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CONFERENCE SCHEDULE UPDATES & CHANGES: As a result of the prolonged government shutdown, we experienced a number of cancellations and changes to the schedule. Cancellations and changes are listed here (as of January 26, 2019). 
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Tuesday, January 29 • 3:40pm - 4:00pm
(SYMPOSIA-07) A New Software Tool for Processing VEMCO Positioning System (VPS) Study Data

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ABSTRACT: The VEMCO Positioning System (VPS) uses acoustic telemetry transmitters and receivers to enable researchers to track the positions of aquatic animals with GPS-level precision or better using time-difference-of-arrival (TDOA) methods.However, there are challenges that must be overcome to achieve high-quality results. Accurate 3D positions of the receivers must be obtained, but this is typically logistically challenging, and the receivers may move unexpectedly. The detection times of animal transmitters must be logged with millisecond-level accuracy, but autonomous receivers do not have precisely synchronized clocks.In this talk, we will demonstrate a new web-based software tool for processing data from VR2Tx- and VR2AR-based VPS studies, with a special focus on the methods used to calculate accurate 3D positions of the receivers and to synchronize their clocks.

Tuesday January 29, 2019 3:40pm - 4:00pm EST