10 Milliwatt Si5351A WSPR Beacon
It’s fun to experiment with propagation by seeing how far you can get a signal to travel with a transmitter in the milliwatt range (this is known colloquially as QRPp). For quite a while,...
Etherkit App Notes Blog
Arduino FSQ Beacon on the Si5351A Breakout Board
A new digital mode by the name of FSQ has arrived on the scene lately, and it looks quite interesting. The mode has received some recent attention as it was featured in an article written...
Arduino Feld Hell Beacon on the Si5351A Breakout Board
The Si5351A is well-suited to generating digital modes which are based on frequency shift or on-off keying. One of the more venerable digital modes in our arsenal is Hellschreiber (or Feldhellschreiber, shortened to Feld Hell for the purposes...
