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  • Users: Hilux
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  1. Hilux

    Advice on mechanical properties please...

    Thanks for the information gentlemen. It seems the answer to my question is to use Glass-filled Nylon 6 whereas the solution to my problem is to adjust the design to avoid the inherent weakness completely! That of course is what engineering is all about. Thanks again for your input, it is...
  2. Hilux

    Advice on mechanical properties please...

    I need to make a few insulators for mobile radio transmitter antennas from 'plastic' rod sections each about 100mm long and 30mm diameter. The insulator will mount to the vehicle with a 3/8" x 24 thread on the rod centreline at one end and the antenna element likewise at the opposite end. Some...
  3. Hilux

    How to predict groundplane effects on Patch Antenna?

    Thank you Higgler, that's a very comprehensive response. The GPS requirement is only single frequency so we don't need massive bandwidth other than to avoid the possible 'environmentally induced' variations but I will certainly have a look at the PIFA possibilities. We hadn't even considered...
  4. Hilux

    How to predict groundplane effects on Patch Antenna?

    Can anyone point me to a source of information regarding the effects of groundplane size and shape when used under a ceramic patch for GPS? I am finding a considerable shift in the antenna's resonant frequency with different groundplane dimensions and I am concerned that the performance of our...

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