AA9PW is an amateur radio practice site built and maintained by Simon Twigger. It offers tools to practice for US amateur radio license exams and to learn and practice Morse Code online or through the Ham Morse iPhone app. The site dates back to 1996 and added POTA CW exchanges to its Morse Code Generator.
LCWO (Learn CW Online) is a free web app for learning Morse code in a browser, without installing a program. It offers a Koch Method course, speed practice with code groups and text, MP3 practice files, and text-to-CW conversion. Accounts allow users to track progress through statistical functions.
Morse Typing Trainer is a Google experiment for learning Morse code, created to make the learning process more fun. It is intended for people who have set up Morse code for Gboard and are ready to learn. The experiment is part of a larger project supporting Morse code for accessible communication and was built by Use All Five and Google Creative Lab.
A page from the American Radio Relay League providing amateur radio question pools for download or printing. It lists the Technician, General and Extra class pools with their validity periods, and notes that each pool is normally valid for four years.
HamStudy.org provides free amateur radio flash cards, practice tests, and question pools, along with question explanations and an introduction to ham radio. Study material is organized by exam, including Technician, General, Amateur Extra, and other question pools; user registration is free.
Musicca is a free music theory learning resource with exercises and content covering notes, rhythms, intervals, chords and instruments. It adds game elements to learning and offers accounts that give access to all content and remove ads. The site also provides material for schools and educators.
LilyPond is a free music engraving program in the GNU Project that produces sheet music through text input. Its style settings, font designs and algorithms are inspired by hand-engraved music. It handles classical music, complex notation, tablature, vocal music, lead sheets and orchestral projects.
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LCWO (Learn CW Online) is a free web app for learning Morse code in a browser, without installing a program. It offers a Koch Method course, speed practice with code groups and text, MP3 practice files, and text-to-CW conversion. Accounts allow users to track progress through statistical functions.
Morse Typing Trainer is a Google experiment for learning Morse code, created to make the learning process more fun. It is intended for people who have set up Morse code for Gboard and are ready to learn. The experiment is part of a larger project supporting Morse code for accessible communication and was built by Use All Five and Google Creative Lab.
A page from the American Radio Relay League providing amateur radio question pools for download or printing. It lists the Technician, General and Extra class pools with their validity periods, and notes that each pool is normally valid for four years.
HamStudy.org provides free amateur radio flash cards, practice tests, and question pools, along with question explanations and an introduction to ham radio. Study material is organized by exam, including Technician, General, Amateur Extra, and other question pools; user registration is free.
Musicca is a free music theory learning resource with exercises and content covering notes, rhythms, intervals, chords and instruments. It adds game elements to learning and offers accounts that give access to all content and remove ads. The site also provides material for schools and educators.
LilyPond is a free music engraving program in the GNU Project that produces sheet music through text input. Its style settings, font designs and algorithms are inspired by hand-engraved music. It handles classical music, complex notation, tablature, vocal music, lead sheets and orchestral projects.
