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  • Make a high performance TV antenna from a satellite dish and a few parts

    You can buy some aluminum roof flashing, and rivet or attach with screws to the face of the dish making it flat. the bowtie/dipole can be moved away with an addition to the arm, with wood or metal. 3db gain as mentioned before is not too bad anyway. You can figure the size of bowtie element by dividing 432 by the middle frequency you want to watch. The distance from bowtie can be found by dividing 234 by the same frequency. These figures will get you close enough to be able to get very decent results. I have used 12 gauge solid copper wire in a 26" circumference, vertically and supported by 1/2" PVC X boom at 20' and received TV from distances of 90 miles regular. The Digital signals are broadcast at much higher power than analog were. I was against the transition to digital a...see more »You can buy some aluminum roof flashing, and rivet or attach with screws to the face of the dish making it flat. the bowtie/dipole can be moved away with an addition to the arm, with wood or metal. 3db gain as mentioned before is not too bad anyway. You can figure the size of bowtie element by dividing 432 by the middle frequency you want to watch. The distance from bowtie can be found by dividing 234 by the same frequency. These figures will get you close enough to be able to get very decent results. I have used 12 gauge solid copper wire in a 26" circumference, vertically and supported by 1/2" PVC X boom at 20' and received TV from distances of 90 miles regular. The Digital signals are broadcast at much higher power than analog were. I was against the transition to digital at first. Now, it's awesome!!Old Ham Op too....

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