Test radio communications with Lt. Woodson
This quest will be completed automatically after you will leave Santa Fe Springs (first you have to secure this area and get the key). Woodson will contact with your team immediately when you will begin your journey. From this moment you can contact with him to discuss promotions. You will also receive from him information about any calls for help from local inhabitants.
Reestablish contact with Citadel Base in Arizona
You need to install a repeater unit on the radio station in Griffith. To get there you have to complete the main quest related to God's Militia. You can read about details in a chapter about Griffith.
Determine the threat level of the mystery broadcasts