Tag Archives: NGS

Surveying Control – Its Misuse and Effects on Accuracy

One of the most important concepts in surveying is the principle that surveying control should be significantly more accurate than the actual survey. Some say it should be twice as accurate, some say an order of magnitude. In many cases … Continue reading

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CORS and OPUS BETA Coordinates Now Available

Attention CORS and OPUS users. The NGS has announced the availability of BETA coordinates for CORS and OPUS websites. BETA Release Overview Updated Coordinates and Velocities BETA Continuously Operating Reference Stations (CORS) coordinates and velocities are now available on the … Continue reading

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NGS 2019 Geospatial Summit – Registration is Required

The NGS 2019 Geospatial Summit will be held in Silver Spring, MD May 6 – 7, 2019. The ongoing modernization of the National Spatial Reference System will be the main focus of the event. The NGS plans to replace the … Continue reading

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World Magnetic Model Recently Updated Ahead of Time

Magnetic North is not a static position. The World Magnetic Model was recently updated to reflect the fact that the movement of magnetic north has been rapidly progressing northward towards Siberia. From an article by Maya Wei-Haas in National Geographic … Continue reading

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2019 Geospatial Summit Update From NGS

The NGS has announced that the Draft Agenda for this summer’s 2019 Geospatial Summit, to be held in Silver Spring, Maryland May 6 – 7, 2019, is now available In addition, they issued a Call for Case Studies focusing on … Continue reading

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OPUS-Projects Manager’s In-Person Training

An in-person, two-day training session on OPUS-Projects is being offered by NGS trainers Charles Geoghegan and Benjamin Erickson on December 11 and 12, 2018 at the NGS Testing and Training Center in Woodford, VA. This is an excellent opportunity to … Continue reading

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Geodesy Fundamentals Webinar From NGS

Dave Zenk, NGS Northern Plains Regional Geodetic Advisor is presenting a webinar on Geodesy Fundamentals October 11, 2018 at 2 PM EDT. This webinar discusses the fundamentals of astronomy, geodesy, geodetic datums, map projections, and GPS. It is intended to … Continue reading

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National Geodetic Survey 2018 Webinars

In case you missed the National Geodetic Survey – NGS webinar on June 7, 2018 entitled, “Industry Engagement to Modernize the National Spatial Reference System (NSRS) it is now available along with others on the NGS website. Major changes are … Continue reading

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NCAT – What is it?

The NGS Coordinate Conversion and Transformation tool, or NCAT not only provides technical assistance with the proper mathematics for making conversions and transformations, but it also provides information about a wealth of additional services that the NGS offers via the … Continue reading

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Changes in State Plane Coordinates

Here in the U.S., Michael Dennis from the NGS explained at the TRB AFB80 summer meeting with the 2022 adjustment being planned the basis for state plane coordinates is going to change. Right now the NGS has a proposal that … Continue reading

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