Forum Discussion
j-d
Jan 13, 2017Explorer II
If the "screw up" antenna is a Winegard like this, or similar
Then it should be equipped to run the coaxial 75-ohm cable ("screw in" as you call it) and you can run the modern, more efficient, cable from the antenna to your new TV.
Take a good look at the diagram Roy Ken posted above. For the Winegard and other "RV" antennas to work, they need power from that plate with the pushbutton switch on it. Do you have one of those? Does the ON light glow when the switch is pushed IN?

Then it should be equipped to run the coaxial 75-ohm cable ("screw in" as you call it) and you can run the modern, more efficient, cable from the antenna to your new TV.
Take a good look at the diagram Roy Ken posted above. For the Winegard and other "RV" antennas to work, they need power from that plate with the pushbutton switch on it. Do you have one of those? Does the ON light glow when the switch is pushed IN?
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