Show RADIO WAVES radio tubes are made of thin glass and glass breaks easily under shock the guy who usei to listen im IH on the party line now visits his neighbor so ns as to listen in on the radio set sel A loop imp antenna Is supposed to in te percept maxi maximum signal strength when it Is pointed toward the trans witter but this directional property ts affected by the surroundings united states stations along the atlantic coast anve started a reg ular alar system for broadcasting weather reports to aircraft in flight and tor for i the lie exchange of ensher information between mival air stations when han computing the length of th radio aerial the lead leadin in should be counted as pirt part of UW length this part paiit of the antenna la Is just as imper tant as the pan supported lia in the hori bori contal plane because connections bacq hav a bud habit of working loose every jery effort should be made to keep them tight n ln many ease they should ba b soldered to insure staying tight A bad connection either meana n q set or weak signals t binding post strip q should be so ar 1117 ranged that all high potential nala nal sare are as aft far r part apart a as possible I 1 Is also aso wise ase to place he aerial post one end 0 of the strip and the brount post at the other in this way leak age between een terminal nab wilt will be key kely itt 1 l a ml minimum |