Survey Scene

No Joy in Surveyville

July 28, 2006By

I have something to say about our mainstay -- GPS -- and its troubles of late. read more

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Potential Problems for Users of Modernized GPS Signals in Mixed-Mode Operations

June 15, 2006By

PRN 17 is the first in the new generation of GPS satellites with a new feature called flex power. read more

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Potential Problems for Users of Modernized GPS Signals inMixed-Mode Operations

May 25, 2006By

When the new flex power feature aboard PRN 17, the first IIR-M GPSsatellite, was enabled for testing (for a very short period oftime), a problem was observed by certain GPS users. read more

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L2C — not just vanilla GPS anymore

April 24, 2006By

This subject of this month's column is L2C. It's not just aboutvanilla GPS anymore. GPS modernization weighs heavily in future ofsatellite surveying. read more

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WAAS Clarification

March 27, 2006By

The FAA's announcement that WAAS in the northeastern United States and eastern Canada may be inhibited by relocation of a broadcasting satellite caused unease in some surveying organizations. The FAA notice doesn't tell the full story, however. read more

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Welcome to GPS World’s Survey & Construction Newsletter

March 22, 2006By

The first subject I've selected to discuss with you is the FAA's WAAS program because of the recent and significant changes that have taken place in this program. read more

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