RST Decoder 3.1.0

RST Decoder 3.1.0

koji kamogawa – Freeware – iOS
out of 5 votes
Latest Version
3.1.0
Safe to install
image/svg+xml EXCELLENT User Rating

This app serves as a Morse code decoder that utilizes input from the microphone. It functions as a valuable Morse code practice tool, allowing users to verify the accuracy of their keying in real-time. The decoding accuracy is dependent on the signal-to-noise ratio, with optimal results achieved under good S/N conditions. However, decoding performance may suffer in the presence of poor S/N levels or extremely slow/fast signals.

Typically, a sequence of 5 to 10 characters is necessary for Morse code speed synchronization. Users are advised to fine-tune the input signal to transition smoothly from level 6 to level 7. Adjustments to various parameters should be made based on reception quality.

Additional Functions:

  • Incorporates a BPF-based decoder and introduces a new decoder utilizing FFT technology, offering flexibility based on user requirements.
  • Introduces an Automatic Frequency Detector (AFD) feature within the BPF decoder, enabling automatic setting of the BPF by simply pressing the AFD button.
  • The FFT-based decoder automatically tracks the strongest signal within the band through AFD and AGC mechanisms. Users can also lock AFD/AGC parameters by pressing the Lock button. Note: A slight time lag of approximately 1 to 2 seconds may occur during AFD tracking.

Control Parameters:

  1. Audio Input Level
  2. BPF ON/OFF
  3. BPF Center Frequency
  4. BPF Bandwidth
  5. CW Speed Control ON/OFF
  6. CW Speed Control (Low, Mid1, Mid2, or High)
  7. Delete All Decoded Text
  8. Real-time CW Signal Display
  9. Input Signal Recording/Playback Function

Note: Audio output post BPF processing enables use as an AF-CW filter.

URL of App Demo Video:

  • View App Demonstration Video Here

Overview

RST Decoder is a Freeware software in the category Education developed by koji kamogawa.

The latest version of RST Decoder is 3.1.0, released on 09/26/2024. It was initially added to our database on 09/26/2024.

RST Decoder runs on the following operating systems: iOS.

Users of RST Decoder gave it a rating of 5 out of 5 stars.

Screenshots (Click to view larger)

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