Planck early results
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Table 4

Origin of final bias settings.

Radiometer
RCA M S

LFI18................................ Flighta Flight
LFI19................................ Groundb Ground
LFI20................................ Ground Ground
LFI21................................ Ground Flight
LFI22................................ Ground Ground
LFI23................................ Ground Ground
LFI24................................ FEMc FEM
LFI25................................ FEM FEM
LFI26................................ FEM FEM
LFI27................................ Ground Ground
LFI28................................ Ground Ground

Notes. 

(a)

Determined during in-flight tests;

(b)

Determined during satellite-level ground tests;

(c)

Determined during module-level ground tests.

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