Show 40 W AN IW W 99 I 1 ar will I 1 A WAIL 70 ser WA TER ph PC how to erect ait outdoor aerial the outdoor aerial to Is conceded to be the most efficient in that it transmits to the set a stronger signal than either an indoor aerial or a loop under equal conditions the ideal outdoor aerial for receiving Is a single wire from 60 50 to iro feet long including leadin lead in installed 10 to 20 feet higher than surrounding buildings the aerial should be erect ed so that one end comes near a win dow to provide a short direct leadin lead in the aerial should not be near trees telephone wires or high tension wires when necessary to pass a telephone wire the aerial wire should cross as near at right angles as possible the aerial wire should never cross either above or beneath a power line when near a power line erect the aerial at right angles to avoid inductance noises supporting wires for the aerial should extend several feet from the supports large porcelain insulators preferably of the corrugated type should be used the leadin lead in should be as direct as ra possible but should be kept from the building a distance of several inches up to the point where it enters the window the important features of the outdoor aerial as shown in the diagram are A aerial wire B tension insulator 0 tension insulator D supporting wire irr supporting wire P F screw eye 0 screw eye 11 continuation of A I 1 leadin lead in bushing J lightning arrester K ground wire L ground clamp at f r distance greater than 50 trillas from the nearest powerful broadcast ing an aerial of feet in eluding leadin lead in will be fouad to alvo the greatest volume and satisfactory selectivity in congested adeas an aerial as short as 60 50 or 75 feet including leadin lead in gives better selectivity and ample volume from local stations many radio fans have two aerials a long one for distance stations and it a short one for tuning out troublesome nearby near by stations |