Question regarding the below video:
Kevin Linza
Feb 24th, 4:12pm
I just watched your video on overlaying down scan on sonar. What is the point of having the sonar up at all why not just go all down scan? Thanks for your response in advance
http://www.westernbass.com/video/lowran ... n-to-sonar
video on overlaying down scan on sonar
Moderator: Ken Sauret
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Re: video on overlaying down scan on sonar
Hi Kevin,
This is a common question and the answer lies in understanding the benefits of each of the different types of sonar. Broadband Sonar is the traditional sonar we all grew up with and Structure Scan is a new type of sonar that is different than Broadband Sonar. Broadband Sonar is normally viewed in 200 khz and Structure Scan sonar is usually set to 800 khz. This very different frequency used by each different sonar type will give you very different benefits from each. Broadband Sonar, 200 khz, will show suspended objects in the water, like fish, much better than Structure Scan can. Conversely to Broadband Sonar, Structure Scan will show the definition of the bottom in much greater detail than Broadband Sonar can.
When Structure Scan sonar if overlaid onto a Broadband Sonar screen, you will have the benefit of seeing what the bottom actually looks like and the ability to see fish that you may be able to drop a bait to in the water column. What I have found is that Structure Scan sonar actually interprets the bottom for Broadband Sonar. In the past the orange, red and yellow features on the bottom of a Broadband Sonar screen were a mystery to most fishermen unless you put a jig or something right into the structure to see if you could identify what the object was. Then, most of the time if it was a tree you would hang up the jig and break it off, but you would know that it was a tree. With Structure Scan you can see at a glance that the object on the bottom is a tree. In most cases you can almost count the limbs on the tree.
Here is a link to a You Tube video to show what a tree looks like on each type of Sonar;
This is a common question and the answer lies in understanding the benefits of each of the different types of sonar. Broadband Sonar is the traditional sonar we all grew up with and Structure Scan is a new type of sonar that is different than Broadband Sonar. Broadband Sonar is normally viewed in 200 khz and Structure Scan sonar is usually set to 800 khz. This very different frequency used by each different sonar type will give you very different benefits from each. Broadband Sonar, 200 khz, will show suspended objects in the water, like fish, much better than Structure Scan can. Conversely to Broadband Sonar, Structure Scan will show the definition of the bottom in much greater detail than Broadband Sonar can.
When Structure Scan sonar if overlaid onto a Broadband Sonar screen, you will have the benefit of seeing what the bottom actually looks like and the ability to see fish that you may be able to drop a bait to in the water column. What I have found is that Structure Scan sonar actually interprets the bottom for Broadband Sonar. In the past the orange, red and yellow features on the bottom of a Broadband Sonar screen were a mystery to most fishermen unless you put a jig or something right into the structure to see if you could identify what the object was. Then, most of the time if it was a tree you would hang up the jig and break it off, but you would know that it was a tree. With Structure Scan you can see at a glance that the object on the bottom is a tree. In most cases you can almost count the limbs on the tree.
Here is a link to a You Tube video to show what a tree looks like on each type of Sonar;
Ken Sauret
Lowrance Pro Staff
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Lowrance Pro Staff
Lowrance http://www.lowrance.com/
Yamamoto https://store.baits.com/home
Dobyns Rods http://www.dobynsrods.com/
Yamaha http://www.yamaha-motor.com/
Personal Web Site http://kensbassfishing.weebly.com/
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