TRANSMISSION IN ISOTHERMAL WATER 



99 



200 CYCLES 

 (26 RUNS) 



10 



SOURCE AT 14 FEET 

 HYDROPHONE AT 50 FEET 



ISOTHERMAL LAYER AT LEAST 

 80 FEET DEEP 



• INDIVIDUAL POINT 

 o MEDIAN 

 OUARTILE 



2000 4000 



SLANT RANGE IN YARDS 



Figure 12. Average transmission anomalies at sonic frequencies. 



