^12 



BELL SYSTEM TECHNICAL JOURNAL 



LAYER 



-2 



)0 



:l 



_6 



5—1 



> AR 



>AL 



Sac 



Sag 



20 



25 30 35 40 45 



FREQUENCY- KILOCYCLES 

 Fig. 13 — Percentage deviations of layer average values of R, L, G, C from grand 

 average — 19 gauge pairs 



