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 ...
It’s no slouch as QRP radios go, having clocked up real-world contacts. This circuit shows us how a little can go a long way in the world of amateur radio, and we can’t help liking it for that.
This QRP SWR meter was designed for using with my Yaesu FT-817ND ... The microampermeter I used for SWR indication is actually a tuning indicator from an old radio receiver. Its full deflection ...
VU3CER's Robust Class-D HF PA for https://github.com/kholia/Easy-Digital-Beacons-v1 project for 40-20-17-15-10 bands. For extra fun, use this PA with https://github ...