INDEX 



Training Publications for Advancement 



in Rating, 3, 6 

 Transducers, 91-95 

 Transformers, 164 

 Transistors, 171 



Transmission losses, sound pulse, 43 

 Troubleshooting procedure, test methods, 159 

 True bearings, 22 

 Tube tester, 158 



Underwater fire control, 110-114 



systems, 123 

 Underwater sound transmission losses, 43-45 



Variable depth sonar, 108 

 Voltmeter, 157 



U 



W 



Underwater communications, 141 

 telegraph procedures, 143 

 voice procedures, 142 



Wavelength, 37 



Weapons, antisubmarine, 110-112 



181 



