Z 0.8 



I 0.4 



0.2 0.3 



0.4 0.5 0.6 0.7 O.a 0.9 1.0 



RELATIVE RADIUS 



Fig. 16 — End plate currents in TM 12 mode. 



5 -0.2 



5 -0.6 



04 0.5 0.6 



RELATIVE RADIUS 



Fig. 17 — End plate currents in TE 02 mode. 

 45 



