ALLISS

ALLISS antenna as viewed underneath

ALLISS is a somewhat rotatable antenna system for high power shortwave radio broadcasting in the 6 MHz to 26 MHz range. An ALLISS module is a self-contained shortwave relay station that is used for international broadcasting.[1]

  1. ^ "BBG: Don't Close Shortwaves, Improve Them!". Radio World. January 31, 2008. Retrieved 19 January 2023.