Canada Canada Top Secret Memo

Document Text (OCR)

TOR-STCRET CoN FID eMTVAL —— DEPARTMENT OF TRANSPORT ~ | ; INTAA-OERARTMENTAL COHRESHONOENCE, y OTTAWA, Ontario, Wovemhber 21, 1950. reace¢ mate r ee = — | SUMILEY ee ee 4 a8 Ounm PLE Geo-Magnetica Me , bai —_—" = —_—_—s" = : an wv aly - ee fp iN Ni Pe Le eee 1 ee ee re eT eee ew ae ea Ys o! ve ae aw Litt aw 33 5a st B ri \E Y KEMORANDUM TO THE CONTROLLER OF TELECOMMUNICATIONS : € iq © ~ ce ii" For the past geveral years wo hsve teen engaged in the study various espectea cf radio wavs...