While not the same thing, you may enjoy testing the NTS (National Traffic System)[0][1] for sending ARRL Radiograms[3]. [0] https://en.wikipedia.org/wiki/Nat

While not the same thing, you may enjoy testing the NTS (National Traffic System)[0][1] for sending ARRL Radiograms[3]. [0] https://en.wikipedia.org/wiki/National_Traffic_System [1] http://www.arrl.org/nts-manual [3] http://www.arrl.org/files/file/Public%20Service/RADIOGRAM-2011.pdf