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View Poll Results: Bow mounted sonar unit- SI, DI, 2d, or something else?

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  • Side Imaging sonar unit

    11 26.19%

  • Down Imaging sonar unit

    20 47.62%

  • 2D sonar unit

    11 26.19%

  • Something else- why

    5 11.90%
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Thread: Bow Mount sonar unit- SI, DI, 2d, or something else?

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  1. 11-01-2016, 04:52 PM #23
    Hanr3's Avatar
    Hanr3
    Hanr3 is offline Crappie.com Legend
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    Quote Originally Posted by BobB View Post
    Here is the way I calculated it ....
    I have no idea what that ppi designation means.
    ppi= Pixels Per Inch
    A simpler calculator.
    Pixel density calculator - King's Calculator

    Helix 9 = 103.66 ppi
    Helix 10 = 117.51 ppi
    Helix 12 = 124.75 ppi

    For contrast, my
    A 50" Plasma 720p tv has 25ppi.
    A 50" LED 1080p TV has 44ppi.
    Last edited by Hanr3; 11-01-2016 at 05:15 PM.
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