Sensors 2013, 13(7), 8879-8894; doi:10.3390/s130708879
Article

Development of a Network RTK Positioning and Gravity-Surveying Application with Gravity Correction Using a Smartphone

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Received: 9 May 2013; in revised form: 3 July 2013 / Accepted: 4 July 2013 / Published: 12 July 2013
(This article belongs to the Section Physical Sensors)
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract: This paper proposes a smartphone-based network real-time kinematic (RTK) positioning and gravity-surveying application (app) that allows semi-real-time measurements using the built-in Bluetooth features of the smartphone and a third-generation or long-term evolution wireless device. The app was implemented on a single smartphone by integrating a global navigation satellite system (GNSS) controller, a laptop, and a field-note writing tool. The observation devices (i.e., a GNSS receiver and relative gravimeter) functioned independently of this system. The app included a gravity module, which converted the measured relative gravity reading into an absolute gravity value according to tides; meter height; instrument drift correction; and network adjustments. The semi-real-time features of this app allowed data to be shared easily with other researchers. Moreover, the proposed smartphone-based gravity-survey app was easily adaptable to various locations and rough terrain due to its compact size.
Keywords: gravity survey; smartphone; gravity correction; network RTK positioning
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MDPI and ACS Style

Kim, J.; Lee, Y.; Cha, S.; Choi, C.; Lee, S. Development of a Network RTK Positioning and Gravity-Surveying Application with Gravity Correction Using a Smartphone. Sensors 2013, 13, 8879-8894.

AMA Style

Kim J, Lee Y, Cha S, Choi C, Lee S. Development of a Network RTK Positioning and Gravity-Surveying Application with Gravity Correction Using a Smartphone. Sensors. 2013; 13(7):8879-8894.

Chicago/Turabian Style

Kim, Jinsoo; Lee, Youngcheol; Cha, Sungyeoul; Choi, Chuluong; Lee, Seongkyu. 2013. "Development of a Network RTK Positioning and Gravity-Surveying Application with Gravity Correction Using a Smartphone." Sensors 13, no. 7: 8879-8894.

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