We use internet for sending text round the world for information, fun and profit, but many audiences are increasingly censored and blocked. It turns out that Shortwave broadcasting can snd reliable text easily for reception by a regular shortwave receiver and decoder which may be as simple as a regular cellphone. While censorship seems not to be a concern to many, there are still those who want and need uncensored info. Shortwave could do it...
The article linked below is an interesting read. So, the remaining world broadcast facilities may have a usefulness in the digital age. (Digital Voice, eg FreeDV is different and also interesting.)
This article about "Shortwave 2.0" in Radioworld discusses the use of Fldigi and MFSK32 and MFSK64 in shortwave broadcasting on VOA and others. Interesting reading.
Starting in 2013, I was able to test the concept in “VOA Radiogram,” an experimental weekly program on the Voice of America. Instead of voice and music, we transmitted, on a conventional amplitude-modulated double sideband transmitter at Greenville, N.C., the warbles of the amateur radio digital modes. We tried most of the modes available to the amateur radio community. After several weeks, we concluded that MFSK32 (120 wpm) and MFSK64 (240 wpm), which can transmit images as well as text, provided the most satisfactory performance for conditions on the shortwave broadcast bands.
https://www.radioworld.com/columns-and- ... rtwave-2-0
73,
Harry Bloomberg W3YJ