This is Radio Australia transmitting in the MFSK16 digital text
mode. MFSK16 has a speed of about 58 words per minute.
Digital text via an analogue shortwave broadcast transmitter
provides an opportunity for content to be received in challenging
reception conditions, when voice broadcasts may be difficult to
understand.
Please send reception reports, if possible with screenshots and
audio samples, to Holmes.Nigel@abc.net.au.
Next from Radio Australia, digital text in the MFSK32 mode.