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Thread: Question for Rickie or anyone

  1. 09-13-2020, 10:49 AM #1
    mikey16335
    mikey16335 is offline Trophy King
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    Default Question for Rickie or anyone


    Suppose you had two units at the console. One a core unit, ie 1199 and the other a new mega unit with the transducers mounted on the transom correctly. If the core was transmitting at 455kHz and the mega was transmitting on a mega frequency, at the same time, do you think there would be interference between the two? Thinking of the 1199 for SI range and the mega for detail at less range, while doing lake survey work.

    Mike

    Last edited by mikey16335; 09-13-2020 at 11:16 AM.
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  2. 09-13-2020, 04:49 PM #2
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    Barnacle Bill
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    If they are different freqs you will be OK.
    Fair Winds and Following Seas

    Bill H. PTC USN Ret
    Chesapeake, Va

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  3. 09-13-2020, 08:24 PM #3
    mikey16335
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    Barnacle Bill

    Thanks for the response.

    Mike
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  4. 09-13-2020, 09:00 PM #4
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    rnvinc
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    The conundrum with HB units is the units always transmit the 2d piezo for digital depth ... so they may be crosstalk interference even with the imaging frequencies set different on each unit ...

    Crosstalk interference can by discerned by turning one unit off while watching an interference issue on the other unit - if the interference goes away = crosstalk ...

    Crosstalk interference can sometimes be mitigated with the Noise Filter in the Setup tab ...
    Crosstalk interference can sometimes be mitigated with adjusting the 2d frequency on one unit ...

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  5. 09-14-2020, 12:44 AM #5
    mikey16335
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    Rickie

    Thanks for the reply.

    Mike
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  6. 09-14-2020, 09:35 PM #6
    ultraslab
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    I run a stick steer with a gen 3 helix and live scope side by side. Humminbird transducer mounted to bottom of ultrex and livescope transducer on shaft. Have no problems with interference. Scott
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  7. 09-14-2020, 09:48 PM #7
    mikey16335
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    Scott

    Thanks for the info. As Rickie pointed out, both of my units would be broadcasting 200kHz to locate the depth. Would the LiveScope be trying to locate the depth on the same frequency as your other unit?

    Mike
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  8. 09-15-2020, 05:02 AM #8
    MikeF
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    Livescope runs at 530 - 1,100 kHz.
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  9. 09-15-2020, 12:34 PM #9
    mikey16335
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    Mike F

    Thank you for the reply.

    Mike
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