This plugin hasn’t been tested with the latest 3 major releases of WordPress. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.

Call Sign Query Widget


This widget places a search box for call sign information on your site. Use
this search box to search information on remote websites. You can use this to
query, or

The following aspects are customizeable:

  • Widget title
  • Search button text
  • Search field help text
  • Search URL
  • URL parameter value

The following aspects are not *yet* customizeable:

  • The width of the text input

Pressing the search button pops open a new window with the search

To use the widget for QRZ lookup use:

  • Set URL to “”
  • Set parameter value to “callsign”

To use the widget for lookup use:

  • Set URL to “”
  • Set parameter value to “call”

To use the widget for Dutch D-Star registration check use:

  • Set URL to “”
  • Set parameter value to “callsign”


  1. Add a directory called ‘callsignquery’ (without the quotes) to your
    ‘/wp-content/plugins/’ directory.
  2. Upload callsignquery.php to ‘/wp-content/plugins/callsign-query/’
  3. Activate the plugin through the ‘Manage Plugins’ page in WordPress.
  4. Place the widget in the sidebar using the editor for your theme.
  5. Edit the widget to your needs and save.


What is this about?

This plugin was original written for the Dutch D-Star Registration Check.
But it can also be used to query or

This plugin looks a lot like the search widget, but in this plugin
allmost everything can be customized.

Contributors & Developers

“Call Sign Query Widget” is open source software. The following people have contributed to this plugin.




  • Initial release of the plugin.


  • Fixed some XHTML 1.0 Strict errors.
  • Added configuration of URL and parameter.


  • Rewrote to a universal international version.
  • First public release.