Humpback whale:

Date/time (local)OccurrenceLatitudeLongitudeNotes
12/16/15 18:51:01Possibly detected43.9681-68.0749
12/16/15 20:51:01Detected43.9681-68.0749
12/16/15 21:51:01Detected43.9681-68.0749
12/16/15 23:51:01Detected43.9681-68.0749


Date/time (local)LatitudeLongitudeNotes
12/16/15 15:51:0143.9681-68.0749Check spectrogram: Strange loud pitch tracks at the end of some panels, occurring every minute. Would something biological create such a regular noise?
12/16/15 16:51:0143.9681-68.0749More high freq upsweeps in panels 1-3, not sure what they are. HW?