[FieldTrip] CTF MEG current phantom

[McGowin, Inna]

Hello,
Does anybody use the CTF MEG Current Phantom (with a current dipole inside)
in their studies?
If yes, is it noise free? I discovered that even when it's empty and
disconnected it produces noise at ~ 5, 10 and 10.8 Hz frequencies on the
order of 100-300 fT.

It's made of plastic and suppose to be non-magnetic.
Thanks,
-- 
Inna
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