I think your buddy is an idiot. Hope I am Wright. It was working fine at
your house except for 20 meters. Try all testing on a dummy load before
adding the variable of an antenna.
No SWR between working radio and amp, since the amp is doing nothing at that
point, how is this possible?
---
This email is free from viruses and malware because avast! Antivirus protection is active.
http://www.avast.com