Application of MAGGY2 to short wavelength recording

The MAGGY2 computer program has been applied to investigate a two-dimensional representation of the tape recording head system. For an isolated tape, the external flux is found to be proportional to the coercive force. For a head in intimate contact with the tape, the read signal is found to be proportional to
(BH)\min{\max}\max{1/2}
. Work elsewhere leads to a more general result, which is briefly discussed.