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Welcome to the 22nd Annual California GIS Conference. CalGIS 2016 will take place May 10-12 at the Sheraton Park Hotel at the Anaheim Resort.

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Thursday, May 12 • 9:20am - 9:40am
Field Test Accuracy Comparison for GNSS Receivers for Mobile GIS Use

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Presenter: Matt Alexander, Vice President, Anatum Field Solutions, LLC, Beaverton, OR

We field-tested five Bluetooth-enabled GNSS submeter units to compare accuracy and precision for usage in a mobile GIS workflow.  We also included a Trimble handheld GNSS unit for accuracy comparison to the Bluetooth GNSS receivers. Units were tested against known benchmarks. Points were digitized with a tablet paired to each test GNSS unit. Accuracy and precision was determined by using ArcGIS to compare collected point data to known benchmarks. Tests found that in ideal, clear-sky conditions, all GNSS units performed to their specifications. However, when tested in difficult conditions with varying amounts of tree canopy overhead, performance differences became apparent.

Moderators
avatar for Jane Schafer-Kramer

Jane Schafer-Kramer

GIS Specialist, California Department of Water Resources
I am the technical lead for the National Hydrography Dataset stewardship program for California, and serve as Chair of DWR's Enterprise GIS Training & Outreach Subcommittee, Chapter President of NorCal URISA for 2016, and also the coordinator for the City of Davis Community Garden.

Speakers
avatar for Matt Alexander

Matt Alexander

Vice President, Anatum Field Solutions, LLC
Matt has 20 years of experience in the design and completion of scientifically rigorous wildlife field studies and surveys. During the last 5 years, he has been heavily involved with the development of mobile GIS solutions utilizing tablets as data collection devices implementing external submeter GNSS devices for higher accuracy. He has developed GIS app solutions, designed electronic data sheets, and quantified the benefits of working all... Read More →


Thursday May 12, 2016 9:20am - 9:40am
Garden AB

Attendees (9)