NSC Bldg 31 is located in Sunnyvale at 955 Kifer Road. The building is on the right, and is labeled as NSC Federal Credit Union.
Parking is in the rear.
Entry is in the rear at through double doors at the right. Walk towards Kifer and turn left. Walk to NSC Federal Credit Union. We successfully sent callsigns and tones across a 1.1 mile path. We used receivers similar to the ones described earlier here.