A couple of Level 3 or lower towers, just to give you perspective to LAX, SAN, ATL, etc.
KMHR - Mather Field, Sacramento, CA.
KIFP - Laughlin/Bullhead City Int'l,
PGUM - Agana Int'l, Guam
KSBD - San Bernardino Int'l, San Bernardino
Obviously, locations vary, but they pretty much are traffic dependent.