This plugin allows you to listen to SCA Audio channels hidden inside regular FM Broadcast stations
Download dll from release page
You just copy dll into Plugins directory and enjoy
You copy the plugin DLL into sdrsharp program directory and then edit plugins.xml and add the following line to it (people used to call this MagicLine.txt)
<add key="SCATuner" value="SDRSharp.SCATuner.SCATunerPlugin,SDRSharp.SCATuner" />
Exmplanation of MagicLine(if you want to write your own plugin someday)
<add key="Whatever-you-want-that-is-unique" value="NameSpace.EntryPoint,DLLName" />
Usage + install tutorial -- Thanks to Double A Labs for his samples and this tutorial