Show RADIO GOSSIP SA YES TROOPS German Germau Submarines Positions Pos Pos- Positions Positions V Known By ByU ByU U S Transports WASHINGTON Jan 3 By 3 3 ByThe I The Associated The Press Press The I-The The radio gossiping of German submarineS and their kidding of French radio stations took a a positive hand In navy helping the An navy to car car- carry carry car carry ry the American expeditionary cea ro forces across the Atlantic without t the loss lollS of a n man The rhe story glory of the UIO part palt the tho buzz of the enemy radio played in this undertaking was vas told by Rear Ad- Ad Ad Admiral miral John Halligan Jr during recent hearings on the navy nary de- de department de appropriation bill report rep reported reported ed cd today to the tho house Ills His story follows SHIPS SUI PS U JL It n haw has caused a great deal or of wonder and I havo heard many people ask the question how It was as that our transports were not tor torpedoed whereas other classes cluses of vessels were torpedoed but In no case was walt wa a t carrying troops successfully- successfully attacked by a submarine During the war the allies built and established radio compass sta- sta stations sta stations lions on the south coast of Ireland and the coast cout ot of England and the west coast of France The German submarines used their radio very freely ely not knowing that these com com- compasses compasses passes existed l They talked tall to each other and talked to German Cerman sta- sta stations stations sta stations and they even poked fun tun at atthe the tho French stations called up the French radio stations and joked th them m TRACED m BY RADIO UlO Ev Every ry time a 0 submarine used her radio his bis position was cut III ht from fron these r radio lo compa compass a stations illations on shore Ills Ilia position was plotted j on a chart In the tho operations room of our headquarters In Brest J Each ach message gave the llio submarino submarine's rino rines rine's call letter 1 so 0 0 that wo we were wen able ablo to plot successive positions of the same submarine Alter studying their movements for some somo time wo wa discovered that the they operated in a rectangle witch whIch roughly is shown on this chart ex- ex extending extending ex extending tending approximately miles oft off offshore offshore shore but leaving a gap gilt of ot about a between hundred nilles miles south of o them be- be be tween the tho bottom of o the rectangle and the coast of Spain and also a agap agap gap to the tuo eastward near the tho vast I of France I ranee They llcy apparently had I selected the limo crossing of trades rados routes in the tile Biscay the to east east and west bound ships to the coast of Franco southbound and time the north and south bound routes route to Gibraltar and the th Azores and in III the beginning of the tho war they had decided to occupy that rectangle We never got them outside outride that rectangle lo except on routes to the Azores or coming to and from the Mediterranean I CHANGED ROUTES Our methods was to meet the convoys miles tulles off oft shore with our ur destroyers The destroyers be- be before be before fore leaving Brest were given three routes A nand B and C A being the best route that generally was to the southward of or this rectangle Then rhen up to the northward would be ba baB ben boB n B and the C through the rectangle Our destroyers flashed the th word contact u as a soon as they go got the convoy and thereafter we con con- controlled con controlled trolled their movements from rom Brest It If If this southern route roule which they generally used remained clear of submarines we had no further with them until they got to port port port- But Dut If It a submarine sub sub- sub submarine marine marine appeared threatening that route roule on the way to the Azores or orthe orthe the route to the Mediterranean we would simply tell toll them to use usa route B n or C |