  
 For W/h=0.5 ,   
 
 Effective dielectric constant =   
 
    6.2165339  
 
 Charcteristic impedance (in ohms) =   
 
    66.908274  
 
 Velocity of propagation (in m/s) =   
 
    1.203D+08  
 
 For W/h=5,   
 
 Effective dielectric constant =   
 
    7.7091187  
 
 Charcteristic impedance (in ohms) =   
 
    17.781923  
 
 Velocity of propagation (in m/s) =   
 
    1.080D+08  
