Hesa Fredrik

Swedish thumb|A Hesa Frerik. thumb|The sound of Hesa Fredrik during a test in March 2017. Etymology sv sv hes Hesa Fredrik Hoarse Fredrik. Allegedly sv Oscar Fredrik Rydqvist 1931 Dagens Nyheter columnist sv: 1. Noun c Hesa Fredrik type of outdoor sirens used to broadcast a sv VMA Important Announcement to the Public; broadcasting system used to invoke the attention and alert the public in situations of immediate danger (e.g. toxic smoke, poisonous water supply, forest fire, war, etc.) sv VMA flyglarm mistlur See also sv tut i luren