Question about Humminbird zerolines SD card for mapping

  • supercat
    Eau Claire, WI
    Posts: 1445
    November 10, 2022 at 2:07 pm #2158384

    That is correct what I basically got from there tech support is that it would be very hard to fill the card.

    The Real Joe Blow
    Posts: 30
    February 10, 2023 at 11:18 am #2180719

    It should hold way more than 100 hours. Humminbird doesn’t publish the exact specs but everyone including them always say that it will hold more than anyone can possibly map in a lifetime. 100 hours is only ~12x more than what the unit holds. You can fill the unit in a day, and 100 hours in 2 weeks. So unless you have a really short lifetime, it will hold way more than 100 hours worth. My guess would be closer to 10,000 hours worth.

    Cheers
    TRJB

    barc
    SE MN
    Posts: 192
    February 10, 2023 at 2:49 pm #2180799

    Definitely more than 100 hours. I have been charting on my zeroline card since 2018 (5 seasons). I backup the mapping files in case the card fails for any reason and I just checked the size of the folder and it shows 16.7 MB on 244 files.

    reddog
    Posts: 827
    February 11, 2023 at 2:26 pm #2180947

    While not unlimited, you will not fill it..

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