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Thread: Great Emergency Signalling Mirror

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  1. #1
    Registered Users hbh2oguard's Avatar
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    check that link out.... that guy is just a little too into himself

  2. #2

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    As a SAR pilot, we did some tests with CDs and DVDs a few years ago and they really make terrible signaling devices. While they appear bright at close range the diffusion and odd colors created by the signal pits limit their effective range and they aren’t nearly as noticeable from the air as a clean real mirror surface.

  3. #3
    Registered Users hbh2oguard's Avatar
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    by any chance did you test a knife?

  4. #4
    Registered Users Zero's Avatar
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    The old OMS knife used to be highly polished for this purpose. Ive never tried one in the open but under lights it put off a bright reflection.

    Matt

  5. #5
    Registered Users hbh2oguard's Avatar
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    yea my bcd knife is dull but leg knife is shinny so I know it would reflect well, but not too sure about it in the water.

  6. #6
    Registered Users dalehall's Avatar
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    My DAN tag is encased in a reflective "thingy." Hopefully, I'll never have to use the tag or the reflector. But, I have them both, just in case.
    **D**
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  7. #7
    Registered Users h2odragon1's Avatar
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    Quote Originally Posted by hbh2oguard View Post
    by any chance did you test a knife?
    My dive knife is anodized black, won't work.

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