Geodetic / Global Positioning Systems

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Geodetic / Global Positioning Systems

GPS PROS Group Forum is for any member of LSU that is a professional land surveyor using primarily GPS in the field. Geodetic / Global Positioning Systems (GPS) Get help and offer support with survey grade GPS!

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Reply by Jim on March 2, 2010 at 6:48pm
Congratulations Gary.
Reply by Jaybird on March 2, 2010 at 5:18pm
great job Gary! That's awesome!
Reply by Gary Breisch on March 2, 2010 at 5:03pm
Please check out the link below - I got published in a national magazine - what fun!!!
The previous article is "The Value of a Survey" that I responded to in my letter (email) to the editor. They wrote me back to my surprise to let me know they wanted to publish it. I said yes and did not know they had published it until I got email in asking for my sample formats.

http://www.gbreisch.com/gwb/client/SurveyArticles
Reply by Jim on March 1, 2010 at 7:17am
IFEN’s GNSS RF Constellation Simulator Awarded Certificate from TÜV SÜD
February 26, 2010

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IFEN GmbH's GNSS RF navigation constellation simulator NavX-NCS has been awarded the official certificate of the TÜV SÜD stating the conformance concerning high-precision signal generation and Galileo OS SIS ICD conformance of signal characteristics and signal quality.

Awarded by the independent third-party certifier TÜV SÜD and validated in the GNSS laboratory of the independent company NavCert GmbH and of the European Space Agency (ESA), this certification confirms the high-precision GNSS signal-generation quality and the Galileo Open Service (OS) Signal-In-Space (SIS) conformance of signal characteristics and signal quality of IFEN’s GNSS RF navigation constellation simulator NavX-NCS. The NavX-NCS has been tested by NavCert according to the international standards PPP 80018:2008, EN 61010:2002, IEC 60297-1:1986, and EN 60417-1:2000.

“We were impressed by the overall quality of the system to fulfill all relevant requirements," said Martin Grzebellus, Managing Director of NavCert GmbH.

“The conformance certification demonstrates again the quality and reliability of IFEN’s GNSS RF navigation constellation simulator NavX-NCS,” explains
Günter Heinrichs, Head of Customer Applications. “We are delighted to receive this certification, which acts as further evidence of the high-precision signal generation and signal quality of IFEN GNSS test solutions on which our customers depend.”

IFEN offers different classes of GNSS RF constellation signal generators, satisfying its customers GNSS testing applications. The NavX-NCS is the most flexible and capable RF signal generator for multi-GNSS constellations on the market. With up to 108 signal channels and 9 L-band frequencies, GPS, Galileo, GLONASS, and QZSS can be simulated simultaneously.

Because of its flexibility, scalability and extendability, the NavX-NCS is a "future-proof-investment" for the coming multi-GNSS era, the company said.

NavCert GmbH as part of the TÜV SÜD group offers support regarding the development and the marketing of products and services of positioning and navigation systems. The service range consists of testing, certification and related consultancy for consumer products, safety critical components, products
and system for Galileo and EGNOS.
Reply by Jim on February 25, 2010 at 3:59pm
Marvin good catch here is a link that will get you to plenty of good solutions.
http://www.ngs.noaa.gov/GEOID/
Reply by Marvin T. (Buddy) Wright on February 25, 2010 at 11:57am
Ronnie
Just curious how much is slightly?
I think it was a typo on Jim's note but, there is Geoid 09.
Reply by Jim on February 24, 2010 at 5:12pm
Ron, not sure if you have figured out your issue yet. But with the software changes and modifications this not a surprise. I would suggest that you compare your notes and setup on the same points as you trouble shot. Is it possible that the measurment setting are veried I see this at times with US survey feet and international survey feet settings. Just a thought.
Reply by ronnie r. monilla on January 9, 2010 at 12:11pm
i dont know why my geographic coordinates (thales zmax) is slightly different from Leica1200 of our fellows in Arab Surveyors. we are both using wgs84 and i checked with my localizations the levels and coordinates are great. can you please send some comments.... God Bless
Reply by ronnie r. monilla on December 28, 2009 at 11:35am
i appreciate your comments, Prosperous New Year to all and God Bless...
Reply by Bill Englert on December 27, 2009 at 9:46pm
I'm using Sokkia eq. w/Carlson Explorer and use downloaded gieod file from Carlson. That along with the CORS processing gives me great results. Depending on the project demands, I still do 4hr occupations at two or more sites, process thoses thru CORS and compare the reusults against the nearest FEMA, USGS, TxDOT or other published monuments. I'm within .002'-.003'....... closer than any dozer or concrete finisher has had dreams of. :-)

P.S. I'm still looking for another Carlson Explorer (if it's cheap)
 
 
 

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