Still looking for the main tuning knob for a SB-301/401, SB-100,101,102 Thanks, 73, Mark WB8JKR Novice 3/71, General 8/72, Advanced 6/80, Extra 8/88 Member Society of Cable Telecommunication Engineers Member ARRL, QCWA, DXCC, WAC, WAS, VUCC 2 meters, GJDXCC, OTC, RCC