AFS failsafe system

with AFS failsafe system can i set it up to continue the mission in auto
if i have GCS loss and RC loss at the same time
on my property i have a valley with 2 high powed towers on each side valley which kill all contact with the plane
i have tried flying from the other side as well same thing its a bout 300 meters dead zone
i have tested the radio and GCS with the plane on the other side about 300 meters its fine