government frequency standards, with transmitters operating on 2.5, 5, 10, 15, 20, and 25 MHz. [1]
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 ...
The audio tones are suppressed while WWV is transmitting voice announcements: minutes 00, 08–10, 14–19, and 30. The voice announcements are rescheduled relative to WWV: Station identification is made during minutes 29 and 59 (vs. 00 and 30) GPS satellite health reports are transmitted during minutes 43 and 44 (vs. 14 and 15)
Data − from traces in wastewater to hospitalizations − show higher levels of flu virus circulating in most of the U.S. So far this season, over 160,000 people have landed in the hospital from ...
Bird flu cases are still rising in the U.S. as the virus continues to devastate poultry farms.. More than 145 million chickens, ducks, turkeys and other fowl have been slaughtered across the ...
All live poultry markets in New York City, Long Island and Westchester County will be temporarily shut down after seven local cases of bird flu were discovered this week, Gov. Kathy Hochul ...
Dedicated radio time signal stations transmit a signal that allows automatic synchronization of clocks, and commercial broadcasters still include time signals in their programming. Today, global navigation satellite systems ( GNSS ) radio signals are used to precisely distribute time signals over much of the world.
National Parks across the country are cutting hours, cancelling cave tours, closing visitor centers and warning of other cutbacks following Trump administration cuts to the federal workforce ...