Thesaurus Term/Concept: GROUP FILTER ROOM

Identifier	140816
Class	DEFENCE OF BRITAIN
Status	Preferred
Index?	Yes
Scope Note	A building, often built underground, used to filter and analyse information received from radar stations and observation posts relating to enemy aircraft thus enabling a fighter group to mobilize more effectively to counter the threat,

Broader Terms/Concepts (1)

Context	Record
Monument Type	MHG20493 The Bunker, King Duncan's Road, Inverness (Building)