work_against_tide_page_121

work | against tide page 121 | https://thedailydialectics.com/pdfs/work_against_tide/work_against_tide.pdf

COMSEC SURVEILLANCE 109 While microwave transmissions in plain language could sometimes be heard at the three-mile limit, they were not intercepted in the location customarily occupied by the Soviet SIGINT trawler. Although by the end of 1967 TEMPEST corrective measures, consistent with funding and…