Salt Lake Telegram | 1931-11-18 | Page 19 | Plane Radion Signals Heard Miles Away

S.- S. I Plane Radio Signals Heard Miles Away CHICAGO Nov 18 JP 4 P Air signaLs signals signals sig sig- sig- sig nals of pilots flying high over the Rocky mountains were heard in Chicago Chicago Chicago Chi Chi- cago l last t night The listeners were guests of or the Western Society of Engineers and the Association of ot Commerce who saw and heard a demonstration of new developments in electrical communication communication communication cation given by E. E Grace vice president of the Bell Tel Telephone phone laboratories lab lab- oratories For the first time voices of the pilots were brought to ta Chicago by telephone from Cheyenne Wyo where they were picked up from an airline radio broadcasting station They were amplified sufficiently to be heard by the entire audience