Morse Code Tool
Mark Wong
Convert text to and send signals
Convert text to and vice versa. Send and receive signals using front or rear light sources. Toggle manual light signals for instant SOS alerts. View signal patterns and practice encoding.
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KRK Audio Tools
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Measure frequency in real time
Measure and display real-time frequency spectrum with Spectrum RTA. Calibrate monitor levels using the Level Meter. Determine optimal EQ presets with EQ Recommendation. Align monitors for accurate sound with Monitor Align.
RST 599TK
koji kamogawa
Practice CW QSOs and send Morse code
Simulate amateur radio CW QSOs with contest-style operations. Input Morse code using an electric touch keyer. Switch between transmit and receive with a send button. Adjust CW speed and reverse dot/dash settings. Display TX/RX status.
Converter and Calculator Lite
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Convert units and currencies instantly
A and unit/currency with a clean interface. Convert between 500+ units across 29 categories and 161 currencies. Customize colors and display selected units. Enter values to instantly convert between units.
MorseKey
Ronald Nicholson
Send Morse Code with touch gestures
Learn and practice Morse Code by touching the screen to generate tones. Adjust tone frequency from 300 Hz to 1200 Hz and control volume. Send dots with short touches and dashes with longer holds.
Oscilyzer
Stefan Robl
Analyze, visualize, and synthesize audio signals
Oscilloscope mode displays real-time waveforms with automatic and single-shot triggering. Measures frequency, period, and amplitude automatically or manually. Spectrum analyzer mode identifies frequency components and amplitude levels.
Morse:Code training to CW guru
Sergey Vanichkin
Train and send code messages
Learn and practice code with modes for beginners and professionals. Practice listening comprehension and alphabet character recognition. Create text archives for classroom dictation exercises. Transmit LED-coded messages for encrypted communication.
Blunami Classic
BlueRail Trains LLC
Control locomotives with DCC decoders
Control locomotives with DCC decoders via Bluetooth. Adjust speed, direction, and sound effects. Manage multiple trains simultaneously. View real-time status and send commands through a mobile interface.
Audio-Technica Installed Sound
Audio-Technica Corporation
Generate RTA measurements and SPL readings
Tools for professionals include real-time analysis with SPL display, tone and noise generation, wavelength calculation, UHF frequency reference, antenna line loss assessment, microphone gain calculation, and recording/playback of test signals.
Multiple Tone Generator
Loop-Sessions.LLC.
Udio signals with 6 channels
Udio signals for up to 16 channels. Choose from four wave types: sine, triangle, square, and saw. Adjust volume per channel. View and summarize waveform settings at the bottom of the screen.
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