Eric Colburn, PLS

Tag: Global Navigation Satellite System

GEOID12 Error Analysis Complete and GEOID12A Model Developed

Here’s an important notice from The National Geodetic Survey (NGS) concerning the new GEOID12 model: The National Geodetic Survey has determined that the GEOID12 model was developed using erroneous input control points, primarily in the Gulf Coast region. NGS immediately corrected these errors and developed a replacement model: GEOID12A. GEOID12A is now available for public…

August 18, 2012
The National Geodetic Survey Improves the National Spatial Reference System with Simultaneous Major Product Releases

The National Geodetic Survey Improves the National Spatial Reference System with Simultaneous Major Product Releases In the first week of July, NOAA’s National Geodetic Survey (NGS) released the results of three major improvements to the National Spatial Reference System (NSRS). The NSRS is the consistent coordinate system that defines latitude, longitude, height, scale, gravity, and…

July 20, 2012
NGS Releases New Geoid Model to Serve Surveying, Engineering, and Scientific Communities

NGS Releases New Geoid Model to Serve Surveying, Engineering, and Scientific Communities In the last week, the National Geodetic Survey has released a new height transformation model for surveyors, engineers, and the scientific community involved in water flow and the determination of heights with respect to mean sea level. The new “GEOID12” model, implemented in…

July 16, 2012
Esri GPS Base Station Joins National Continuously Operating Reference Station (CORS) Network

Real-Time, Precise Data Will Serve Professionals in the Redlands Community Redlands, California—Esri recently installed a GPS base station to assist its GIS developers and to support surveyors, engineers, scientists, and those in public works and public safety in the community surrounding the Esri campus in Redlands, California. The base station, named GISA, has been accepted…

May 9, 2012
Spectra Precision Introduces New ProMark 800 GNSS Receiver and Survey Pro 5.0 Field Software

Spectra Precision Introduces New ProMark 800 GNSS Receiver and Survey Pro 5.0 Field Software NUREMBURG, Germany, Sept. 26, 2011 — Spectra Precision introduced today several additions to its growing portfolio of solutions focused on mainstream surveying and construction needs. The announcement was made today at its Worldwide Distribution Conference held in Nuremburg, Germany. The expanded product…

September 26, 2011
Trimble Extends its Range of Radios with the Trimble TDL 450H for Surveyors

New Long-Range Capabilities Available for More Productive Surveys SUNNYVALE, Calif., June 9, 2011—Trimble (NASDAQ:TRMB) introduced the Trimble® TDL 450H radio, a long-range solution in the Trimble TDL 450 radio modem series designed to support high-precision Global Navigation Satellite System (GNSS) surveying applications. Trimble TDL 450H Radio Modem The Trimble TDL 450H is a 2-35 Watt…

June 13, 2011
Professional Land Surveyor News Trimble Unveils State-of-the-Art Mobile Spatial Imaging System

Professional Land Surveyor News Trimble Unveils State-of-the-Art Mobile Spatial Imaging System The Trimble MX8 System Combines Leading Imaging and Laser Scanning Capabilities in an Integrated System for Mobile Mapping SUNNYVALE, Calif., July 13, 2010 —Trimble (NASDAQ: TRMB) introduced today the Trimble® MX8 Mobile Spatial Imaging System, an advanced mobile data capture system that combines imaging…

July 13, 2010
Professional Land Surveyor News: NOAA Releases Real-Time RTK Guidelines

Professional Land Surveyor News: NOAA Releases Real-Time RTK Guidelines This is a press release published by NOAA’s National Geodetic Survey (NGS) with important information for professional land surveyors who are using Real-Time GNSS positioning. NOAA’s National Geodetic Survey (NGS) recently announced the approval and release of a document titled “National Geodetic Survey User Guidelines for…

June 29, 2010
Professional Land Surveyor News: USAF Begins Test Satellite GPS IIF Transmission of L5 Signal

Professional Land Surveyor News: USAF Begins Test Satellite GPS IIF Transmission of L5 Signal LOS ANGELES AIR FORCE BASE, El Segundo, Calif. — Officials from the Space and Missile Systems Center’s Global Positioning Systems Wing announced that the first GPS IIF satellite, launched May 27, 2010, has begun test transmissions of the new Safety-of-Life (L5) navigation…

June 17, 2010
Professional Land Surveyor News: Carlson Software & Transtronic AB Reach Mutual Development & Distribution Agreement for 3D GNSS Drilling Solutions

Professional Land Surveyor News: Carlson Software & Transtronic AB Reach Mutual Development & Distribution Agreement for 3D GNSS Drilling Solutions Here’s an interesting press release that I originally found interesting, but thought at the time that it was not overly relevant to professional land surveyors. Since then, however, with the catastrophic BP Deepwater Horizon oil rig…

June 9, 2010
Professional Land Surveyor News: Air Force Upgrades GPS Constellation

Professional Land Surveyor News: Air Force Upgrades GPS Constellation SCHRIEVER AIR FORCE BASE, Colo. — The 2nd and 19th Space Operations Squadron will soon take control of the Air Force’s newest GPS satellite following its tentative launch into orbit May 27 from Cape Canaveral Air Force Station, Fla. The GPS IIF SV-1 satellite represents a…

June 1, 2010
Professional Land Surveyor News: New Monitoring Solutions from Trimble Combines Both GNSS and Optical Technologies to Monitor Dams, Bridges, Buildings and More

Monitor Movement in Real Time with New Trimble 4D Control Software SUNNYVALE, Calif., Jan. 26, 2010 — Trimble (NASDAQ:TRMB) introduced today a new version of its Trimble® 4D Control software, the core of Trimble monitoring solutions, that combines Global Navigation Satellite System (GNSS) and optical technologies for real-time deformation monitoring applications. The software is ideal…

January 27, 2010
China launches Satellites To Build Its Own GPS

Yesterday, January 18, 2009, Reuters India reported from Beijing, China that over the past weekend China launched the third BeiDou (Big Dipper) or Compass satellite in an effort to build its own global satellite positioning (GPS) system. This latest satellite is part of a proposed constellation of 35 Chinese GPS satellites to be in orbit by the year…

January 19, 2010
Professional Land Surveyor News: Trimble Announces Updated Suite of Mapping and GIS Software with New Postprocessing Engine

Trimble Announces Updated Suite of Mapping and GIS Software with New Postprocessing Engine SUNNYVALE, Calif., Dec. 7, 2009 — Trimble (NASDAQ: TRMB) announced today significant updates to its entire portfolio of Mapping & GIS field and office software products. These enhancements focus on improved Global Navigation Satellite System (GNSS) accuracy for data collection under a…

December 11, 2009
China Compass Beidou Global Navigation Satellite System Predicted to Challenge All Other GPS

Here’s an article I found China Daily about the Chinese Compass, or Beidou (Big Dipper) Global Navigation Satellite System which is expected to challenge our U.S. developed GPS, the EU’s GPS and Russia’s GPS. This Compass GPS is planning on providing regional service to China with 12 satellites in 2011. By the year 2020 China…

July 3, 2009