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OK don't laugh, ignorance calls for desperate measures.

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I fed the output of the GPS DO and the output of the UTC oscillator each through a 1K variable resistor with to my R2000 general coverage receiver.

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The two signals mixed and I think heterodyned. When I first applied power to the UTC the audio tone was maybe 100Hz, over an an hour the tone frequency dropped and became inaudible.

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The S-meter slowly cycled from a maximum of +20 to too low to read.

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I adjusted the trimmer resistor and the S-meter was cycling so slow I couldn't keep track of the seconds.

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I suspect the UTC will do just fine without locking it to the GPS DO.

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I don't need millihertz accuracy, yet.

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My problem is my radio room window is shaded by trees, and I have to mount the antenna and GPS DO in the living room and run a USB cable to my radio room.

So I don't have easy GPS satellite visibility.

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We have a bonded metal roof and I can't drill a hole in it without voided the 30 year warranty.

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My wife is very supportive but draws the line at me running USB cables from one room, down the hall to my radio room.

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I'm looking into running the USB cable in the wall up to the ceiling and across the attic to my radio room.

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