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Dec 30th, 2023
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 Losing sonar readout when underway
#13384545
12/27/19 11:35 PM
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Joined: Feb 2006
Posts: 929
kirbydog
OP
Pro Angler
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OP
Pro Angler
Joined: Feb 2006
Posts: 929 |
When I get underway I lose sonar contact with the bottom once I'm up on plane and underway.
Tried tweaking the transducer at the back of the boat but can't get it to give me sonar returns when underway-anything I can do
about it?
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Re: Losing sonar readout when underway
[Re: kirbydog]
#13384553
12/27/19 11:41 PM
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Joined: Nov 2010
Posts: 5,099
Wayne P.
TFF Celebrity
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TFF Celebrity
Joined: Nov 2010
Posts: 5,099 |
When I get underway I lose sonar contact with the bottom once I'm up on plane and underway.
Tried tweaking the transducer at the back of the boat but can't get it to give me sonar returns when underway-anything I can do
about it? Post a picture of your transducer installation.
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
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Re: Losing sonar readout when underway
[Re: kirbydog]
#13384557
12/27/19 11:51 PM
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Joined: Feb 2006
Posts: 929
kirbydog
OP
Pro Angler
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OP
Pro Angler
Joined: Feb 2006
Posts: 929 |
Don't know how to post pictures-I'm 70. 
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Re: Losing sonar readout when underway
[Re: kirbydog]
#13384571
12/28/19 12:12 AM
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Joined: Nov 2010
Posts: 126
LostHubbardFisherman
Outdoorsman
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Outdoorsman
Joined: Nov 2010
Posts: 126 |
What brand of electronics are you using?
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Re: Losing sonar readout when underway
[Re: kirbydog]
#13384631
12/28/19 01:16 AM
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Joined: Feb 2006
Posts: 929
kirbydog
OP
Pro Angler
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OP
Pro Angler
Joined: Feb 2006
Posts: 929 |
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Re: Losing sonar readout when underway
[Re: kirbydog]
#13384633
12/28/19 01:18 AM
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Joined: Mar 2003
Posts: 13,594
SteveHummert
pawpaw
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pawpaw
Joined: Mar 2003
Posts: 13,594 |
Is it a side/down scan transducer mounted outside the transom?
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Re: Losing sonar readout when underway
[Re: kirbydog]
#13384635
12/28/19 01:20 AM
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Joined: Jul 2011
Posts: 4,097
David Burton
TFF Team Angler
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TFF Team Angler
Joined: Jul 2011
Posts: 4,097 |
Probably nothing you can do except add a shoot thru hull transducer, and hope for the best.. On a standard bass boat installation, the transom-mounted transducer is either above or just skimming the surface when on plane. Even many "thru-hull" mounts are just off the pad. I only keep bottom until I hit about 45-55 mph and am at 3/4-full trim and i have both transom and thru-hull mounts. Now, i do have Raymarine units that have an imperfect network identity..... 
David Burton
2015 Skeeter FX 21 +Ultrex +Helix 12 (x3) +Mega360 +MegaLive
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Re: Losing sonar readout when underway
[Re: kirbydog]
#13384780
12/28/19 03:10 AM
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Joined: Dec 2011
Posts: 1,617
NickHasty
Extreme Angler
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Extreme Angler
Joined: Dec 2011
Posts: 1,617 |
I know I heard Aaron Martens using side imaging at 25 mph, never understood how to get it setup to work at speed...
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Re: Losing sonar readout when underway
[Re: kirbydog]
#13384799
12/28/19 03:18 AM
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Joined: May 2003
Posts: 16,291
Chris B
TFF Guru
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TFF Guru
Joined: May 2003
Posts: 16,291 |
Set it on the transom sticking down about an 1/8 of an inch below the pad. Mine reads at high speeds very good.
![[Linked Image]](https://texasfishingforum.com/forums/pics/usergals/2017/07/full-3769-170037-image.png) I hate photobucket.
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Re: Losing sonar readout when underway
[Re: Chris B]
#13384876
12/28/19 11:12 AM
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Joined: Jan 2004
Posts: 16,859
ezbassin
TFF Guru
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TFF Guru
Joined: Jan 2004
Posts: 16,859 |
Set it on the transom sticking down about an 1/8 of an inch below the pad. Mine reads at high speeds very good. Nice, I wondered if that would work but I never did that thinking that it would cause too much turbulence in the water below the pad and not get a reading.
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Re: Losing sonar readout when underway
[Re: kirbydog]
#13384877
12/28/19 11:19 AM
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Joined: Jan 2012
Posts: 15,796
ko bass attack 27
TFF Guru
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TFF Guru
Joined: Jan 2012
Posts: 15,796 |
It means it's time to trim up and haul azz.
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Re: Losing sonar readout when underway
[Re: kirbydog]
#13384965
12/28/19 02:30 PM
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Joined: Jul 2009
Posts: 1,342
EastTexasBassin
Extreme Angler
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Extreme Angler
Joined: Jul 2009
Posts: 1,342 |
I can only get a depth reading at an idle. When I get on plane my graph shows nothing.
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Re: Losing sonar readout when underway
[Re: kirbydog]
#13384973
12/28/19 02:36 PM
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Joined: Sep 2008
Posts: 121,070
hopalong
Pescador Loco
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Pescador Loco
Joined: Sep 2008
Posts: 121,070 |
di/si ducers will not read above about 6-7 mph. get a thru hull and put it as far back in the bilge as possible.
" Hop, set the hook"!
hopalong 99,999
TexDawg 99,999
FJB! not my president by a long shot!
lake fork FISHERMANS COVE MARINA/reservations - 903 474 7479
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Re: Losing sonar readout when underway
[Re: NickHasty]
#13385127
12/28/19 05:52 PM
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Joined: Jan 2004
Posts: 16,859
ezbassin
TFF Guru
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TFF Guru
Joined: Jan 2004
Posts: 16,859 |
I know I heard Aaron Martens using side imaging at 25 mph, never understood how to get it setup to work at speed... I would have to see that for real. I would never take anyone's word for that.
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Re: Losing sonar readout when underway
[Re: ezbassin]
#13385244
12/28/19 08:36 PM
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Joined: Oct 2006
Posts: 13,516
Ken A.
Groovy
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Groovy
Joined: Oct 2006
Posts: 13,516 |
Set it on the transom sticking down about an 1/8 of an inch below the pad. Mine reads at high speeds very good. Nice, I wondered if that would work but I never did that thinking that it would cause too much turbulence in the water below the pad and not get a reading. ![[Linked Image]](https://texasfishingforum.com/forums/pics/userpics/2019/12/full-19947-34470-screen_shot_2019_12_28_at_2.28.07_pm.png) EJ, mine works well at speeds up to about 35 mph. This is not my boat. If you mount it too close to the center of the pad like this one it will get too much air bubble interference and cause bad readings/loss of bottom signal. My transducer is mounted off to the starboard side about a foot from this. At low speeds under 35 or so there is more of the pad in the water so you can mount the transducer off to the side a bit. That keeps it in cleaner water for a better reading.
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