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The rectangular waveguide displays a rectangle -e with dimensions a and b. a equals 0.02 m and b equals 0.00901 m. the text reads, the absolute value of k equals 209.4395. Lambda sub 0 equals 0.03. e sub r equals 1.0. Micro sub r equals 1.0. f equals 10.0 gigahertz. Input, width, a equals 0.02 m. ratio s over b equals 2.22. Frequency equals 1.0E10 Hertz. Summation sub r equals 1.0. Micro sub r equals 1.0. Mode properties. The fundamental mode is the TE sub 10. Cutoff frequency f sub 0 equals 7.5 gigahertz. Cutoff wave length. Lambda sub c equals 0.04 meters. At the frequency of operation, phase velocity, micro sub p z equals 4.52557. Group velocity micro G Hz equals 1.98431. Guide wavelength, lambda sub g equals 0.045356 meters. Guide impedance, n sub T E equals 569.957 omega. Wave vector components, k sub z equals 138.53121. K sub x equals 157.07963. K sub y equals 0.0. Total number of propagating modes equals 1 mono mode condition. Output, On the transverse electric field, color coding from blue to red corresponds to 0 to + TE sub 1,0, respectively. The top and bottom of the field are in blue while the middle portion is red. On the mode spectrum, a vertical line is plotted at 10.0 GHz.