style=""></span>For a coupled mode
        run you ***must*** be sure that the modes are finely sampled
        throughout the media <span style=""></span>(excluding the
        halfspaces if present) so that FIELD can accurately<span
          style=""></span> calculate the coupling integrals. This is
        done by using <span style=""></span>a large number of receiver
        depths (NRD) when you <span style=""></span>do the KRAKEN run.
        This number should be set to <span style=""></span>give ab