Wireshark Dissector for GDL 90 Messages
Launch Wireshark with the following to use this dissector
$ wireshark -X lua_script:gdl90Dissector.luaOn Windows you can install the Lua file to an appropriate plugin directory, e.g. C:\Program Files\Wireshark\plugins\2.0.4\gdl90. Once installed, restart Wireshark or reload Lua plugins with Analyze->Reload Lua Plugins (Ctrl+Shift+L).