man <» KEsos.WT cavities 



411 



is contined to the circular cylinder, with changes in units and notation as 

 specified later. 



0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 



Fig. 1 — iSIodc chart for right circular c\linder resonant cavity. 



The Mode Chart 



The formula relating the resonant frequency to the mode, shape and 

 dimensions of the cylinder is of prime interest. Tt may be simply written as 



{JDf= A + ^"'(f 



(2) 



