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2. WWVB - Wikipedia

   en.wikipedia.org/wiki/WWVB

   March 2010. WWVB is a time signal radio station near Fort Collins, Colorado and is operated by the National Institute of Standards and Technology (NIST). [ 1] Most radio-controlled clocks in North America [ 2] use WWVB's transmissions to set the correct time. The normal signal transmitted from WWVB is 70 kW ERP and uses a 60 kHz carrier wave ...

3. Time signal - Wikipedia

   en.wikipedia.org/wiki/Time_signal

   In Australia, many information-based radio stations broadcast time signals at the beginning of the hour, and a speaking clock service was also available until October 2019. However, the VNG dedicated time signal service has been discontinued. [18] In Cuba, Radio Reloj is a radio station which has a time signal over news. Radio Reloj translates ...

4. WWV (radio station) - Wikipedia

   en.wikipedia.org/wiki/WWV_(radio_station)

   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, and 20 MHz. [1] WWV is operated by the U.S. National Institute of Standards and ...

5. Amateur radio licensing in the United States - Wikipedia

   en.wikipedia.org/wiki/Amateur_radio_licensing_in...

   Amateur First Grade required an essay-type examination and five (later ten) words per minute code examination before a Radio Inspector at one of the Department's field offices. This class of license was renamed Amateur Class in 1927 and then Amateur First Class in 1932. Amateur Radio licensing in the United States began in mid-December 1912.

6. Radio clock - Wikipedia

   en.wikipedia.org/wiki/Radio_clock

   Radio clock. 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.

7. Amateur radio station - Wikipedia

   en.wikipedia.org/wiki/Amateur_radio_station

   Amateur radio station. An amateur radio station is a radio station designed to provide radiocommunications in the amateur radio service for an amateur radio operator. Radio amateurs build and operate several types of amateur radio stations, including fixed ground stations, mobile stations, space stations, and temporary field stations.

8. List of United States Coast Guard radio stations - Wikipedia

   en.wikipedia.org/wiki/List_of_United_States...

   The COMMCOM has a staff of approximately 100 people that execute contingency communications, conduct communications training aboard Coast Guard cutters, and operate the following stations: COMMCOM Chesapeake, Virginia: call sign NMN (directly) RCF Miami, Florida: call sign NMA (remotely) RCF Boston, Massachusetts: call sign NMF (remotely) RCF ...

9. List of radio stations in Arizona - Wikipedia

   en.wikipedia.org/wiki/List_of_radio_stations_in...

   The following is a list of FCC-licensed radio stations in the U.S. state of Arizona, which can be sorted by their call signs, frequencies, cities of license, licensees, and programming formats. List of radio stations