cryptolog_65_page_5

cryptolog | 65 page 5 | https://thedailydialectics.com/pdfs/FIOA/cryptolog_65/cryptolog_65.pdf

DOCID: 4019690 * Usage of the 20-30 MHz range, and use of “open” frequency channels on an opportunis- tic non-interference basis, is expected to grow. (U) The reported "death" of HF has been greatly exaggerated. Its use has continued to grow even though the U.S. Services largely switched to…