groc2010 tab216 ang

Tab. II.1.6 Exchange of Information (EoI) station classification

Type of station		Type of area		Characterisation of area
Traffic	(T)	Urban	(U)	Residential	(R)
Industrial	(I)	Suburban	(S)	Commercial	(C)
Background	(B)	Rural	(R)	Industrial	(I)
				Agricultural	(A)
				Natural	(N)
				Residential/Commercial	(RC)
				Commercial/Industrial	(CI)
				Industrial/ Residential	(IR)
				Residential/Commercial/Industrial	(RCI)
				Agricultural/Natural	(AN)

More detailed overview of background rural stations into subcategories

near-city, code NCI, located in rural/agricultural areas, with a distance of 3–10 km from built-up areas and other major sources, radius larger than about 5 km.
regional, code REG, located in rural/agricultural areas, with a distance of 10–50 km from built-up areas and other major sources, radius larger than about 20 km.
remote, code REM, located in rural/natural areas, with a minimum distance of 50 km to built-up areas and other major sources, radius larger than about 60 km.