SDR/Ham

Antennas

Basics
Covered in this PDF: https://www.monitoringtimes.com/antennabook.pdf

SDR



Devices

Quansheng UV-K5(8)
Firmware
IJV-Mod v3: https://www.universirius.com/en_gb/preppers/quansheng-uv-k5-manuale-del-firmware-ijv_v3/