| A Utah Radio UAT-4 Amplifier |
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| Current Status | |
| A few preliminary watts output obtained at low plate voltage. | |
| Replaced filter caps with modern HV filter board. Good 1.8 kV output | |
| Replaced bad plate transformer wiring | |
| Replaced bad bleeder resistor | |
| Plate tank oscillations with HV greater than 1100 volts | |
| Removed external bias, repositioned grid meter to ground side of grid resistor. 170 watts output on 40 meters, no oscillations. |
2023 WA2FXM - Mark Mohrmann |
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