Showing 101–120 of 1,000 ranked alternatives.
Sebastin Michael
Learn code with interactive lessons
Translate text to code and back using visual, audio, or haptic feedback. Convert between text and code instantly. Practice with interactive lessons and quizzes. Track progress and review lessons for mastery.
Program Executive Office for Enterprise Information Systems, Sea Warrior Program
Ronald Nicholson
Decode code audio into text
Decode code audio into text. Display audio spectrum and tone amplitude graphs. Adjust narrow band audio filter between 400-1600 Hz. Set WPM speed for dot/dash detection. Configure tone frequency thresholds. Export decoded text.
Patrick J Maloney LLC
Upgrade your HAM license with questions
Review and practice questions from the Amateur Radio License exam pool. Access the Question Pool effective July 1, 2024. Track progress and prepare for exams. Upgrade from General to Amateur license. Sync study sessions across devices.
Carlos Franca
Convert text
Learn and convert using text-to- visualization and -to-audio playback. Input text to generate symbols or enter for audio output. Practice with interactive exercises and view progress tracking.
Tsukasa Yamanaka
Learn and practice morse code with adjustable
Learn and practice Morse code with WABUN and International codes. Adjust speed, frequency, volume, and sound waveform. Customize code length and timing. Generate training sequences from defined strings or letters.
Maxim Lukyanenko
Look up IMO phrases and maritime rules
Provides access to IMO phrases, MARPOL convention details, and flags of state. It includes ColReg-72 regulations, IALA system descriptions, and ICS signals with flags, phonetic alphabet, and Morse code.
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