ORBEM

Levels

Here are two contasting documents containing instructions for operational and engineering staff regarding control of levels and dynamic range. The first dates from 1961.

Levels 1961 - 1
Levels 1961 - 2
Levels 1961 - 3
Levels 1961 - 4
Levels 1961 - 5
Levels 1961 - 6


A nice collection of BBC job abbreviations:
S.E.S.B. - Superintendent Engineer, Sound Broadcasting.
H.C.P.Ops - Head of Central Programme Operations.
S.S.E.X.B. - Senior Superintendent Engineer, External Broadcasting.
H.Pres. - Head of Presentation.
S.E.T. - Superintendent Engineer, Transmitters.

Jumping ahead 28 years, here's the instruction from 1989.

Levels 1989 - 1

Levels 1989 - 2

Levels 1989 - 3

Levels 1989 - 4

Levels 1989 - 5

Levels 1989 - 6

Levels 1989 - 7