PA links around the internet
MOSFET PAs
HF-MINIPA
HF AMP PA-50+
OGS-50W
HARDROCK-50 HF PA
Fixing PAs
Valve PAs
Related
Dummy load
RF sampler
2watch:
https://www.youtube.com/watch?v=fSoXIqBlg9M (Antennas)
https://www.youtube.com/watch?v=hJMBSKbJyC4 (QCXmini vs SQ-3B)