Well, a little bit confusing, when you call the tower your number will be displayed there, so they can call back.
Another tipp, before you fly check on Flight Radar App if any traffic is coming, so you can choose a good time to fly.
Ciao Rob
I think I had up to 120 meters.
This is what the HASP said::
TO Corfu Control Tower
The “Corfu Old Fortress” activity is not approved. A written consent from the management of the Correctional Facility involved is required.
For the rest...