EntityQ477992· pop 9· linked from 41 articlesfree-space path lossSign in to savepath loss of radio transmitted through air or vacuumConnectionsvacuumEntityhertzEntityisotropic radiatorEntityleafEntityInternational Standard Book NumberEntityInternational System of UnitsEntityspeed of light in vacuumEntitytelecommunicationsEntitykilometreEntitydigital object identifierEntitywavelengthEntitydecibelEntityterrainEntityurban areaEntitypolarizationEntityQ22908627Entityinverse-square lawEntityintensityEntityhigh frequencyEntityradio propagationEntityCategoriesRadio frequency propagation modelTelecommunications engineering