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I found this in a charity shop today. Does anyone else remember having something similar as a child? I think I had a Tandy version. #hamradio #amateurradio
FLARE KNOCKS OUT RADIO COMMUNICATIONS: Radio communications below 5 MHz were knocked out by the X2.28 flare (see earlier tweets) over a large part of western N. and S. America and the Pacific Ocean.
Early radio pioneer Julio Cervera Baviera was born today in 1854. Baviera worked with Marconi on long-range wireless communication. en.wikipedia.org/wiki/Julio_Cer… #hamradio #amateurradio #radiohistory
Today in 1775 André-Marie Ampère was born. Ampère is remembered as one of the fathers of electromagnetism. en.wikipedia.org/wiki/Andr%C3%A… #hamradio #amateurradio #radiohistory #hamr
Today in 1859 Alfred Vail died aged 51. Together with Samuel Morse, Vail made vital contributions to the early development of telegraphy systems. en.wikipedia.org/wiki/Alfred_Va… #radiohistory #cw #morsecode #hamradio #amateurradio
Today in 1943 Nikola Tesla died aged 86. Tesla was an inventor and engineer. He is most famous for his work on alternating current (AC) systems. en.wikipedia.org/wiki/Nikola_Te… #engineering #hamradio #amateurradio #hamr
Today in 1894 Heinrich Hertz died aged 36. Hertz was the German physicist who proved the existence of electromagnetic waves. #radiohistory #amateurradio #hamradio
On 18 December 1890 Edwin H. Armstrong was born. Armstrong is famous for developing Frequency Modulation and the Superheterodyne receiver. #radiohistory #hamradio #amateurradio
Today in 1853 Temistocle Calzecchi-Onesti was born. He discovered the principle behind the early Coherer radio receiving device. en.wikipedia.org/wiki/Temistocl… #hamradio #amateurradio #radiohistory
12 December 1901: Marconi arranged for a letter 'S' to be sent by Morse Code from England to Canada. The letter was received with great difficulty but it was the first transatlantic wireless radio communication #radiohistory #hamradio #amateurradio #morsecode
Today in 1858 Jagadish Chandra Bose was born. He is considered to be one of the fathers of radio science. en.wikipedia.org/wiki/Jagadish_… #radiohistory #hamradio #amateurradio
Today in 1849 John Ambrose Fleming was born. Fleming invented the first thermionic valve and vacuum tube. He also designed the transmitter responsible for the first transatlantic radio transmission. en.wikipedia.org/wiki/John_Ambr… #radiohistory #hamradio #hamr
Today in 1922 Temistocle Calzecchi-Onesti died aged 68. He discovered the principle behind the early Coherer radio receiving device. en.wikipedia.org/wiki/Temistocl… #hamradio #amateurradio #radiohistory
Today in 1844, Édouard Branly was born. He is known for his work in early telegraphy and is famous for inventing The Coherer, one of the first radio receivers. #hamradio #amateurradio #radiohistory
Today in 1937 Jagadish Chandra Bose died aged 78. He is considered to be one of the fathers of radio science. en.wikipedia.org/wiki/Jagadish_… #radiohistory #hamradio #amateurradio
Today in 1860 Nathan Stubblefield was born. Stubblefield was an American inventor and is famous for his wireless telephone work. en.wikipedia.org/wiki/Nathan_St… #hamradio #amateurradio #radiohistory
Today in 1837 Amos Dolbear was born. Dolbear was an American inventor and is famous for is work in wireless telegraphy. en.wikipedia.org/wiki/Amos_Dolb… #hamradio #amateurradio #radiohistory
Looking to get your Intermediate amateur radio licence? Bath Based Distance Learning team will run next Intermediate course from Jan - May 2023. Apply by 7 Dec. No charge for training but you'll need own textbook & some equipment. FFI: email Steve, G0FUW g0fuw@bbdl.org.uk #hamr
Today in 1879 James Clerk Maxwell died aged 48. Maxwell is responsible for the classical theory of electromagnetic radiation. en.wikipedia.org/wiki/James_Cle… #radiohistory #amteurradio #hamradio
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