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The ARRL publishes various technical books and online courses. Members of the organization also have access to a special Members Only section of the ARRL web site that includes technical documents, expanded product reviews of amateur radio equipment, expanded contesting information, and a searchable database of all league publications.
The ARRL published "Vintage Radio", a collection of articles from QST magazine describing vintage equipment, restoration, and operation. [ 33 ] The Antique Wireless Association of Southern Africa is devoted to the "maintenance and preservation of our amateur heritage" for enthusiasts of older types of short wave radios and amateur equipment ...
The teleprinter converts it to serial format and transmits a sequence of a start bit (a logical 0 or space), then one after the other the 5 data bits, finishing with a stop bit (a logical 1 or mark, lasting 1, 1.5 or 2 bits). When a sequence of start bit, 5 data bits and stop bit arrives at the input of the teleprinter, it is converted to a 5 ...
He became an expert in the field, authoring books that included Patent Notes for Engineers in 1956, Inventors and Inventions in 1957 [27] and Accounting and Tax Aspects of Patents and Research (with J. A. McFadden) in 1960, as well as eight Journal of the Franklin Institute articles, including "So, You Want To Be an Inventor".
Visual representation of traffic passing of ARRL radiograms between various nets, from Wisconsin to California. The National Traffic System (NTS) is an organized network of amateur radio operators sponsored by the American Radio Relay League for the purpose of relaying messages throughout the U.S. and Canada.
Poker: Five Card Draw. Make the best five-card combination with an opportunity to draw, while enjoying structured betting. By Masque Publishing
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