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Old 12-30-2004, 06:13 AM
Chad Hauris's Avatar
Chad Hauris Chad Hauris is offline
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Location: West Texas
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This device is likely a power supply for an in-line amplifier....you would feed the 12 vdc up the antenna coax to the amplifier mounted at the antenna and then use a blocking capacitor at the set to keep the DC out of the TV set.
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