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#7
June 27th 08, 08:01 AM
posted to rec.radio.amateur.antenna
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Parabolic Dish Questions
amdx wrote:
"amdx" wrote in message ... I have a Directv dish 35 inches wide x 20 inches tall 4inches deep. ===================================== I was suprised this dish is made of plastic. Does the EM wave reflect off of the plastic or does the plastic have a coating? ============= It is possibly an aluminium foil reflector sandwiched between 2 layers of plastic. I have a 1 metre dia sat dish with the aluminium foil sandwiched between 2 layers of fibre glass/epoxy. Frank GM0CSZ / KN6WH |
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