Quote: My OTA sensor has never been accurate. I just wait until the tube currents go away. The ambient sensor on the other hand seems to be at least in the ballpark most times.
I guess the cautionary note would be to remember to set your Dew Heater as a percent of power rather than a relative amount above the OTC reading.
When it was mild weather a tempreture of 54*F was reasonable. But I'm a slow learner and when I saw it for the 5th straight time I figured it out...of course by then it was -20*F outside
Pesse (I'd say I'm dumber than a pile of bricks but I'm afraid they'd sue for slander) Mist