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Thread: External antenna pucks for Helix

  1. #1
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    Mar 2010
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    Default External antenna pucks for Helix

    Are they a great help ? What difference do they make in mapping and way point accuracy ?

  2. #2
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    Apr 2007
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    Without one any marks you make will be off by the distance between your unit and the transducer. With it if you can locate it as close to over the transducer the more accurate it'll be.
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  3. #3
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    Feb 2005
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    I have three high speed GPS antennas on my boat. One is for the T/M and the other two are mounted right above the transducers. The high speed GPS antennas are more accurate than the older ones, I get a better/faster boat positioning. One is on top of a ducer mount from Ricky, the other is mounted on the transom angle plate. As stated when I mark a waypoint it is spot on. Without, you are marking possibly 6 foot away as with my boat being a 16 footer. Name:  20191003_180108.jpg
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    dave
    in currituck

  4. #4
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    Quote Originally Posted by wannabe fisherman View Post
    Without one any marks you make will be off by the distance between your unit and the transducer. With it if you can locate it as close to over the transducer the more accurate it'll be.
    Since I run a tiller steer both my units are not very far off the transducer . Couple of feet or less . I was told the loss of signal would happen less (donuts hole ) .I tried to order , but not available at this time .

  5. #5
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    Quote Originally Posted by Eagle 1 View Post
    Since I run a tiller steer both my units are not very far off the transducer . Couple of feet or less . I was told the loss of signal would happen less (donuts hole ) .I tried to order , but not available at this time .
    Loss of signal is less but only with the high speed antenna. That's followed by an I think.
    smiles are contagious, spread them around
    Proud Member of the ZIPPER Club
    & Team Geezer

  6. #6
    Join Date
    Feb 2018
    Location
    Fort Smith, AR
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    I got mine to help with direction pointing. When your barely moving, sometimes the heading just jumps all over the place without one.

  7. #7
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    Nov 2009
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    georgia
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    Is this high speed heading sensor any different than the GPS heading sensor I purchased 7-8 yrs, ago back when I was running a 1298 KVD before I upgraded to gen 3 helix. Trying to figure if there is now a newer more accurate one out there. Scott

  8. #8
    Join Date
    Feb 2005
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    currituck NC
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    The High Speed GPS antenna # 408400-1. MASH-UPS HS PRECISION GPS. It will have a little arrow on the front of it so when you mount it, that points forward.

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    dave
    in currituck
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  9. #9
    Join Date
    Feb 2017
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    North West Arkansas
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    I bought mine for the sole purpose of seeing my boat position on the screen instead of the doughnut.
    Really helps me get to the spots I want to fish.


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  10. #10
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    Mar 2010
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    They seem to be in short supply . The ones that say they are in stock guarantee shipment with in 10 days . The ones that will ship In a few days want 70.00 more . Not In that big a hurry . Will get one from BB and G Marine .

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