0.15 
poysew jonuow peisnipy @e J 
poyyow peyoWwoinyV QOQdO 
(e6Dseny) oD 
ie) ee ang 
4U9191J4909 UOILO9|Joy 
fe) 
2 
50 
Cumulative Time (hr) 
Reflection coefficient variation in experiment 
72C-10. 
Figure 3. 
19 
