DIY QRP Kit – MST400 40m SSB HF Transceiver

QRO/QRP

The MST (Minimalist Sideband Transceiver) is an easy to build and fun to use single sideband QRP transceiver for the 40M or 80M amateur bands. The MST transceiver follows a minimalist design making it inexpensive and simple to build yet still delivering excellent performance and being a pleasure to operate. The MST PCB contains a…

Ultimate QRSS kit

DIY

The ultimate QRSS Transmitter Kit is produced by Steve G0XAR and Hans G0UPL in 30, 40 and 80m versions. The kit contains the PCB, LCD, programmed microcontroller and all board-mounted components. Download the instruction manual using the link above. The PCB is quite compact and moderate care is required in the construction. A rich array…

Etherkit Open Source crystal-controlled QRSS CW Beacon Kit

DIY

Overview OpenBeacon is an open source crystal-controlled QRPp beacon transmitter kit which can output a variety of slow-speed modes, including QRSS, DFCW, and Sequential Multi-tone Hellschreiber. It is configured via USB port, so there are no jumpers to set and you can easily adjust all of the operating parameters via command line. Once configuration is…

PMSDR 2.2 SDR kit

New equipment

The PMSDR is a small, low-cost, HF bands full coverage “Software Defined Radio” receiver that use a computer USB port and delivers I-Q audio signals to the PC’s sound card and one of the few SDR-receivers with full coverage from 0,1 to 72 MHz. It was designed by Martin Pernter IW3AUT and it’s similar to…