World Amateur Radio Day
World Amateur Radio Day is held on April 18. Every April 18, radio amateurs worldwide take to the airwaves in celebration of World Amateur Radio Day. It was on that day in 1925 that the International Amateur Radio Union was formed in Paris. This event in the second decade of the month April is annual. 
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You can talk to radio amateurs in any country in the world without wire connection, wireless from you to them. ARISS stands for Amateur Radio on the International Space Station. Ham operators set up their equipment and people, for example students, can communicate with astronauts in space. While ham radio as a backup form of communications is well known, that there is an internet via ham radio is less well known. The first is AMPRNet.
Many experienced operators volunteer to offer support and guidance for newbies. Elmer is the term for a Radio Amateur mentor.
Although hams use many different modes of communication such as voice, digital and even television, the original mode was Morse code. In order to save time, many abbreviations were created by Morse users and 73 is used to sign off with a friendly good-bye. Of course, if you are talking with that special someone a different number is used, 88, which means “love and kisses”.
Similar holidays and events, festivals and interesting facts
Malbec World Day on April 17 (Malbec is a purple grape variety used in making red wine. MWD is celebrated to commemorate the day when president Domingo Faustino Sarmiento of Argentina officially made it his mission to transform Argentina's wine industry. On that day, back in 1853, he tasked Michel Aimé Pouget, a French soil expert, to bring over new vines);
Secretary's Day in Pakistan on April 17
Bat Appreciation Day on April 17
Blah Blah Blah Day on April 17 (is the opportunity to stop procrastinating and get to grips with all those stalled projects and broken promises right now);
Ford Mustang Day on April 17 (The Ford Mustang was first introduced to the world in April of 1964);
Haiku Poetry Day on April 17
Kickball Day on April 17
International Pizza Cake Day on April 18
World Trifle Day on April 18
Newspaper Columnist Day on April 18
High Five Day on April 18
National Lineman Appreciation Day on April 18
Broadcaster's Day in the Dominican Republic on April 18
Pet Owners Independence Day on April 18
National Velociraptor Awareness Day in USA on April 18
World Bicycle Day on April 19 (The events of the first LSD trip in April 19, 1943, now known as “Bicycle Day”, after the bicycle ride home, proved to Hofmann that he had indeed made a significant discovery: a psychoactive substance with extraordinary potency, capable of causing significant shifts of consciousness in incredibly low doses);
International Cat Lady Day on April 19
Garlic Day on April 19
Hanging Out Day on April 19
Poetry And The Creative Mind Day on April 19
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