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#12425626 - 09/13/17 07:03 PM Sonar Frequencies
Sandblaster Offline
Angler

Registered: 09/06/11
Posts: 336
Loc: Lake Lavon
Which frequency do you prefer on the 2D sonar when fishing 20 foot of water or less? Also on the front unit for the trolling motor which frequency if using 2D and fishing brush piles?

Which frequency for the down and side imaging in 20 foot of water or less?

Please give details and why.
_________________________
"It has been said that the Lord does not count the days spent fishing against your total allotment."

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#12425644 - 09/13/17 07:21 PM Re: Sonar Frequencies [Re: Sandblaster]
Wayne P. Online   content
TFF Team Angler

Registered: 11/16/10
Posts: 3967
Loc: Charlottesville, Va
2D= 83/200 kHz or the CHIRP ranges of each

Imaging= 455 kHz or its CHIRP range

More coverage, that's it.
_________________________
Humminbird Helix 12 CHIRP SI, 1198c SI, 1198c SI, ONIX 10 SI NT, Helix 7 CHIRP SI GPS G2, SOLIX 12 SI, 360, RC-1

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#12425792 - 09/13/17 08:56 PM Re: Sonar Frequencies [Re: Sandblaster]
Capt Craig Offline
Extreme Angler

Registered: 08/25/09
Posts: 1453
Loc: Richland-Chambers
Imaging 800 kHz. 800 provides a better image.

With CHIRP on your frequencies will be listed as Medium (83) and High (200).
_________________________
Capt. Craig Copeland
Licensed by the US Coast Guard

2013 Nautic Star 2110 Shallow Bay Boat
Humminbird HELIX 12 CHIRP MEGA SI GPS G2N
Nautic Star Boats Pro Staff (nauticstarboats.com)
Redneck Fish'n Jigs Pro Staff (redneckfishn.com)

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#12425855 - 09/13/17 09:37 PM Re: Sonar Frequencies [Re: Sandblaster]
Fin'n Offline
Pro Angler

Registered: 06/18/07
Posts: 672
Loc: FishnrHuntn
For Helix Gen1 CHIRP needs which transducer?
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it's a limit

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#12425876 - 09/13/17 09:48 PM Re: Sonar Frequencies [Re: Sandblaster]
Bobby Milam Offline
TFF Team Angler

Registered: 07/13/14
Posts: 3181
Loc: Arlington
It's the same transducer in the Gen 1, the CHIRP is done in the unit itself but it is only 2d chirp and I believe that it was only offered in the Helix 12.

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