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I'm still playing with the rocket antenna.
The rocket body is a 12 inch diameter aluminum tube. If I want to put a horzintal dipole on the body I can do one of two things. 1)Cut an Oval or oblong hole in the skin up near the electronics and then put in a fibnerglass panel, on that panel I put a cu foil dipole. How much bigger does the opening around the dipole have to be to not reduce the efficency of the antenna. 2)I can put a thin dialectric patch on the outside of the rocket and put the antenna on that. How thick would a fiberglass dielectric need to be for a good antenna? I now have a 900Mhz capable bird so I can trim the antenna for minimum SWR. This sunday is my last chance to make all of this work so I'm running out of time. Paul (Kl7JG) |
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