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Fig. 1 | Animal Biotelemetry

Fig. 1

From: An animal-borne active acoustic tag for minimally invasive behavioral response studies on marine mammals

Fig. 1

Prototype tag was built, calibrated, and field-tested on northern elephant seals (center black and orange tag). Tag components included a DSG passive acoustic recorder and hydrophone, an active acoustic preamplifier, playback module, transducers, and OpenTag single board controller with a nine-axis motion sensor (three axes each for accelerometer, magnetometer, and gyroscope). A Wildlife Computers Mk10-AF TDR was mounted on the head. An additional TDR was attached to the shoulder but was not used in this study

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