He's dealing with a very early generation AOM cell. It has vertical, horizontal, and angle sweet spots that are hard to hit. It takes me an hour on those. He needs to practice to get it right. When I get back on the net after my flight to Europe, maybe I can help him.
Don't overdrive that RF driver, it will burn out the input. They are current driven, not voltage driven.
Steve
Qui habet Christos, habet Vitam!
I should have rented the space under my name for advertising.
When I still could have...