41748549078781_page_183

41748549078781 | page 183 | https://thedailydialectics.com/pdfs/FIOA/41748549078781/41748549078781.pdf

REF ID:A56914 —CONFIDENTIAL— Secarty-informet ~l6h- logical that many countries should use these waves also for military pur~ poses. However, short-wave signals have a great disadvantage in that they fluctuate and are extremely ureliable when received in the skip zone whose limits are difficult to…