  Gravitational waves (GW) propagating through a magnetised plasma excite
low-frequency magnetohydrodynamic (MHD) waves. In this paper we investigate
whether these waves can produce observable radio emission at higher frequencies
by scattering on an an-isotropic intrinsically relativistic distribution of
electrons and positrons in the force-free wind surrounding a double neutron
star binary merger. The relativistic particle distribution is assumed to be
strictly along the magnetic field lines, while the magneto-plasma streams out
at a relativistic speed from the neutron stars. In the case of Compton
scattering of an incident MHD wave transverse to the magnetic field, we find
that the probability of scattering to both a transverse x-mode and a
quasi-transverse Langmuir-o mode is suppressed when the scattered frequency is
below the local relativistic gyro-frequency, i.e. when the magnetic field is
very strong.
