Wolf RU4PN QRP Unit some tests
First transmit using new unit.
Can see wire in the wall under AC on a thermal camera :)
Heaters testing
Soldering preheater.
Another device just for fun.
Cool packages
Received some stuff.
New RU4PN QRP unit VNA HF measurements
VNA test
Video about soldering (RU)
New soldering station Aixun t420d
LiFEPO4 batteries…
Checking «old» and creating new