Fig. 2From: Ghosts in the data: false detections in VEMCO pulse position modulation acoustic telemetry monitoring equipmentDiscovery curves for tag ID codes from Type A false detections on a near-surface, b mid-water, c near-bottom, and d all receivers combined. Black lines in a–c indicate downward facing receivers, grey lines indicate upward facing receivers. Note that y-axis scale of d differs from a–c Back to article page