Network corrected real-time is a technological approach to high precision GPS/ GNSS positioning that has been theorized about, studied, experimented with, and implemented in various academic, scientific, and commercial forms for nearly a decade. Many of the various approaches share the fruits of past research, algorithms, and technological tools; some which are in common.
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Joel Leininger, Associate Editor of the magazine, is the managing partner of S. J. Martenet & Co., a 154-year-old surveying firm in Baltimore, Maryland. He lectures frequently around the country on surveying-related subjects. Leininger has authored more than thirty articles and essays dealing with surveying and retracement, some of which have been published in Canada and Australia. Prior to his work at S.J. Martenet, he served as department head at Fisher, Collins and Carter, and as project manager with Daft-McCune-Walker, both in Baltimore. Leininger has also served as both Contributing Editor and Associate Editor of Professional Surveyor Magazine. He served five years on the Maryland Board of Registration and is a past-president of the Maryland Society of Surveyors.
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