Beale AFB RQ-4s using 282.35 NORCAL for approaches only.
I only hear global hawks on this freq. Did a internet search
and found this listed as a single freq approach. Maybe this
was used by the SR-71s back in the day. 276.15 in the video is Beale Tower.
http://www.youtube.com/watch?v=2NQaRdIQGUs
Paul near Sacramento California.