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Max Online: 36273 @ 01/23/13 02:34 PM
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#11437920 - 02/25/16 12:21 AM Can I run two humminbird sonars at the same time?
Spencer J. Offline
Outdoorsman

Registered: 01/12/16
Posts: 34
I have a helix 7 mounted at the console and I just mounted an older 500 series sonar up at the bow and connected it to the US2 transducer in the trolling motor. Can I run both at the same time or will I get interference?

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#11438391 - 02/25/16 09:25 AM Re: Can I run two humminbird sonars at the same time? [Re: Spencer J.]
Bobby Milam Online   content
Extreme Angler

Registered: 07/13/14
Posts: 2013
Loc: Arlington
they should work just fine. I run 2 all the time

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#11438460 - 02/25/16 09:49 AM Re: Can I run two humminbird sonars at the same time? [Re: Spencer J.]
Wayne P. Online   content
TFF Team Angler

Registered: 11/16/10
Posts: 3444
Loc: Charlottesville, Va
Any two units operating on the same frequency will cross-talk when their sonar pulses overlap. That can be on the same boat or different boats.
I get cross-talk on Side Imaging from boats hundreds of feet away that have any brand of the imaging technology that uses 455 and 800 kHz.

This is cross-talk from a boat nearby that also has Humminbird 360:



Edited by Wayne P. (02/25/16 09:51 AM)
_________________________
Humminbird Helix 12 CHIRP SI, 1198c SI, 1198c SI, ONIX 10 SI NT, Helix 7 CHIRP SI GPS G2, 360, RC-1

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#11439631 - 02/25/16 06:10 PM Re: Can I run two humminbird sonars at the same time? [Re: Spencer J.]
Rickmb Offline
Pro Angler

Registered: 07/07/12
Posts: 699
Loc: San Antonio
Results may vary....
My transducers are 18 ft apart. In shallow water they work fine. In deeper water they cross talk some. I notice it more on the 2d side myself. I guess I am lucky I don't have more.
_________________________
2012 Skeeter ZX190
2012 Yamaha 175 HPDI

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#11441752 - 02/26/16 02:03 PM Re: Can I run two humminbird sonars at the same time? [Re: Rickmb]
Wayne P. Online   content
TFF Team Angler

Registered: 11/16/10
Posts: 3444
Loc: Charlottesville, Va
Originally Posted By: Rickmb
Results may vary....
My transducers are 18 ft apart. In shallow water they work fine. In deeper water they cross talk some. I notice it more on the 2d side myself. I guess I am lucky I don't have more.


83 kHz will cross-talk in shallower water than 200 kHz since the spec coverage is three times as much. 60 degrees vs. 20 degrees.
_________________________
Humminbird Helix 12 CHIRP SI, 1198c SI, 1198c SI, ONIX 10 SI NT, Helix 7 CHIRP SI GPS G2, 360, RC-1

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