{ "item_title" : "GNSS Surveying in Practice", "item_author" : [" James R. Callahan "], "item_description" : "GNSS Surveying in PracticePublished independently by James R. Callahan GNSS surveying can deliver fast, accurate, and highly useful field results - but only when the workflow is planned, checked, processed, and documented correctly. GNSS Surveying in Practice is a practical guide for land surveyors, civil engineers, construction professionals, GNSS technicians, machine-control teams, CAD/GIS/BIM users, and project managers who need clearer guidance on RTK, PPK, Static GNSS, coordinate systems, field procedures, QA/QC, and professional deliverables. Rather than overwhelming readers with abstract theory, this book focuses on the real decisions that determine whether GNSS data can be trusted on infrastructure and construction projects. It explains how GNSS workflows work in practice, where errors commonly enter, and how to build repeatable procedures that support reliable project outcomes. Inside this guide, readers will learn how to:Understand GNSS, RTK, PPK, and Static GNSS workflows in plain professional languageSelect appropriate GNSS equipment and correction methods for different project needsAvoid common coordinate system, datum, geoid, and grid-to-ground mistakesPlan field missions with better control, checkpoints, safety, and documentationSet up base stations and rovers with fewer avoidable errorsProcess GNSS data, review residuals, and support network adjustment workflowsApply QA/QC checks, accuracy reporting, and defensible documentation practicesUse GNSS effectively for construction, infrastructure, machine control, as-builts, and mixed-instrument projectsTroubleshoot poor fix quality, multipath, correction dropouts, processing failures, and coordinate mismatchesCommunicate GNSS accuracy, limitations, and deliverables more clearly to engineers, contractors, clients, and project teamsWhether you are new to GNSS workflows or looking to strengthen your professional field-to-office process, this book gives you a practical framework for using GNSS with more confidence and discipline. If you want a clear, workflow-focused guide to RTK, PPK, Static GNSS, field validation, data processing, and construction-ready survey deliverables, GNSS Surveying in Practice is written to help you build stronger habits and avoid the mistakes that can turn small positioning errors into costly project problems.", "item_img_path" : "https://covers2.booksamillion.com/covers/bam/9/79/818/007/9798180073525_b.jpg", "price_data" : { "retail_price" : "68.88", "online_price" : "68.88", "our_price" : "68.88", "club_price" : "68.88", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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