Anoutsideantennasystemshouldnotbelocatedinthevicinityofoverheadpowerlinesorotherelectriclightorpowercircuits,orwhereitcanfallintosuchpowerlinesorcircuits.Wheninstallinganoutsideantennasystem,extremecaresholdbetakentokeepfromtouchingsuchpowerlinesorcircuitsascontactwiththemmightbefatal. InstallationTheventilationshouldnotbeimpededbycoveringtheventilationopeningwithitems,suchasnewspapers, tablecloths,curtains,etc. Atleast10cmspaceshouldbeleftaroundtheapparatusforsufficientventilation. Theproductsh