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用两个空的铝制饮料罐(易拉罐),将一根长60厘米或更长一点的双股电线的一端两头各接在一个罐的开口处,另一端的两个头扭在一起或分别插入电视机天线插孔。两个空铝制罐,安放在电视机后方
With two empty aluminum beverage cans (cans), connect one end of a double-length electric wire 60 cm long or longer to the opening of one can and the other two ends are twisted together or inserted TV antenna jack. Two empty aluminum cans, placed in the rear of the TV