Tiny Ten DSP-Based HF Transceiver

"Tiny Ten" Amateur Radio Transceiver. A tour of the insides of a home-built, light in weight, Ten Watt, Ten Band Amateur Radio Transmitter/Receiver. A Teensy 4.1 based transceiver that makes extensive use of the OpenAudio_ArduinoLibrary. Bob W7PUA Introduction - This all started while on a backpack in Oregon's Cascade Mountains. We enjoyed the beautiful scenery of our alpine valley. The lake in front of the tent was crystal clear and reflected the surrounding mountains. But, radio signals were all shielded from us. Not only were there no Cell signals, but we could only receive one weak FM broadcast station. The folks back home would really like to know that the bears had not gotten us, but it was not to be (they didn't). I had a 5-Watt 2-meter hand held radio along, but that could not bring up any repeater, even using a half-wave antenna. Then, I remembered being out with Lew, N6QKP, on a similar trip, and he used his Elecraft KX-2 to easily make 75-meter contacts with a simple dipo ... Read full article.