(Since RTTY communicates by switching between character and number code pages, if this switching is lost, garbled characters are likely to occur, so it seems there is such a countermeasure.) In ...

Millions to receive $250 and $500 payments this month Hantavirus live updates: 9 people across 6 states being monitored for hantavirus 16-year-old NC girl charged in triple murder of family members; ...

Hellschreiber is a unique text transmission mode invented by Rudolf Hell in 1929. Instead of encoding text as symbols (like Morse or RTTY), it renders text as a bitmap image and transmits each pixel ...

The FSK demodulator at the core of this application expects the transmitter to behave like a modem. That is, it should: Have a symbol rate which is close to the desired symbol rate (within +/- 1000 ...

What if your compact radio receiver could do more than just tune into signals? What if it could decode, customize, and adapt to your needs, all while fitting in the palm of your hand? Below, Tech ...

How a Tiny Si4732A + ESP32 MiniRX Made Waves. I never thought a single-chip receiver could seriously rival my trusty old HF rig. But here we are—it happened! When hunting for documentation to pair a ...

73, all hams and radio fans! Once again, Elektor presents a pronounced combination of embedded and radio technology in the form of the ATS25 max-Decoder — a powerful, ultra-compact multimode ...

Throughout World War II US, British, German, Japanese, and other armed forces kept their widely scattered units and command chains in touch by various means including short-wave radio. For the USA, ...