Observed arrival · 2026-10-20
DahDahDit’s ear-first Morse trainer
A free browser-based trainer teaches Morse reception by ear using Koch lessons, radiograms, and adaptive practice.
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- New Morse learners practicing reception by ear
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- New characters appear after 90% accuracy; sessions are advised in five-minute blocks at least two hours apart.
Field notes
The lesson begins with two characters and adds another when the learner reaches 90% accuracy. For practice beyond the introductory course, the page describes radiogram reception in 20 groups of five characters with error tracking, plus an adaptive mode whose speed follows accuracy. Its guidance recommends brief sessions and breaks of at least two hours between them.
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