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Earth, Planets and Space
Fig. 1 | Earth, Planets and Space

Fig. 1

From: Development and examination of new algorithms of traveltime detection in GPS/acoustic geodetic data for precise and automated analysis

Fig. 1

a Map view of GPS/acoustic network. White and magenta circles represent sites in operation since 2012. Blue plots are sites since 2005. b–j Examples of the correlograms between the synthetic signal and the received signal by the on-ship transducer, at sites G14 (b–d, depth: 1312 m), G06 (e–g, depth: 4471 m), and G07 (h–j, depth: 5550 m), highlighted in magenta in (a). The shot number above each correlogram follows the time series during the walk-around observation. Horizontal axis indicates time and t = 0 corresponds to the TWT of the maximum peak determined by the maximum correlation (MC) method. Vertical axis indicates the correlation coefficient

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