VOA Radiogram is a Voice of America program experimenting with digital text and images via shortwave broadcasting. It is produced and presented by Dr. Kim Andrew Elliott.
Martin in the Czech Republic decoded VOA Radiogram, program 78, 4 October 2014, 1600-1630 UTC, 17860 kHz, using audio from a Tesla Symfonic 603A receiver from 1950. The receiver uses these tubes: ECH21, EF22, EF22, EBL21, AZ11. The antenna was a modified mini-whip active antenna + unun 50 ohm to 450 ohm.
Martin achieved a 95% decode of the text and at least one image. Photos are below…




