/■ r 







'37 ' 



oivtnocncc of 



OATMOOOMALB 

 POODOCCt LOW 



waves ID tmis 



-ADC* 



COVE 



CONVCROCNCC or OOTMOaONALS 

 P«(00UCCS MI«M WAveS IH THIS 

 ADCA 



OCPTM CONTOUBV 



IN 'ATMOMS 



It SECOND ^eoioo 



(Wiegel,l953) 



Figure A-6. Refraction Diagram. 



A-49 



