\BOOKMARK [1][-]{section*.1}{Introduction}{}% 1 \BOOKMARK [1][-]{section*.2}{Materials and Methods}{}% 2 \BOOKMARK [2][-]{subsection*.3}{Field site}{section*.2}% 3 \BOOKMARK [2][-]{subsection*.4}{Field monitiring system}{section*.2}% 4 \BOOKMARK [2][-]{subsection*.5}{Extraction of EOD frequencies}{section*.2}% 5 \BOOKMARK [2][-]{subsection*.6}{Tracking of individual EODs}{section*.2}% 6 \BOOKMARK [3][-]{subsubsection*.7}{-EODf \(Electric organ discharge frequency difference\)}{subsection*.6}% 7 \BOOKMARK [3][-]{subsubsection*.9}{-F \(Field difference\)}{subsection*.6}% 8 \BOOKMARK [3][-]{subsubsection*.11}{Error values composed from -EODf and -Field}{subsection*.6}% 9 \BOOKMARK [3][-]{subsubsection*.13}{Frequency error determination}{subsection*.6}% 10 \BOOKMARK [3][-]{subsubsection*.14}{Field error determination}{subsection*.6}% 11 \BOOKMARK [3][-]{subsubsection*.15}{Total error definition}{subsection*.6}% 12 \BOOKMARK [3][-]{subsubsection*.16}{Assign temporal EOD frequency traces}{subsection*.6}% 13 \BOOKMARK [3][-]{subsubsection*.19}{Running connection}{subsection*.6}% 14 \BOOKMARK [1][-]{section*.21}{Results}{}% 15 \BOOKMARK [2][-]{subsection*.22}{d-EODf and d-Field of same identity signals vs. non-same identity signals}{section*.21}% 16 \BOOKMARK [2][-]{subsection*.25}{Roc analysis}{section*.21}% 17