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Sunday, 29 November 2009

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Earth is ?

Earth is the third planet from the Sun. It is the fifth largest of the eight planets in the solar system, and the largest of the terrestrial...
Satellite frequencies

* L1 (1575.42 MHz): Mix of Navigation Message, coarse-acquisition (C/A) code and encrypted precision P(Y) code, plus the new L1C on future B...
Basic concept of GPS

A GPS receiver calculates its position by precisely timing the signals sent by the GPS satellites high above the Earth. Each satellite conti...
What is Earthmaster?

EarthMatters.Org was founded by a small, international team of specialists with decades of practical experience in multidisciplinary program...
Videos & Films

EarthMatters.Org has also been featured on TV and films. EM.Org was featured the week of May 3rd, 1999 on Wild Things TV of Paramont Picture...
Navigation signals GPS broadcast signal

Navigation signals Author: Smith Solace Each GPS satellite continuously broadcasts a Navigation Message at 50 bit/s giving the time-of-week,...
History

The first satellite navigation system, Transit , used by the United States Navy , was first successfully tested in 1960. It used a constella...
Basics of Gps system

"GPS" redirects here. For other uses, see GPS (disambiguation) . For a generally accessible and less technical introduction to the...
Chronology

History of the Earth Scientists have been able to reconstruct detailed information about the planet's past. The earliest dated solar sys...