Revision as of 19:01, 26 March 2015 edit Bri (talk \| contribs) Edit filter helpers, Autopatrolled, Event coordinators, Extended confirmed users, Page movers, Mass message senders, New page reviewers, Pending changes reviewers, Rollbackers 179,488 edits →References: +cat, remove misplaced bullet item ← Previous edit		Revision as of 18:15, 13 February 2017 edit undo Pi3.124 (talk \| contribs) Extended confirmed users 21,522 edits →Period of Use: added detail and citation Next edit →
Line 3: ==Period of Use== These designators were used from the 1930s through the end of [[World War II]]. They were replaced after the end of the war with [[SIGAD]]s (SIGINT Activity Designators), which are similar in format and application. Two facilities, Vint Hill and Two Rock Ranch, were operated by the [[NSA]] until the 1970s.<ref name=Stephen>{{cite book\|last1=Budiansky\|first1=Stephen\|title=Code Warriors\|date=2016\|publisher=Alfred A. Knopf\|___location=New York\|isbn=9780385352666\|pages=301}}</ref> ==General Format==

Monitoring Station Designator: Difference between revisions