called “QRP” in ham radio parlance. What is it? It’s a pocket sized four band (80, 40, 30, 20 Meters) software defined radio (SDR) that is designed to be used with some of the most popular ...

a hackable HF SDR transceiver designed around the Raspberry Pi. [Ashhar] introduced the project in talk at the virtual “Four Days In May” annual conference of the QRP Amateur Radio Club ...

The ADCs are clocked at 77.76MHz and the DAC is clocked at 155.52MHz by the low noise ABLJO-155.52MHz VCXO. The goal of this project was to build a base for the OpenHPSDR compatible SDR transceiver ...

DX UnO - Arduino Uno based Digital Modes HF QRPp Transceiver. DX UnO is an Arduino Uno based HF Digital Modes QRPp Multiband ... MIC has both I and Q outputs of TAYLOE Quadrature Sampling detector ...