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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Dan Beardslee has been an employee, a partner, and an owner of private land surveying practices, spanning 31 years. He obtained his Washington State survey license in 1975, and is an expert in Washington State boundary issues, well versed in land-use matters, and is widely regarded as a leader in the implementation of GIS for surveying firms. He is the author of numerous publications including, Land Surveying for the Land Owner and Real Estate Professional, and Management Handbook for Land Surveyors, and he is co-author of many publications including Beyond the Traverse Point (a text on land surveying practice), Receivables Management for the Practicing Professional and Washington Boundary Law and Adjoining Landowner Disputes. His articles have appeared in Professional Surveyor, POB, and in journals in Canada and New Zealand. Beardslee received a Bachelor of Arts Degree in Business Administration (Economics) from Washington State University, has done post graduate work in economics at Skagit Valley College, City University, Wenatchee Valley College, and Western Washington University. He has taught and lectured across the United States on Land Surveying management. Beardslee was awarded the NSPS Survey Project of the Year award in 1983, and has received several Awards of Merit by the LSAW. He is a Past President of the Land Surveyors Association of Washington (LSAW), Past Governor of the National Society of Professional Surveyors (NSPS), and Past Chair of the NSPS Business Practices Committee. He currently holds membership in LSAW, NSPS, the American Congress on Surveying and Mapping (ACSM), and the Western Federation of Professional Land Surveyors (WFPLS), and is a member of the Survey Advisory Board of the Washington State Department of Resources
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