How do you load Neuromag Averaged files into Fieldtrip?

[Mark Andermann]

Greetings,

My name is Mark Andermann, I'm working at the Low Temperature Lab and Lab
for Computational Engineering in Helsinki.

I'd like to use Fieldtrip to fit dipoles to data acquired on a 306 channel
neuromag MEG system. While Fieldtrip offers instructions for loading raw
data, I have not found a simple script to load in Neuromag data that's
already been averaged in MATLAB, and converted back to an averaged .fif
file.

Also, can MEG dipole fitting (and time-series estimation) in Fieldtrip be
done with a spherical head model in the absence of any subject MRI data?

Thank you for your help,

Dr. Mark Andermann