antenna masts definition
antenna masts means masts or other structures which are erected for the purpose of supporting antennas (i.e. that part of a radio system which is used directly for the transmission or reception of electromagnetic waves) or which are actually used for that purpose.
antenna masts means masts or other structures which are erected for or actually used for supporting antennas, the latter meaning those parts of a radio system which are used directly for the transmission or reception of electromagnetic waves; fixtures for small antennas are not considered antenna masts;