NOAA to Ensure GPS Accuracy

Friday, January 04, 2008
NOAA will lead an international effort to pinpoint the locations of more than 40 global positioning satellites in Earth orbit, which is vital to ensuring the accuracy of GPS data that millions worldwide rely upon every day for safe navigation and commerce.

NOAA personnel will compile and analyze satellite orbit data from 10 analysis centers worldwide to ensure the accuracy of GPS information. For the next four years NOAA’s National Geodetic Survey will serve as the Analysis Center Coordinator for the International Global Navigation Satellite Systems Service, a voluntary federation of more than 200 organizations that provide continuous global satellite-tracking data.

“For GPS receivers to provide accurate information, the precise location of positioning satellites as they orbit the Earth must first be determined,” said David Zilkoski, director of NOAA’s National Geodetic Survey. “NOAA looks forward to leading this international partnership to produce the highest quality satellite position data possible.”

The Global Navigation Satellite Systems, which include the U.S.-based Global Positioning System, the Russian GLONASS system, and the upcoming European Galileo system, are used for accurately determining the geographic position of any point on Earth.

A GPS receiver calculates its position by measuring the time it takes a signal to travel from the satellite to the receiver. Because the signal travels at a known rate and the time is precisely measured using an atomic clock, the receiver can calculate its distance from the satellite. By repeating this process from four or more GPS satellites whose orbits are precisely known, the GPS receiver can determine its position.

Maritime Reporter June 2014 Digital Edition
FREE Maritime Reporter Subscription
Latest Maritime News    rss feeds

Marine Electronics

Jacksonville Dedicates New PORTS® Real-time Data System

Officials from NOAA, the Jacksonville Marine Transportation Exchange, and the Jacksonville Port Authority officially dedicated a new information system today

Hyundai Heavy Industries Develops HiCASS

Hyundai Heavy Industries Co., Ltd. (HHI) announced today that it developed Hyundai Intelligent Collision Avoidance Support System (HiCASS) for the first time in

General Dynamics Launches Morgan County NextGen-911

General Dynamics Information Technology, a business unit of General Dynamics, has implemented a NextGen-911 emergency service solution for Morgan County, Ohio.

Navigation

Panama Canal to Celebrate 100 Years

To commemorate its centennial, the Panama Canal will host a series of events August 14-15 in Panama City to highlight the impact of the waterway during the past century.

AIS Data for Emissions Reduction

With emissions reduction firmly on the industry’s agenda, studies show that carrying out ship emission calculations, based on AIS data, can offer significant benefits.

Hyundai Heavy Industries Develops HiCASS

Hyundai Heavy Industries Co., Ltd. (HHI) announced today that it developed Hyundai Intelligent Collision Avoidance Support System (HiCASS) for the first time in

 
 
Maritime Careers / Shipboard Positions Maritime Contracts Naval Architecture Navigation Offshore Oil Pipelines Salvage Ship Simulators Shipbuilding / Vessel Construction Sonar
rss | archive | history | articles | privacy | terms and conditions | contributors | top maritime news | about us | copyright | maritime magazines
maritime security news | shipbuilding news | maritime industry | shipping news | maritime reporting | workboats news | ship design | maritime business

Time taken: 0.1006 sec (10 req/sec)