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TOPIC: Getting the most out of your Lowrance HDS sidescan

Getting the most out of your Lowrance HDS sidescan 11 years 9 months ago #4298

  • travisgriggs
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dannett wrote:
Hubert both of my transducers are now mounted in front of the outboard leg as it was the only location I could avoid interference.


Just wanted to say that I also mounted the side scan transducer reversed under the hull on our catamaran. It works extremely well. I had to cut a piece out of the trailer bunk for clearance, but the scan quality is the best I've seen on any installation.
Last Edit: 11 years 9 months ago by travisgriggs.
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Getting the most out of your Lowrance HDS sidescan 11 years 9 months ago #4310

  • dannett
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travisgriggs wrote:
Just wanted to say that I also mounted the side scan transducer reversed under the hull on our catamaran. It works extremely well. I had to cut a piece out of the trailer bunk for clearance, but the scan quality is the best I've seen on any installation.
Yes I think the return quality is far better in this location. Interesting the right hand channel has a better return and I think it has something to do with the larger surface area on that side. It would be an interesting test to mount the transducer as a skimmer with an aluminium plate backing. I suspect it reduces the surface interference when the returns hit it.
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Getting the most out of your Lowrance HDS sidescan 11 years 8 months ago #4449

  • travisgriggs
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dannett wrote:
travisgriggs wrote:
Just wanted to say that I also mounted the side scan transducer reversed under the hull on our catamaran. It works extremely well. I had to cut a piece out of the trailer bunk for clearance, but the scan quality is the best I've seen on any installation.
Yes I think the return quality is far better in this location. Interesting the right hand channel has a better return and I think it has something to do with the larger surface area on that side. It would be an interesting test to mount the transducer as a skimmer with an aluminium plate backing. I suspect it reduces the surface interference when the returns hit it.

The angle of the hull on the right reflects more of the returning sound waves onto the face of the transducer. On the left side, you don't get that extra boost.

I'd guess that the difference is most pronounced at the outside of the right channel's range? It probably is much brighter as you get into the 100-200 foot range. But closer underneath the boat, the returns are just about identical, aren't they?
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Getting the most out of your Lowrance HDS sidescan 11 years 8 months ago #4450

  • travisgriggs
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Here's an a diagram explaining why the right side is brighter. I exaggerated the angles a little bit for clarity.
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Getting the most out of your Lowrance HDS sidescan 8 years 1 month ago #10438

  • MarsArtis
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AnglingCharts wrote:
2. Record small chunks of data – 30 mins is probably an ideal maximum. You never know what you may want to do with it.

Great tips.
For sure most of them can be applied on EliteTi models.

About the quoted tip:
On the EliteTi you can set maximum SL2 file size.
Do you know how much would almost correspond 30 mins in Mega Bytes?
And setting a filesize limit will make the log recording stop and start automatically during logging or just stop untill you manually restart?

Thx
Last Edit: 8 years 1 month ago by MarsArtis.
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