Fig.3
Frequency (Ghz).                                                                     Interaction impedance (ohm)
64.302435	17.831922	
64.98002	10.190168	
65.957095	7.0986505	
67.19011	5.5105602	
68.62637	4.6019355	
70.207575	4.0615312	
71.87328	3.7499151	
73.564055	3.5988396	
75.2242	3.575917	
76.80384	3.6708644	
78.260365	3.8924173	
79.559095	4.2731935	
80.673215	4.8882484	
81.583085	5.910123	
82.27515	7.7989969	
82.74068	12.257882	
82.974595	34.645976