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Sticky A fire drill with Sonar, Down images.....(Pic Heavy)
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   Fishing Sonar, GPS and Marine Electronics

Posted by Triton Mike
8/1/2010 3:55 PM
Thought I would share some images I took the other day..

This is how my morning started.. This image was a no brainer.. There are crappie suspended above the brush. They are a dead giveaway. Crappie are almost always on brush and have a vertical school formation. I call them wet sock fish because the fight like a wet sock LOL. The rest of the fish are smaller hybrids every once in a while you catch a kong spot up under the hybrids.



Here's the sonar shot. You can tell from the small arches that these fish are small. 3lbs or less was my guess..




Time to PHISH


Tried this pallette for giggles.


Now we catch... See how my spoon line starts to wiggle in the image on the way up LOL. Thats a fish fighting for it's life. He didn't like my directions LOL This is the split 83/200 screen. 200khz is on the right and 83khz is on the left. Whats the purpose of this??


Here is part of the purpose. This chart is very useful if you can put your head around it.. But honestly with Side Imaging on the trolling motor you really don't need it much as you used to as it will tell you exactly what side of the boat these fish are that are on the edge of the cone. However, If you see a fish in 200khz screen and you can see your spoon YOUR CLOSE to that fish!!



More directional difficulties LOL.


A lil hypnosis see the fish following the spoon .


Just FISH.





Ahhhh coming upon some brush in the picture.... Love spooning brush..


Working some fish just inside the brush.


called one out of the brush to play..I have alot of air bubbles rising out of the fresh brush


Can you see the FISH???


Is this any better Each color pallette does something better than the other so by experimenting with them you can make things stand out much better by sticking with one or two color pallette's



If you ever see A fish or a group of fish suddenly rise off the bottom or go downward on your screen chances are very good they are joining another school of fish. It would be wise to follow them with your spoon. See how these two fish join 4 more. They rose from over 30ft to be with a school just under 20ft.



IF you want ARCHES crank up the boat speed.



SUCCESS





My partner in crime for today.. Notice Humminbird is having trouble LOL



Between Kenny and I we got around 50 fish this morning from 650 to before 10am. We would have never found these fish if we didn't use our SI... They broke very little but only after we found them. Maybe for a minute they were schooling on top. All fish caught on spoons. Alot of guys rely on them to break. But if you have a slight wind they won't bust on the surface but they still feed. You just have to find them and with SI finding them is a pile easier.
Posted by AThornton
8/1/2010 3:58 PM
Posted by Buoy-Master
8/1/2010 3:59 PM

XLDVee - 8/1/2010 4:58 PM

Posted by SpurHunter
8/1/2010 6:42 PM
Thanks a TON for posting this Mike! I know you spend a lot of time over on GON, but your insight is really needed over here. I am starting to understand more of what my screen shows me by your in depth post.
Posted by Buoy-Master
8/1/2010 6:46 PM

SpurHunter - 8/1/2010 7:42 PM Thanks a TON for posting this Mike! I know you spend a lot of time over on GON, but your insight is really needed over here. I am starting to understand more of what my screen shows me by your in depth post.

So happy I could help you use the zoom feature BTW..

 Remember, Read Your Manual!

 

Posted by Solo
8/1/2010 6:47 PM
Good to see you here Mike. Trizey
Posted by Dropshot
8/1/2010 7:07 PM
Thanks Mike for contributing your knowledge. I know I find it very educational.
Posted by Triton Mike
8/1/2010 8:15 PM
If I can help you guys just let me know and post here. I'll make it a habit of coming over here more often. Someone has to keep tabs on Trizey .
Posted by jim4596
8/1/2010 8:33 PM
good post Tmike. !
Posted by tnsojaman
8/1/2010 8:39 PM
Awesome post man. I learned alot from your post. I still dont think I fully understand everything and I may have to read it a few more times to get my head around it. Thanks again!!!
Posted by team-d
8/1/2010 9:14 PM
Wow, awesome post/pics, thanks!
Posted by foodsaver
8/1/2010 9:23 PM
thats a ton of helpful info. Now if I can just scrounge up the money to buy a side scan sonar!
Posted by Ram Jack Scott
8/1/2010 9:36 PM
nice post mike!!!
Posted by dnc 796
8/2/2010 8:50 AM
thanks for the post. wow
Posted by BADKARMA
8/2/2010 9:35 AM
Hey, triton mike! Glad to see you visit our forum. Thanks for advice about the HB si units and leading me to Brian. He went WAY above his call of duty to help me out and I ordered the 898 we had discussed on GON. Now I gotta figure out how to mount the sucker....and get the settings right....and how to use it.....oh, boy, this ought to be interesting.

Edited by BADKARMA 8/2/2010 9:36 AM
Posted by Triton Mike
8/2/2010 10:05 AM
Brian is a good guy . Glad he hooked you up .
Posted by Hook1
8/2/2010 11:49 AM
How do you set your unit to show the thermocline like that? That is usually a huge peice of the puzzle.
Posted by derek81
8/2/2010 2:31 PM
Killer post, this help me tremendously to understand exactly what the heck i'm seeing on my ff.
Posted by Gator
8/2/2010 5:23 PM
NOW THAT'S SOME GOOD INFORMATION RIGHT THERE!
THANKS MUCH!!!
Posted by nwright
8/3/2010 12:26 PM
Something doesn’t look right on the split screen sonar images. The 83khz has a wider cone angle than the 200khz and therefore should show more of the bottom. In your images they show the same bottom coverage. Also, the 200khz is supposed to give better definition than the 83khz but in your examples the opposite is true. ????
Posted by Shark
8/3/2010 1:29 PM
I don't understand one bit of your high tech talk. I think I need an on the water demo. Say about 4 plus hours worth of demo and I'll bring my rods for hands on training too. lmao

Just kidding about not understanding.

Great info and thanks for showing us the snap shots.
Posted by Triton Mike
8/3/2010 4:51 PM
nwright - 8/3/2010 12:26 PM

Something doesn’t look right on the split screen sonar images. The 83khz has a wider cone angle than the 200khz and therefore should show more of the bottom. In your images they show the same bottom coverage. Also, the 200khz is supposed to give better definition than the 83khz but in your examples the opposite is true. ????


Good observation.. The 200khz beam has a 20 degree cone. So at 30ft deep it only covers 10ft of the bottom. the 83khz/60 degree cone covers 30ft circle at 30ft. A good percentage of those fish are suspended throughout the 15ft range (I'm rounding this # off for simple math). So your looking at a 5ft cone with the 200khz/20 degree beam.. So obviously there aren't as many fish in the 200khz 20 degree cone as there are in the 83khz/60 degree cone.

I use the 200khz beam for 2 reasons.
1. I get the most accurate GPS waypoints. Narrower beam is more accurate than a wider beam
2. It tells me exactly what fish are directly under the boat and near my spoon (if I see the spoon on the 200khz/20 degree beam side of the sonar split screen).

Essentially the 200khz beam is geared towards bottom detail and fish hidden in bottom cover. 83khz beam is made more for fish/bait due to it's bigger coverage range.

To make this even clearer and to show you a cool feature. The fish ID in orange are in the 20/200khz degree cone. The fish in blue are in the 83khz/40 degree cone.

Posted by Biofisher I
8/3/2010 5:22 PM
Great job. I'm sorry I have missed any of your prior post. Lot's of great detail and info. Keep up the good work.
Posted by nwright
8/3/2010 7:50 PM
Triton Mike - 8/3/2010 4:51 PM

nwright - 8/3/2010 12:26 PM

Something doesn’t look right on the split screen sonar images. The 83khz has a wider cone angle than the 200khz and therefore should show more of the bottom. In your images they show the same bottom coverage. Also, the 200khz is supposed to give better definition than the 83khz but in your examples the opposite is true. ????




I use the 200khz beam for 2 reasons.
1. I get the most accurate GPS waypoints. Narrower beam is more accurate than a wider beam




The cone angle has nothing to do with waypoint accuracy. The waypoint is based upon the HDOP (horizontal dilution of precision) not the vertical. Basically the GPS is marking the waypoint on top of the water, not in the water column.
Posted by Triton Mike
8/3/2010 8:04 PM
You are correct beam angle has ZERO to do with GPS accuracy.. but if your seeing the underwater tree on your sonar using the 83khz which could be 15ft to the right of your boat then is not DIRECTLY over the tree and thus not an accurate GPS point. If you see the tree on your 200khz ie narrow beam on your sonar that puts you closer to the exact location of the tree.

Look at this diagram of two different trees. Both you would see on your dual beam. If you dropped your spoon directly under the boat which tree would you hit? 200khz beam and not the 83khz right???? Have you ever fished a tree on your sonar and not hit the tree with your spoon? I have tons of times on dual beam. Never on 200khz narrow 20 degree beam.. So if you want the most accurate GPS point of the structure/cover you are trying to fish vertically 200khz will get you the most accurate GPS waypoint... Hope that clarifies..



Edited by Triton Mike 8/3/2010 8:04 PM
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