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Man overboard can also be signaled with three prolonged blasts on the ship's whistle and general alarm bell (Morse code "Oscar"). [4] Mr Skylight paged over the PA system is an alert for the crew on board and means there is a minor emergency somewhere. [6] [7] Oscar, Oscar, Oscar is the code for man overboard aboard Royal Caribbean and ...
This original ASTRO system was later converted to ASTRO 25. Today, ASTRO 25 is widely used for public safety communications. [9] ASTRO 25 enables federal, state, and local public safety agencies to achieve compatibility and communicate in emergencies and widespread disasters, such as Hurricane Katrina [10] and the Boston Marathon bombing. [11 ...
The National Public Warning System, also known as the Primary Entry Point (PEP) stations, is a network of 77 radio stations that are, in coordination with FEMA, used to originate emergency alert and warning information to the public before, during, and after incidents and disasters.
Typical at-home medical alert systems have a base unit in the home that connects wirelessly to wall-mounted sensors or wearable devices. On-the-go, or mobile systems, include a rechargeable ...
The Emergency Alert System began to build up on most cable television systems through the installation of then-new generators and encoders between 1997 and 1999. Some of the notable EAS generators at the time include Video Data Systems, Texscan, Gorman-Redlich, Idea/Onics, and Cable Envoy; and encoders include SAGE, TFT, and Trilithic models.
The National Warning System (NAWAS) is an automated telephone system used to convey warnings to United States–based federal, state and local governments, as well as the military and civilian population. [1] The original mission of NAWAS was to warn of an imminent enemy attack or an actual accidental missile launch upon the United States.
First amateur radio satellite OSCAR 1, launched in 1961 Simple OSCAR beacon signal, 1962. The first amateur satellite, simply named OSCAR 1, was launched on December 12, 1961, barely four years after the launch of the world's first satellite, Sputnik I. The satellite had to be built in a very specific shape and weight, so it could be used in ...
This "code" is one of many innocuous sounding secret codes that stores use to alert employees to problems without distracting you from shopping.