Большой англо-русский и русско-английский словарь
ionoscatter [ionospheric] communication(s), sky-wave communication(s)
Англо-русский словарь технических терминов
sky-wave communications, ionoscatter [ionospheric\] communications, ionoscatter [ionospheric\] communication, sky-wave communication
Русско-английский политехнический словарь
sky-wave communications, ionoscatter [ionospheric] communications, ionoscatter [ionospheric] communication, sky-wave communication