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OpenWebRX+ Plugins

OpenWebRX+ Plugins is a community-driven collection of plugins that extend OpenWebRX+ with new features, UI enhancements, and integrations for SDR receivers.

Table of Contents

• OpenWebRX+ Plugins
  • Table of Contents
  • Project Overview
  • Plugin List
    • Receiver Plugins
    • Map Plugins
    • Thirdparty Plugins
  • Installation & Loading Plugins
    • Example setup for receiver plugins
  • Raspberry Pi & Docker Notes
  • Developing Plugins
    • Hosting on GitHub
  • Contributing
  • Support
  • FAQ
  • Contributors
  • License

Project Overview

This repository provides a set of plugins for OpenWebRX+, allowing users to customize and enhance their SDR experience. Plugins are grouped into:

• Receiver Plugins: Enhance the receiver UI and add new features.
• Map Plugins: Add new layers or features to the map interface.

Each plugin is documented in its own folder.

Plugin List

Receiver Plugins

Name	Description
search_bookmarks	Search all OWRX bookmarks and click to tune (Yannis)
toggle_scannable	Toggle the scannable state of bookmarks with right mouse button
tune_precise	Add buttons for precise frequency tuning (LZ2DMV)
mouse_freq	Show frequency under cursor on the waterfall
doppler	Track Doppler shift/effect of satellites
magic_key	Set MagicKey without typing it in the browser's address bar
screenshot	Take screenshot of the waterfall
screen_reader	Provide spoken notifications for accessibility
antenna_switcher	Antenna switching for Raspberry Pi devices (LZ2DMV)
tune_checkbox	Enable mouse-scroll to zoom by default (LZ2DMV)
frequency_far_jump	Jump to a frequency outside the current profile (LZ2DMV)
keyboard_shortcuts	(deprecated) Add keyboard shortcuts
colorful_spectrum	Colorize the spectrum analyzer
connect_notify	Send/receive notifications on user connect/disconnect
sort_profiles	Sort profiles by name
utils	Utility plugin, required by many plugins
notify	Notification utility plugin
example	Example plugin for developers
example_theme	Example theme plugin for developers

Map Plugins

Name	Description
layer_qth_maidenhead	(deprecated) Add Maidenhead (QTH) grid to the map

Thirdparty Plugins

Name	Description
owrxantswitcher	Switch antenna ports using a WebAPI on the server.

Installation & Loading Plugins

1. Find your OpenWebRX+ htdocs folder
   Use the following command to locate it:

   find / -name openwebrx.js

2. Typical locations for htdocs:

   • /opt/openwebrx/htdocs
   • /usr/lib/python3/dist-packages/htdocs

3. Create the plugins folders if they doesn't exist

   mkdir -p /path/to/htdocs/plugins/{receiver,map}

4. Create or edit the init.js file inside the coresponding plugin type folder (receiver or map)
   Use the provided templates:

   • receiver/init.js.sample
   • map/init.js.sample

5. Add plugin loading lines to your init.js file
   For example:

   Plugins.load('https://0xaf.github.io/openwebrxplus-plugins/receiver/tune_precise/tune_precise.js');

Example setup for receiver plugins

OWRX_FOLDER=$(dirname `find / -name openwebrx.js`)
mkdir -p "$OWRX_FOLDER/plugins/receiver"
cd "$OWRX_FOLDER/plugins/receiver"
wget https://0xaf.github.io/openwebrxplus-plugins/receiver/init.js.sample -O init.js
${EDITOR-nano} init.js

See each plugin's README for specific instructions.

Raspberry Pi & Docker Notes

• Raspberry Pi:
  If using Raspberry Pi images, a caching service (varnish) may prevent plugins from loading immediately after editing init.js.
  Restart services to clear cache:

  sudo systemctl restart varnish nginx

• Docker:
  For Docker images (openwebrxplus), bind-mount the plugins folder and follow the above instructions. See Docker image documentation for details.

Developing Plugins

If you want to create new plugins:

1. Get familiar with the OWRX+ JS codebase.
2. Review the example plugin and example theme plugin.
3. Develop plugins locally in $OWRX_FOLDER/plugins/{type}/your_plugin/.
4. Load local plugins by folder name:
   Plugins.load('your_plugin');
5. Load remote plugins by URL (example for map plugin):
   Plugins.load('https://0xaf.github.io/openwebrxplus-plugins/map/layer_qth_maidenhead/layer_qth_maidenhead.js');

Hosting on GitHub

To host plugins on GitHub, use GitHub Pages for correct JS Content-Type.

Contributing

Contributions are welcome!

• Submit pull requests, providing the same structure for the folders as the rest of the plugins.
• For major changes, open an issue first to discuss.
• Please follow the style of existing plugins and documentation.

Support

Use these plugins at your own risk. No warranty is provided.
For support, contact LZ2SLL or join the OWRX+ Telegram Chat.

FAQ

Q: My plugin changes are not visible after editing init.js.
A: If using Raspberry Pi images, restart varnish and nginx as described above.

Q: Where do I put my local plugins?
A: In the htdocs/plugins/receiver or htdocs/plugins/map folder of your OpenWebRX+ installation.

Q: How do I load a plugin from a URL?
A: Use Plugins.load('https://.../plugin_name/plugin_name.js'); in your init.js.

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Contributors

• LZ2DMV
• Yannis

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License

This project is licensed under the MIT License.