Yaesu G-800DXA Volts Out Trimpot Replacement
A Yaesu G-800DXA rotator is being used for azimuth satellite tracking being driven from SatPC32 via a K3NG rotator controller interface.
The factory fitted trimpot is only a standard single-turn trimmer, which was awkward to set to a precise value of 3.29V on the A/D output (remote – pin 4) correlating to full CW 450°.… Read more...