Learn Morse Code vs RST 599TK

Master International Morse Code with a progressive learning system designed for ham radio exam prep, aviation communication, and emergency signaling. Learn Morse Code transforms your phone into a tactical morse code trainer with authentic audio playback, decode practice, and speed drills that take you from zero to fluent CW operator. PROGRESSIVE LEARNING SYSTEM Start with the alphabet, then advance through numbers, punctuation, and prosigns. Each character set builds on the last, with mastery tracking that ensures you never move forward until you're ready. REAL AUDIO MORSE CODE PLAYBACK Hear every character as a pure sine wave tone with authentic dit/dah timing. Adjust speed from 5 to 30 WPM and tone frequency from 400 to 1000 Hz. This isn't a recording - it's programmatically generated morse code with proper Farnsworth timing. DECODE PRACTICE MODE The real test: listen to morse code audio and identify the character. Train your ear the same way professional CW operators do. Build the reflexive recognition you need for your ham radio license exam. SPEED TRAINER Progressive WPM challenges push your receiving speed higher. Start slow, build muscle memory, and work toward real-world CW operating speeds used on amateur radio bands. FLASHCARD LEARNING Study every character with visual morse code display and instant audio playback. Tap to hear, tap to reveal. Simple and effective memorization. HAPTIC FEEDBACK Feel the dit-dah pattern through your device. A tactile dimension that reinforces timing patterns and helps encode morse rhythm into muscle memory. PROGRESS TRACKING See exactly where you stand. Mastery percentages for Letters, Numbers, Punctuation, and Prosigns keep you motivated and focused on weak areas. TACTICAL DARK INTERFACE A modern aviation HUD-inspired design that's easy on the eyes during night study sessions. No clutter, no distractions - just clean tactical aesthetics built for focused learning. COMPLETELY OFFLINE No account needed. No permissions required. No internet connection necessary. Your progress saves locally. Learn morse code anywhere: on a plane, in the field, off the grid. NON-INTRUSIVE ADS Small banner ads only. No popup interruptions. No forced video ads breaking your focus mid-lesson. WHO IS THIS FOR? - Ham radio license exam candidates (Technician, General, Extra) - Student pilots and aviation enthusiasts - Preppers and emergency communication planners - Military and tactical hobbyists - Scouts working on merit badges - Puzzle lovers and lifelong learners Whether you're preparing for your amateur radio license exam, adding a skill to your emergency preparedness kit, or just love the elegance of the original digital communication system, Learn Morse Code gives you the tools to achieve real CW fluency. Download now and start your first lesson in under 10 seconds.

This app is a real CW QSO simulator for Amateur Radio.  "599BK & AADX Contest type QSO" is supported.  Input of Morse Codes are by using Electric Touch Keyer.  Changing of TX/RX is by SEND button. Supported Min-in CW Decoder too. 【Characteristic】 1. "599BK" and "Contest" style support. 2.Support the CW Speed Control, Reverse of Dot/Dash pad. 3.Status display showing TX / RX operation. 4.Support the space insertion operation both automatic and manual. 5.Support the Min-in CW Decoder function. 6.Support the shortcut-key of CQ and TU. CQ Button function can be set by setting menu. 7.Support the repeat-call function. It works only when the TU button is pressed at the end of the QSO. 8.Support input function by key button 【How to use】 1.The case of CQ Calling Press SEND button Input "CQ CQ DX DE (YOUR CALLSIGN) PSE K" by Touch Keyer. Press SEND button again 2.The case of CQ Answering Press SEND button Input "QRZ DX" by Touch Keyer or Straight Key. Press SEND button again --- Examples of QSO --- [CQ Calling] "CQ CQ DX DE xxnxx xxnxx PSE K" >>> xxnxx DE **n** K "**n** DE xxnxx UR RST 559 BK" >>> R MY RPT 559 UR RST 599 BK "QSL TU" >>> R 73 TU "E E" >>> E E [CQ Ansewing] "QRZ DX" >>> "CQ CQ DE **n** **n** PSE K" "**n** DE xxnxx K" >>> "xxnxx DE **n** UR RST 579 BK" "R **n** DE xxnxx UR RST 599 TU" >>> "R TU" "E E" >>> E E --- DETEC WORDS --- [CQ Calling] CQ CQ DX CQ NA CQ JA [CQ Ansewing] QRZ QRZ DX QRZ NA QRZ JA [BOTH] DE K BK UR RST 73 TU E E etc... 【Example usage video】 - Touch Keyer - https://www.youtube.com/watch?v=CuSEaJtD3KQ - Microphone IN Mode - https://www.youtube.com/watch?v=goN9hVDEGnM