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Sonar Frequencies #12425626 09/14/17 12:03 AM
Joined: Sep 2011
Posts: 472
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Sandblaster Offline OP
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Joined: Sep 2011
Posts: 472
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."
Re: Sonar Frequencies [Re: Sandblaster] #12425644 09/14/17 12:21 AM
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Wayne P. Offline
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2D= 83/200 kHz or the CHIRP ranges of each

Imaging= 455 kHz or its CHIRP range

More coverage, that's it.


Helix 12 CHIRP MEGA SI+ GPS G3N and G4N, 1198c SI, SOLIX 10 SI G3,
Helix 8 MEGA SI+ GPS G4N, SOLIX 12 SI and G3, MEGA 360, MEGA LIVE TL, RC-1
Re: Sonar Frequencies [Re: Sandblaster] #12425792 09/14/17 01:56 AM
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Capt Craig Offline
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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

2019 Nautic Star 215 XTS Shallow Bay Boat
Humminbird HELIX 12 CHIRP MEGA SI GPS G3N
Nautic Star Boats Pro Staff (nauticstarboats.com)
Redneck Fish'n Jigs Pro Staff (redneckfishn.com)
Re: Sonar Frequencies [Re: Sandblaster] #12425855 09/14/17 02:37 AM
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Not2Old2Fish Offline
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For Helix Gen1 CHIRP needs which transducer?


<°(((((>{
Re: Sonar Frequencies [Re: Sandblaster] #12425876 09/14/17 02:48 AM
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Bobby Milam Offline
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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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