no actually in FDTD and I click right on the one of the ports which I place on wg and select "user select". Then I click select modes. Here it is zero; however, in Interconnect loss is never 0. 
Ansys Assistant will be unavailable on the Learning Forum starting January 30. An upgraded version is coming soon. We apologize for any inconvenience and appreciate your patience. Stay tuned for updates.
You are navigating away from the AIS Discovery experience