…and, presumably, you can activate the summit provided you can get into the activation area and operate legally. A licence holder who is only permitted to operate in one country would have to find an operating position both within that country and inside the activation area.
There will, inevitably, be queries like “How come EI/IN-006 was activated by that MI6* call?” and “Shouldn’t that call have been EI/MI6*?”…
73, Rick M0LEP