Search results
Results from the WOW.Com Content Network
The use of flashing lights and sirens is colloquially known as blues and twos, which refers to the blue lights and the two-tone siren once commonplace (although most sirens now use a range of tones). In the UK, only blue lights are used to denote emergency vehicles (although other colours may be used as sidelights, stop indicators, etc.).
A police code is a brevity code, usually numerical or alphanumerical, used to transmit information between law enforcement over police radio systems in the United States. Examples of police codes include " 10 codes " (such as 10-4 for "okay" or "acknowledged"—sometimes written X4 or X-4), signals, incident codes, response codes , or other ...
On January 13, 2018 at approximately 8:07 a.m. HST, the Hawaii Emergency Management Agency (HI-EMA) mistakenly issued an emergency alert warning of a ballistic missile inbound threatening the region, which was claimed to be not a drill. 38 minutes later, it was announced by HI-EMA and the Honolulu Police Department that the alert was a false alarm.
Hurry, but do not use red light or siren Stopping suspicious vehicle (Give station complete description before stopping). Traffic stop on ... 10-39 Your Nr...delivered to addressee. Use red light and siren Urgent-Use light and siren — General Use: Private Use: 10-40 Advise if Officer...available for radio call. Notification Silent run - No ...
1 Alerting Communicators of America (ACA) sirens. 2 ATI sirens. 3 Federal Signal sirens. 4 Other. Toggle the table of contents. List of civil defense sirens. Add ...
As the threat of air raids or invasions in the United States seemed less likely during the war, the focus on the Civil Defense Corps, air raid drills, and patrols of the border declined but the other efforts continued. Unlike the end of World War I, the US did not dismiss all its civil defense efforts as soon as World War II ended.
Discover the best free online games at AOL.com - Play board, card, casino, puzzle and many more online games while chatting with others in real-time.
It is not unusual, especially in the case of modern fire engines, to see an emergency vehicle equipped with both types of sirens. Often, police sirens also use the interval of a tritone to help draw attention. The first electronic siren that mimicked the sound of a mechanical siren was invented in 1965 by Motorola employees Ronald H. Chapman ...