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jan-van-sickle

Jan van Sickle

Contributor

Jan Van Sickle is a Geospatial Consultant. His website is at www.janvansickle.com.


Latest Pieces

Jan2
<a href=http://www.unoosa.org/pdf/icg/2012/3.pdf
February 22, 2019

Where and when: Why Earth motion is crucial to location accuracy

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geoid12b
Difference Between GEOID12B and USGG2012
November 30, 2016

Replacement of the North American Vertical Datum

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van-sickle
November 1, 2016

A Big Change is Coming

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Illustration of earth coordinate grid
November 9, 2015

Reference Systems and Reference Frames

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Illustration of earth coordinate grid
October 14, 2015

Small UAS with a Unique GNSS Receiver

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sickle2
October 2, 2015

A Few Useful Project Control Rules

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Illustration of earth coordinate grid
September 29, 2015

The Engineering Surveying Manual

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Illustration of earth coordinate grid
August 12, 2015

A Tip for Better Photogrammetry

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World map of satellite stations
July 28, 2015

Coming Soon in GNSS

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Illustration of earth coordinate grid
July 15, 2015

Point Cloud Coordinates Should be Real-World Coordinates

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