The big one is "Mega Center" base for Federal Protection: 408.200/nac270. Its 50% in the clear.
others
409.625/nac293
417.600/nac293
409.9375/nac482 [all enc]
407.1375/nac482 [all enc]
166.5125/nac1
171.175/nac653
409.7125/nac0
164.400/nac1
167.7875/nac653
The 400's had motorcade traffic when they were in the clear