In Appspace is not possible to duplicate a channel in another network.
If you to create a channel based on the common template you have to export a channel (model) in a file and then import it in another Network.
This procedure explains how to import a channel from a file.
Appspace (application administrator): export channel in a file to duplicate it by import
Go to to the network and then to the channels home page.

Click on CREATE CHANNEL:

Click on IMPORT in the box Create an advanced channel:

Select the file, give a name to the channel and click on OK:

After import, you have to add all the widgets (Weather, Stock quote, Traffic) from Corporate library. These widgets are not kep.