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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 ...
Signal flag Oscar indicates "man overboard". Rescue (MOB on a boat) "Man overboard!" is an exclamation given aboard a vessel to indicate that a member of the crew or a passenger has fallen off of the ship into the water and is in need of immediate rescue. Whoever sees the person fall is to shout, "Man overboard!"
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 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 ...
AMSAT-OSCAR 51 or AO-51 is the in-orbit name designation of a now defunct (following battery failure) LEO amateur radio satellite of the OSCAR series; formerly known as ECHO, built by AMSAT. It was launched on June 29, 2004 from Baikonur Cosmodrome, Kazakhstan on a Dnepr launch vehicle. It is in Sun synchronous low Earth orbit.
This system performed its observations of the stars above the aircraft via a circular quartz glass window set onto the upper fuselage. [13] Its "blue light" source star tracker , which could see stars during both day and night, would continuously track a variety of stars as the aircraft's changing position brought them into view.
OSCAR 1 (Orbiting Satellite Carrying Amateur Radio 1, also known as OSCAR 1) is the first amateur radio satellite launched by Project OSCAR into low Earth orbit.OSCAR I was launched December 12, 1961, by a Thor-DM21 Agena B launcher from Vandenberg Air Force Base, Lompoc, California.
OSCAR (Open System for CommunicAtion in Realtime) is AOL's proprietary instant messaging and presence information protocol. It was used by AOL's AIM instant messaging system and ICQ . Despite its name, the specifications for the protocol remain proprietary.