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+//chapter-10 page 488 example 10.7
+//==============================================================================
+clc;
+clear;
+
+Tant=25;//effective noise temperature in K
+Tr=75;//receiver noise temperature in K
+GdB=45;//Isotropic power gain of the antenna in dB
+
+//CALCULATION
+T=Tant+Tr;//The total noise in K
+TdB=10*log10(T);//The total noise in dB
+MdB=GdB-TdB;//Figure of merit of earth station in dB
+
+//OUTPUT
+mprintf('\nFigure of merit of earth station is MdB=%2.0f dB',MdB);
+
+//=========================END OF PROGRAM===============================