I think that in the mil terminal ATC world (ie airfields) only Brize use the suffix "radar"
According to ENR-2-2, Brize Norton, Lakenheath, Leuchars, Lossiemouth, Shawbury, Valley and Yeovilton all use the "Radar" suffix for ATZ crossing.
ENR-2-2 also reveals that the unit to call for crossing either Predannack or Culdrose is Culdrose
Approach.