I te pūhoro Morse, e tohu ana te āhua "W" i te raupapa .-- E pā ana ki:
Arā, he tohu poto (āwhā) whai ake i ngā tohu roa e rua (dashes). Ka whakamahia tēnei whakakotahi i te pūhoro Morse hei tohu i te āhua "W" i te telegrafi me te whakawhiti rōngia.