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HARRomeo

GP Patch protection?

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Hey guys, first time here. I recently built the GP patch antenna, however my local building supply didn't have the galvanized sheets, only copper and aluminum, so I went with the copper. I am concerned about it's softer properties though, and I discovered that it fits perfectly inside a standard CD case. This wouldn't cause performance problems, would it?

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Edited by HARRomeo

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It would be wise to range test it both ways to see if you notice a difference.

Another method is to stick the empty plastic case in a microwave oven and see if its temperature is raised after a few minutes at high power. However, this is very abusive to the oven, so it should only be used as a last resort.

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Would the microwave test work if a small glass of water was placed in the oven with it? Also, is that the general rule with 2.4ghz.. if it heats up in a microwave it will block signal?

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Items that heat up in a microwave oven are absorbing microwave RF (heating is via molecular movement). Placing a glass of water in the oven will divert a lot of the energy and will make the test less effective. In general, it is best to use the range test method.

Edited by Mr.RC-Cam

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