PTT 839 



000 



200 - 







W 

 CO 







50 100 150 200 250 



AVERAGE DIVE DURATION (SECONDS) 



300 



50 100 150 200 250 



AVERAGE DIVE DURATION (SECONDS) 



300 



200 



400 600 



NUMBER OF DIVES 



800 



1000 



Figure 85. A) The relationship of speed to average dive duration; B) number of dives versus 

 average dive duration; and C) speed versus number of dives for PTT #839. 



127 



