After sweeping own systems for 2 yrs,self tought. I was courious to know if 2.4 p/v 20 amp cascade is acceeptable I"ve been told 2.0 at 20 amps is FCC spec what is truth? I"am using GI SJ 450AS & GI SJ 450mm and sweeping to 450mghz any help appriciated.