Fig. 6
(source: http://www.argos-system.org [2])
Number of uplinks received by Argos satellites (left panels) or WC Motes (right panels) per time of day for 12 tiger sharks around Maui (top panels) and 12 Cuvier’s beaked and fin whales in Southern California (lower panels). Gray areas represent the times of day when the satellite coverage is the lowest at latitudes 20°N around the Hawaiian Islands (see also top graph of Fig. 1), and 33°N in Southern California
