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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 ...
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]
NIST-F1, source of the official time of the United States. NIST-F1 is a cesium fountain clock, a type of atomic clock, in the National Institute of Standards and Technology (NIST) in Boulder, Colorado, and serves as the United States' primary time and frequency standard. The clock took fewer than four years to test and build, and was developed ...
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.
Spring Creek is a 12.7-mile-long (20.4 km) [2] tributary of the Cache La Poudre River in the state of Colorado in the United States. [3] It begins at Spring Canyon Dam, and flows into Horsetooth Reservoir, and through Fort Collins. [4]
A body found in Grand Canyon National Park is believed to belong to a missing man who took a wooden raft down a river, rangers say. Rangers said they recovered the body after it was found in the ...
The Black Suspension Bridge (also known as the Kaibab Trail Suspension Bridge) spans the Colorado River in the inner canyon of Grand Canyon National Park. The span length is 440 feet (130 m). [ 1 ] The bridge is part of the South Kaibab Trail and is the river crossing used by mules going to Phantom Ranch .
The Colorado River in the Grand Canyon has rapids, and the park service described it as “a highly technical river, not something for the inexperienced to try.” It runs 277 miles in the Grand ...