WWVB: Time Signal, WWV, Radio Clock, Gregorian Calendar, Time in the United States

WWVB: Time Signal, WWV, Radio Clock, Gregorian Calendar, Time in the United States

Taschenbuch - 9786130416270
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Beschreibung

High Quality Content by WIKIPEDIA articles! WWVB is a NIST time signal radio station near Fort Collins, Colorado, co-located with WWV. WWVB is the station that radio-controlled clocks throughout North America use to synchronize themselves. The signal transmitted from WWVB is a continuous 60 kHz carrier wave, derived from a set of atomic clocks located at the transmitter site. A 1 bit-per-second time code, which is based on the IRIG 'H' format of time code and derived from the same set of atomic clocks, is then modulated onto the carrier wave using a technique described as pulse width modulation followed by amplitude-shift keying. The time in this code is given in UTC, which the radio-controlled clocks then have to convert to their own local time. A single complete frame of time code lasts one minute.

Details

Verlag Betascript Publishers
Ersterscheinung Februar 2010
Maße 220 mm x 150 mm x 6 mm
Gewicht 171 Gramm
Format Taschenbuch
ISBN-13 9786130416270
Auflage Nicht bekannt
Seiten 104

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