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@Highpoint2000 Highpoint2000 released this 26 Apr 20:48
· 2 commits to main since this release
1.0b
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Autotune

This plugin for the FM DX web server automatically optimizes reception by scanning nearby frequencies to find the perfect balance between the strongest signal and the least interference.

Screenshot 2026-04-22 080354

Version 1.0b

  • Shortcut "a" or "A" added to trigger the Autotune command (usable via keyboard or rotary controller with control buttons)

Installation notes:

  1. Download the last repository as a zip
  2. Unpack all files from the plugins folder to ..fm-dx-webserver-main\plugins\
  3. Stop or close the fm-dx-webserver
  4. Start/Restart the fm-dx-webserver with "npm run webserver" on node.js console, check the console informations
  5. Activate the autotune plugin in the settings
  6. Reload the browser

How to use:

  • Locate the Button: You will find the Auto Tune button in the bottom-right corner of the Frequency box

  • One-Click Optimization: Simply click the button once

    The Process:

    • The plugin will scan small frequency steps around your current position (10 kHz steps in FM, 1 kHz in AM)
    • It calculates a "Score" for each step, weighing the signal strength against interference (CCI and ACI)
    • Once the scan is complete, it automatically switches to the frequency with the highest score

  • Setting the header variable "var ENABLE_DEBUG_LOG = true" displays detailed information about the evaluation and decision-making process in the browser console (F12)

Contact

If you have any questions, would like to report problems, or have suggestions for improvement, please feel free to contact me! You can reach me by email at highpoint2000@googlemail.com. I look forward to hearing from you!

Buy Me A Coffee

History

Version 1.0a

  • The auto-tune process is now always started from the base frequency to avoid exceeding the 50 kHz upper and lower limits.

Version 1.0

  • Intelligent signal optimization: By scanning adjacent frequencies, the optimal frequency peak is found by balancing maximum signal strength and interference losses (CCI/ACI).
  • Adaptive scan logic: Automatically adjusts the tuning steps to the frequency band (1 kHz steps for AM, 10 kHz steps for FM).
  • Enhanced button control: "Frequency increase/decrease" buttons are used in FM to ensure precise 100 kHz steps, independent of server-side rounding logic.
  • Compatible with Enhanced Tuning Plugin
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