you would find them in the mne manual.

On 30.01.2013, at 00:52, Eric89GXL <notifications@github.com> wrote:

> In mne/fiff/constants.py:
> 
> > @@ -543,5 +543,8 @@ def __init__(self, **kwargs):
> >  
> >  FIFF.FIFFV_COIL_MAGNES_MAG         = 4001  # Magnes WH magnetometer
> >  FIFF.FIFFV_COIL_MAGNES_GRAD        = 4002  # Magnes WH gradiometer
> > +FIFF.FIFFV_COIL_MAGNES_R_MAG       = 4003  # Magnes WH reference magnetometer
> > +FIFF.FIFFV_COIL_MAGNES_R_GRAD_DIA  = 4004  # Magnes WH reference diagonal gradioometer
> > +FIFF.FIFFV_COIL_MAGNES_R_GRAD_OFF  = 4005  # Magnes WH reference off-diagonal gradiometer
> @agramfort do we need to get permission for these?
> 
> —
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