I have some heath parts and manuals for swap: SB series S-Meter (from a receiver I think 100 ohms 1 ma) GC 7 small SB type knobs GC 1 original SB-102 manual fair condition 1 SB-101 manual copy unused LN I need a SB series main tuning knob and a HW-202 manual. TNX es 73 George K4MLB