How much gain does an antenna have compared to a half-wavelength dipole if it has 6 dB gain over an isotropic radiator?
Answer3.85 dB
A half-wave dipole has about 2.15 dB gain over isotropic, so subtracting 2.15 dB from 6 dBi gives 3.85 dBd.
Amateur Extra · FCC ELEMENT 4
E9A12
Amateur Extra · FCC Element 4 · answer reveals automatically