When learning Morse code, the most common tools used are a simple code practice oscillator and a straight key. In these pages I have shown many of these, from very simple kits such as the Four State QRP Group SSCPO kit up to the very complex Morserino32. This time we take a look at a simple code practice kit to build that offers some interesting features.
The Ham Radio Solutions CW Hotline is a code practice kit that allows the builder to choose between a built-in straight key or a paddle. The CW Hotline also gives the option of plugging
