I own a Y5713 (attic mounted). The U-bolt will not fit on pipe or tube greater than 1.5" OD. My Antennas Direct XG91 mast clamp is larger and will work with 2" max OD.
A non-destructive method of attaching a 3 or 5 foot antenna mast to the larger diameter dish J'pole would be to use stainless worm-drive hose clamps (2 or 3) to clamp the additional mast to the outside of the existing mast.
Auto parts stores and home improvement centers stock various sizes.
Drilling through both masts, and bolting the two tubes outside to outside is another option that will provide a stable connection.
I would avoid going much higher than the original height of the sat. dish unless guy wires were added. I'd hate to see the base ripped out of the roof deck.
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If the well is dry and you don't see rain on the horizon, you'll need to dig the hole deeper. (If the antenna can't get the job done, an amp won't fix it.)
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Last edited by GroundUrMast; 16-May-2011 at 6:39 PM.
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