VERSATILITY 



The tower is versatile. It is well 

 suited for studies of the atmosphere, the 

 shallow-water oceanic environment, and 

 the sea floor. Several investigations — 

 related or unrelated — can be conducted 

 simultaneously from its stable platform. 

 It is adapted not only for work on NEL's 

 problems but those of other activities as 

 well. And it has unique value for ocean- 

 ographic research in three dimensions 

 (depth, distance, time) when it is coupled 

 with remote instrumentation, such as 

 sensors anchored on the sea floor, or 

 linked with a moving vessel, such as a 

 ship or diving saucer. 



The tower's versatility is demonstrated by the wide 

 variety of sensors and instruments located above the 

 water, throughout the water column, and on or under 

 the sea floor adjacent to the tower. Tower studies 

 emphasize factors affecting propagation, transmis- 

 sion, and reception of underwater-sound signals. 



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