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Thread: Sonar

  1. 01-23-2017, 06:53 PM #1
    Ggt
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    Default Sonar


    Does anyone know the cone angle on Lowrance down image at 800 vs 455 as well as angle on Lowrance sonar?


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  2. 01-23-2017, 07:15 PM #2
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    "G"
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    If you dont find out on this forum....try here http://www.crappie.com/crappie/fishi...d-photography/
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  3. 01-23-2017, 08:23 PM #3
    Dee F
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    48 on DI and 60 in SI
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  4. 01-23-2017, 09:57 PM #4
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    BigRiverMarine
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    Much wider on the new High Def SI.

    I always thought sonar was 20-60 depending on settings.
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  5. 01-24-2017, 06:25 PM #5
    Dee F
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    BRM... you're right on sonar I believe. Rule of thumb ive always used is a 200 is covering 1/3 of the depth you're fishing ( meaning if you're looking n 9' of water you're seeing 3' of bottom) and 83 is showing 1:1( 20' of water/20' of bottom) if that's not right... it's been working for years now! LOL

    My understanding of the DI/SI is it is not a cone. It prejects out left and right but only a few degrees front to back.

    That's about as far as I can explain it. The rest is magic.

    We need doublegobble to chime in.. he's pretty knowledgeable on this stuff.
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