ANTENNA, WIRELESS

the aerials used in the operatio n of aerial telegraphic communi cation at land wirele stations or on ve els. These aerials are wires, various in number and grade, strung up and down a tower, pole or mast, and connected with the receiving or transmitting apparat us in the instrument room, worked by the wirele telegraph operator. The use of antenna, is conveyed by the original application | of Se the flexible word to laments, the ‘feelers’ suggesting of insects, wires honing With eee of touch and even a|aeciaic”” wirele “teleee ae ost gene!be conducted and to that extent thie ap-|remarkable means of communicatio | cannot be said to be strictly wirclo : The antenna at the top of Bei: or mast picks ap eg e chy aioocie ot nother wirele installation | PY,°lectrical actuation of sound waves | 22¢,Cnveys it along its wires down ito = prs bal Pia Mle Me bares when or desires ansmit a mesSage through space, his operation of | devices at hand charges the wires and the | Words are despatched to their destinaPonca apex a es that long}"umber of parallel aerial wires or antenna are employed, the object is to Obtain an increased capacity wherein | to store electrical energy to be radiated as electrical waves, the vertical wires a conden as Mabie eared and the air the insulating medium. The wires used are of iron, copper or alum i20d are insulated.