A propagation model based on the FORTRAN OALIB Bellhop model.

Bellhop(env; gaussian=false, debug=false)
Bellhop(env, nbeams, minangle, maxangle, gaussian, debug)

Create a Bellhop propagation model.

A propagation model based on the FORTRAN OALIB Kraken model.

Kraken(env; debug=false)
Kraken(env, chigh; debug=false)
Kraken(env, nmodes, nmedia, nmesh, clow, chigh, debug)

Create a Kraken propagation model.