UPCONVERT MY DONGLE!
29:22
SDR-RTL DONGLE SHORTWAVE UP CONVERTER
31:30
HF Upconverter Part 4
21:10
SimpleX Super - Crystal Filter - Part 4
35:10
HF Upconverter Part 3
35:54
DG’s Practical Notes, R#12 Lafayette HE-30 et al., 1960-1966 (9R-59, JR-101, KT-320, HA-230, KT-340)
20:08
Build Your Own Drone Tracking Radar: Part 1
11:26
#175: Filter functions in an HF Upconverter used with RTL-SDR Dongle Receiver
23:28