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Headers of channel location file biosemi128sph.xyz

Posted: Tue Aug 07, 2018 9:58 am
by deeann
Dear all,

I have with me the channel location file for a biosemi EEG cap 128 channels : biosemi128sph.xyz
This file seems different from the Cap_coords_all.xls
Can someone give me the header of the biosemi128sph.xyz and then a hint on how to calculate channel distances with spherical coordinates?

Thank you in advance.