Icom IC-781
 - Fixing the Regulator
 - Heating effect of line
       voltage & the Sherwood
       fan
  Remote control
     balanced tuner
Drake TR7
- Build an AUX-7 board
- External DDS VFO
- Internal DDS VFO
- Eliminating key clicks
- PA1HFO PIN diode attenuator
    
  SteppIR tester