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  2. Time synchronization in North America - Wikipedia

    en.wikipedia.org/wiki/Time_synchronization_in...

    pool.ntp.org: Computer with NTP client that syncs at least once an hour. ntpd, sntp, ntpdate: Meinberg NTP [23] NetTime [24] ToyNTP [16] BktTimeSync by IZ2BKT [17] NTPSec Precision Time Protocol: Domain Time II [25] NIST Telephone Time of Day Service [26] UTC(NIST) + 1-303-499-7111 + 1-808-335-4363; Voice announcement with sync pips. Telephone ...

  3. Flag of the United States Navy - Wikipedia

    en.wikipedia.org/wiki/Flag_of_the_United_States_Navy

    The following is details from the Naval Telecommunications Procedures, Flags, Pennants & Customs, NTP 13(B) 1710. FLAG OF THE UNITED STATES NAVY By Executive Order 10812 of 24 April 1959, the President, upon the recommendation of the Secretary of the Navy with the approval of the Secretary of Defense, established and prescribed an official flag ...

  4. United States Naval Observatory - Wikipedia

    en.wikipedia.org/wiki/United_States_Naval...

    A new Navy command, now called the USNO Flagstaff Station (NOFS), was established there. Those operations began in 1955. [22] Within a decade, the Navy's largest telescope, the 61 inch "Kaj Strand Astrometric Reflector" was built; it saw light at Flagstaff in 1964. [23] USNO continues to maintain its dark-sky observatory, NOFS, near Flagstaff.

  5. Network Time Protocol - Wikipedia

    en.wikipedia.org/wiki/Network_Time_Protocol

    The 64-bit binary fixed-point timestamps used by NTP consist of a 32-bit part for seconds and a 32-bit part for fractional second, giving a time scale that rolls over every 2 32 seconds (136 years) and a theoretical resolution of 2 −32 seconds (233 picoseconds). NTP uses an epoch of January 1, 1900. Therefore, the first rollover occurs on ...

  6. IRIG timecode - Wikipedia

    en.wikipedia.org/wiki/IRIG_timecode

    The full-timecode specification is of the form "IRIG J-xy", where x denotes the variant, and y denotes a baud rate of 75×2 y. Normally used combinations are J-12 through J-14 (300, 600, and 1200 baud), and J-25 through J-29 (2400 through 38400 baud).

  7. Marine chronometer - Wikipedia

    en.wikipedia.org/wiki/Marine_chronometer

    A marine chronometer is a precision timepiece that is carried on a ship and employed in the determination of the ship's position by celestial navigation.It is used to determine longitude by comparing Greenwich Mean Time (GMT), and the time at the current location found from observations of celestial bodies.

  8. Time server - Wikipedia

    en.wikipedia.org/wiki/Time_server

    An existing network server (e.g. a file server) can become a time server with additional software. The NTP homepage provides a free and widely used reference implementation of the NTP server and client for many popular operating systems. The other choice is a dedicated time server device.

  9. United States Second Fleet - Wikipedia

    en.wikipedia.org/wiki/United_States_Second_Fleet

    The United States Second Fleet is a numbered fleet in the United States Navy responsible for operations in the East Coast and North Atlantic Ocean. [1] Established after World War II, Second Fleet was deactivated in 2011, when the United States government believed that Russia's military threat had diminished, and reestablished in 2018 amid renewed tensions between NATO and Russia.