PTT 840 



29 AUG 08 SEP 18 SEP 28 SEP 08 OCT 18 OCT 28 OCT 



:^ 



a. 



CO 



20 



15 - 



10 



5 - 



en 



> 



o 



Qi 



M 

 P3 



1000 



800 - 



500 - 



400 - 



200 - 



OCT 



29 AUG 08 SEP 18 SEP 28 SEP 08 OCT 18 OCT 



OCT 



Figure 82. The chronological relationship of average dive duration, speed and number of 

 dives for PTT #840. 



123 



