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  #1  
Old 01-10-2017, 07:18 AM
Jaylive Jaylive is offline
 
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Location: sykvan lake
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Default Most accurate lake maps?

Hey I'm just wondering what lake maps other guys are using in Alberta? I'm running navionics and have found on my home lakes of sylvan and gull that they are quite inaccurate. I mean ya it will show the steep breaks and stuff but iv gone out to fish certain structure just to find out it's not really there. Any one else have this problem? Thinking of switching to another map company any suggestions or concerns? Thinking of heading to cold lake for lakers and I don't wanna get there and the map be put to lunch like it is here.
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Old 01-10-2017, 07:28 AM
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FlyTheory FlyTheory is offline
 
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I know those self-imaging programs are the most accurate maps since you fabricate the map yourself!
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Old 01-10-2017, 07:52 AM
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sturgeonhound sturgeonhound is offline
 
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The most accurate maps are the ones you make your self with lowrance's insight genesis or humminbird's autochart. The commercially available maps are all about the same, but from my research, navioincs sonar chart seems to be the best because it gets updates from all of the folks that record their own data and share it with navioincs.

If you want help making your own maps, shoot me a pm.
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Old 01-10-2017, 08:37 AM
TylerThomson TylerThomson is offline
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If you ate running the phone app of navionics turn on community edits. Bottom left of the map screen click the sonar icon. Click on sonar chart. Click on update all.
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Old 01-10-2017, 09:07 AM
livinstone livinstone is offline
 
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Quote:
Originally Posted by TylerThomson View Post
If you ate running the phone app of navionics turn on community edits. Bottom left of the map screen click the sonar icon. Click on sonar chart. Click on update all.
WHAT??
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  #6  
Old 01-10-2017, 09:41 AM
laker taker2 laker taker2 is offline
 
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Does the navionics app only work on a lake if you have cell service or does it work with gps location from the phone?
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  #7  
Old 01-10-2017, 11:07 AM
TylerThomson TylerThomson is offline
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Quote:
Originally Posted by livinstone View Post
WHAT??
What is it you are having trouble understanding? If you can't infer from my post what this does, it turns on community edits and the map is built from sonar information that it's provided by fisherman and it is updated regularly.

It increases the accuracy of the charts down to 1 foot increments.
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  #8  
Old 01-10-2017, 11:14 AM
TylerThomson TylerThomson is offline
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Here is a screen shot of the point west of the marina. First one is navionics chart second is same chart with community provided sonar info.

Sent from my SM-G935W8 using Tapatalk
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  #9  
Old 01-10-2017, 12:47 PM
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RavYak RavYak is offline
 
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Quote:
Originally Posted by TylerThomson View Post
Here is a screen shot of the point west of the marina. First one is navionics chart second is same chart with community provided sonar info.
The sonar charts view is more accurate on some water bodies but still horribly inaccurate on most of our lakes. I think they used the same data and just added more interpolated lines to it, I don't think most of them have actually been updated by locals.
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  #10  
Old 01-10-2017, 01:07 PM
TylerThomson TylerThomson is offline
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I emailed them a while ago and they told me that those maps are the ones that are updated by people who run compatible sonar and upload the info from them. I've found it to be pretty accurate on the more popular lakes but it defaults to navionics maps if there is no sonar dares available.

On the mite popular lakes I've had no problem using it to locate mid lake humps and bars but depending on which lake your are at ymmv.

If anyone knows of a better map pack I'd live to hear about it I would buy it in a second.
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  #11  
Old 01-10-2017, 01:31 PM
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RavYak RavYak is offline
 
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Quote:
Originally Posted by TylerThomson View Post
If anyone knows of a better map pack I'd live to hear about it I would buy it in a second.
There is no better one other then making your own.

I am just pointing out that like Navionics in general you have to take the sonar charts view with a grain of salt too. For example the image that you showed for Cold Lake is not even close to accurate. It looks a lot more detailed but it is worthless because the contours are not correct.

It still can help find the odd hump, drop off etc but you have to be willing to cover a bunch of ground because they often are not where navionics shows them and sometimes they don't even exist. Still better then nothing though.
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  #12  
Old 01-10-2017, 02:15 PM
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rmk800 rmk800 is offline
 
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http://aep.alberta.ca/forms-maps-ser...etry-maps.aspx

here are some

Last edited by rmk800; 01-10-2017 at 02:20 PM. Reason: found better link
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  #13  
Old 01-10-2017, 09:30 PM
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SamSteele SamSteele is offline
 
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The new Helix 5 & 7 G2s have Autochart now too, plus you can use them with the ice kit for ice fishing. Pretty great technology for a relatively low input cost.

Last year was my first year with a Helix 9 and Autochart and it was a game changer. Making accurate maps as I needed in realtime was such a time saver. Being able to have those same maps in a portable unit for ice fishing would be awesome too.


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  #14  
Old 01-10-2017, 10:11 PM
Game Hunter Game Hunter is offline
 
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What's the full name of that navianics map app? And cost?
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  #15  
Old 01-11-2017, 11:19 AM
ddddd05 ddddd05 is offline
 
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Wow that navionics app must be awesome. What a good suggestion. I just went to their website and you can see the maps for free. Just zoom in with coverage chart at the bottom.

http://www.navionics.com/en/mobile-pc-app-2
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  #16  
Old 01-11-2017, 01:46 PM
Jaylive Jaylive is offline
 
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It is cool just don't get your hopes up to much
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