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Contents of Bulletin A
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Earth Orientation Information Center
General Information about Earth Orientation
Frequently Asked Questions About Earth Orientation
What Is Earth Orientation?
What Is Polar Motion?
What does the Earth rotation coordinate measure?
What is the Celestial Pole Offset?
What is a Leap Second?
How do we measure Earth Orientation?
What causes variations in the Earth's orientation?
Who uses Earth orientation information?
Publications About Earth Orientation Products
Earth Orientation Software
Precise Time Department
The USNO Master Clock
The USNO Master Clock
Time Dissemination at the USNO
USNO Alternate Master Clock (AMC)
Cesium Atomic Clocks
Hydrogen Masers at the USNO
Rubidium Fountain Clocks
USNO Time Scales
International Time Scales and the BIPM
Definitions of Systems of Time
Global Positioning System
Global Positioning System Overview
USNO GPS Data Categories Explanation
CGGTTS Data Format
USNO GPS Time Transfer
GPS Information: SA, DGPS, Leap Seconds, etc.
GPS Week Number Rollover
GPS Timing Data and Information
USNO Format Explanation
USNO Computer Display Clocks
Two-Way Satellite Time Transfer (TWSTT)
Network Time Protocol (NTP)
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Naval Meteorology and Oceanography Command
Commander Matthew N. Watts
Commanding Officer, Naval Oceanography Mine Warfare Center
15 June 2022
Commander Watts enlisted in the U.S. Navy from the state of Delaware in 1998. After completing Fire Controlman ‘A’ School in Great Lakes, IL, he graduated the U.S. Naval Academy Preparatory School in 2000. Watts earned a Bachelor of Science in Oceanography and commissioned from the U.S. Naval Academy in 2004. Following graduation, he earned a Master of Science in Oceanographic Engineering jointly from the Massachusetts Institute of Technology and Woods Hole Oceanographic Institution in 2006.
CDR Watts’ first operational assignment was as Ordnance and Gunnery Division Officer in USS WINSTON S. CHURCHILL (DDG-81) homeported in Norfolk, VA from 2007-2009. He deployed to the Arabian Gulf in support of Operation IRAQI FREEDOM and was designated as a Surface Warfare Officer.
CDR Watts laterally transferred to the Naval Oceanography community in 2009, where his first Oceanography assignment was in Naval Maritime Forecast Center and Joint Typhoon Warning Center, Pearl Harbor, HI. He served as Command Duty Officer and Maritime Operations Department Head until 2012. There, he earned qualifications as Forecast Duty officer, Ship Routing Officer, and was designated as an Information Warfare Officer.
CDR Watts spent the next four years in Yokosuka, Japan where he served as Operations Department Head in Naval Oceanography Antisubmarine Warfare (ASW) Center from 2012-2014 managing multiple deployable teams providing direct environmental support to ASW Commanders. He then served as Staff Oceanographer in Commander, Carrier Strike Group (CSG) 5 and Task Force 70 (CTF-70) from 2014-2016. He completed several patrols in the Western Pacific while embarked in USS GEORGE WASHINGTON (CVN-73) and USS RONALD REAGAN (CVN-76), where he qualified Battle Watch Captain and Force Tactical Action Officer.
Additional assignments include Executive Officer in Naval Oceanography Special Warfare Center, Coronado, CA, and staff oceanographer in Naval Special Warfare Command from 2016-2018. CDR Watts holds the degree of Doctor of Philosophy in Physical Oceanography from the Naval Postgraduate School.
Personal awards include the Meritorious Service Medal, Navy and Marine Corps Commendation Medal, Joint Services Achievement Medal, Navy and Marine Corps Achievement Medal, and various unit and campaign awards.
CDR Watts married his high school sweetheart, the former Dawn Talley from Dover, DE. They have two children, Jacob and Lila.
Naval Oceanography Mine Warfare Center
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