In brief: This post is the second of a 3-part series about the restoration of a Heathkit HW-2036A, a PLL-controlled, 10-watt, 2-meter FM tra...

In brief: This post is the first of a 3-part series about the restoration of a Heathkit HW-2036A, a PLL-controlled, 10-watt, 2-meter FM tra...

In brief: The WB2CBA design CM108AH-based USB sound card VOX circuit enables the use of FT8, FT4 and WSPR modes on QRP radios such as the u...

Kent dual-lever paddle is a classic iambic key designed for CW (Morse code) operators in the amateur radio world. In this article, the struc...