Experimental data taken on microstrip built on ferrite and garnet substrates are presented and compared with theoretical values calculated from formulas derived in a previous paper which were extended to gyromagnetic media. Good agreement has been obtained between experiment and theory. In particular the observed increase in wave attenuation at frequencies near /spl omega//sub m/ is fully explained when the frequency dependence of the characteristic impedance is taken into account.
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Massé et al. (1972) studied this question.