What sits inside of fish finder sonar for personal use ?...

A

a a

Guest
I need to get one for tests but there is a lot number of such devices offered on Aliexpress, so I need to know what sits inside to make the right choice.


https://www.aliexpress.com/w/wholesale-fish-sonar.html?catId=0&initiative_id=SB_20230522025314&SearchText=fish+sonar&spm=a2g0o.home.1000002.0
 
On Monday, May 22, 2023 at 8:54:38 PM UTC-4, a a wrote:
I need to get one for tests but there is a lot number of such devices offered on Aliexpress, so I need to know what sits inside to make the right choice.


https://www.aliexpress.com/w/wholesale-fish-sonar.html?catId=0&initiative_id=SB_20230522025314&SearchText=fish+sonar&spm=a2g0o.home.1000002.0

What is your criteria for the \"right choice\"?

--

Rick C.

- Get 1,000 miles of free Supercharging
- Tesla referral code - https://ts.la/richard11209
 
>

Darius the Dumb has posted yet one more #veryStupidByLowIQaa article.
 
On Monday, May 22, 2023 at 8:54:38 PM UTC-4, a a wrote:
I need to get one for tests but there is a lot number of such devices offered on Aliexpress, so I need to know what sits inside to make the right choice.


https://www.aliexpress.com/w/wholesale-fish-sonar.html?catId=0&initiative_id=SB_20230522025314&SearchText=fish+sonar&spm=a2g0o.home.1000002.0

Furuno has a 18 chapter course on the topic. They\'ve been working the technology for 75 years and therefore know quite a bit about it.

https://www.furuno.com/special/en/fishfinder/index.html
 
On 23/05/2023 02:41, Ricky wrote:
On Monday, May 22, 2023 at 8:54:38 PM UTC-4, a a wrote:
I need to get one for tests but there is a lot number of such devices offered on Aliexpress, so I need to know what sits inside to make the right choice.


https://www.aliexpress.com/w/wholesale-fish-sonar.html?catId=0&initiative_id=SB_20230522025314&SearchText=fish+sonar&spm=a2g0o.home.1000002.0

What is your criteria for the \"right choice\"?
When you see \'nice ones\'for a few hundred pounds/dollars, one has to
wonder how good is one going to be that is <<£$100 ?

--
This email has been checked for viruses by Avast antivirus software.
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On Tuesday, 23 May 2023 at 23:39:37 UTC+2, TTman wrote:
On 23/05/2023 02:41, Ricky wrote:
On Monday, May 22, 2023 at 8:54:38 PM UTC-4, a a wrote:
I need to get one for tests but there is a lot number of such devices offered on Aliexpress, so I need to know what sits inside to make the right choice.


https://www.aliexpress.com/w/wholesale-fish-sonar.html?catId=0&initiative_id=SB_20230522025314&SearchText=fish+sonar&spm=a2g0o.home.1000002.0

What is your criteria for the \"right choice\"?

When you see \'nice ones\'for a few hundred pounds/dollars, one has to
wonder how good is one going to be that is <<£$100 ?

I exactly need to know what sits inside of the ball, number of transmitters, if rotated or not, number of beams, resolution and more what is a standard in USG devices.

This week I plan to get $10 car parking ultrasonic device made of 4 outdoor sensors, small computer and small LED display for distance data and insert a single sensor into water to learn what response can I get.

I love history of development of fish sonars but what if offered at Aliexpress are modern stand-alone fish finder products
starting as low as at $20 (from the link above).

I still hope to get images of the broken fish finder opened (ball) and dismantled into pieces.

Tried hard to get such broken device locally but none offered yet.
 
On Tuesday, May 23, 2023 at 5:39:37 PM UTC-4, TTman wrote:
On 23/05/2023 02:41, Ricky wrote:
On Monday, May 22, 2023 at 8:54:38 PM UTC-4, a a wrote:
I need to get one for tests but there is a lot number of such devices offered on Aliexpress, so I need to know what sits inside to make the right choice.


https://www.aliexpress.com/w/wholesale-fish-sonar.html?catId=0&initiative_id=SB_20230522025314&SearchText=fish+sonar&spm=a2g0o.home.1000002.0

What is your criteria for the \"right choice\"?

When you see \'nice ones\'for a few hundred pounds/dollars, one has to
wonder how good is one going to be that is <<£$100 ?

What is your definition of \"nice ones\"?

--

Rick C.

+ Get 1,000 miles of free Supercharging
+ Tesla referral code - https://ts.la/richard11209
 
>

Darius the Dumb has posted yet one more #veryStupidByLowIQaa article.
 
On 23/05/2023 23:20, Ricky wrote:
On Tuesday, May 23, 2023 at 5:39:37 PM UTC-4, TTman wrote:
On 23/05/2023 02:41, Ricky wrote:
On Monday, May 22, 2023 at 8:54:38 PM UTC-4, a a wrote:
I need to get one for tests but there is a lot number of such devices offered on Aliexpress, so I need to know what sits inside to make the right choice.


https://www.aliexpress.com/w/wholesale-fish-sonar.html?catId=0&initiative_id=SB_20230522025314&SearchText=fish+sonar&spm=a2g0o.home.1000002.0

What is your criteria for the \"right choice\"?

When you see \'nice ones\'for a few hundred pounds/dollars, one has to
wonder how good is one going to be that is <<£$100 ?

What is your definition of \"nice ones\"?
Those that will work \'properly\' and identify shoals of fish that are
really there..

--
This email has been checked for viruses by Avast antivirus software.
www.avast.com
 
On Wednesday, May 24, 2023 at 5:58:24 PM UTC-4, TTman wrote:
On 23/05/2023 23:20, Ricky wrote:
On Tuesday, May 23, 2023 at 5:39:37 PM UTC-4, TTman wrote:
On 23/05/2023 02:41, Ricky wrote:
On Monday, May 22, 2023 at 8:54:38 PM UTC-4, a a wrote:
I need to get one for tests but there is a lot number of such devices offered on Aliexpress, so I need to know what sits inside to make the right choice.


https://www.aliexpress.com/w/wholesale-fish-sonar.html?catId=0&initiative_id=SB_20230522025314&SearchText=fish+sonar&spm=a2g0o.home.1000002.0

What is your criteria for the \"right choice\"?

When you see \'nice ones\'for a few hundred pounds/dollars, one has to
wonder how good is one going to be that is <<£$100 ?

What is your definition of \"nice ones\"?

Those that will work \'properly\' and identify shoals of fish that are
really there..
--
This email has been checked for viruses by Avast antivirus software.
www.avast.com

Again, define \"properly\". You keep using undefined terms. BTW, I think you mean \"schools\", not \"shoals\" of fish.

How do you know which ones work \"properly\" and which don\'t, other than to buy them and test?

This seems to be a circular idea. First, know what is inside, so they can be bought, to see what is inside.

--

Rick C.

-- Get 1,000 miles of free Supercharging
-- Tesla referral code - https://ts.la/richard11209
 
On Tuesday, May 23, 2023 at 6:06:51 PM UTC-4, a a wrote:
On Tuesday, 23 May 2023 at 23:39:37 UTC+2, TTman wrote:
On 23/05/2023 02:41, Ricky wrote:
On Monday, May 22, 2023 at 8:54:38 PM UTC-4, a a wrote:
I need to get one for tests but there is a lot number of such devices offered on Aliexpress, so I need to know what sits inside to make the right choice.


https://www.aliexpress.com/w/wholesale-fish-sonar.html?catId=0&initiative_id=SB_20230522025314&SearchText=fish+sonar&spm=a2g0o.home.1000002.0

What is your criteria for the \"right choice\"?

When you see \'nice ones\'for a few hundred pounds/dollars, one has to
wonder how good is one going to be that is <<£$100 ?

I exactly need to know what sits inside of the ball, number of transmitters, if rotated or not, number of beams, resolution and more what is a standard in USG devices.

This week I plan to get $10 car parking ultrasonic device made of 4 outdoor sensors, small computer and small LED display for distance data and insert a single sensor into water to learn what response can I get.

I love history of development of fish sonars but what if offered at Aliexpress are modern stand-alone fish finder products
starting as low as at $20 (from the link above).

I still hope to get images of the broken fish finder opened (ball) and dismantled into pieces.

Tried hard to get such broken device locally but none offered yet.

The distance meter and fish finder transducers are completely different. Speed of sound in water is a little less than 5x that in air, and of course water is much denser. It\'s usually just a rigid planar surface. The air transducer is more like a piezo speaker, and won\'t work very well submerged in water.
 
On Thursday, 25 May 2023 at 10:28:59 UTC+10, Ricky wrote:
On Wednesday, May 24, 2023 at 5:58:24 PM UTC-4, TTman wrote:
On 23/05/2023 23:20, Ricky wrote:
On Tuesday, May 23, 2023 at 5:39:37 PM UTC-4, TTman wrote:
On 23/05/2023 02:41, Ricky wrote:
On Monday, May 22, 2023 at 8:54:38 PM UTC-4, a a wrote:
I need to get one for tests but there is a lot number of such devices offered on Aliexpress, so I need to know what sits inside to make the right choice.


https://www.aliexpress.com/w/wholesale-fish-sonar.html?catId=0&initiative_id=SB_20230522025314&SearchText=fish+sonar&spm=a2g0o.home.1000002.0

What is your criteria for the \"right choice\"?

When you see \'nice ones\'for a few hundred pounds/dollars, one has to
wonder how good is one going to be that is <<£$100 ?

What is your definition of \"nice ones\"?

Those that will work \'properly\' and identify shoals of fish that are
really there..
--
This email has been checked for viruses by Avast antivirus software.
www.avast.com
Again, define \"properly\". You keep using undefined terms. BTW, I think you mean \"schools\", not \"shoals\" of fish.

How do you know which ones work \"properly\" and which don\'t, other than to buy them and test?

This seems to be a circular idea. First, know what is inside, so they can be bought, to see what is inside.

--

Rick C.

-- Get 1,000 miles of free Supercharging
-- Tesla referral code - https://ts.la/richard11209

https://tinyurl.com/yc3s368c

Bit parochial, aren\'t we?

--
Cheers,
Chris.
 
On Thursday, May 25, 2023 at 6:30:03 PM UTC-4, Chris wrote:
On Thursday, 25 May 2023 at 10:28:59 UTC+10, Ricky wrote:
On Wednesday, May 24, 2023 at 5:58:24 PM UTC-4, TTman wrote:
On 23/05/2023 23:20, Ricky wrote:
On Tuesday, May 23, 2023 at 5:39:37 PM UTC-4, TTman wrote:
On 23/05/2023 02:41, Ricky wrote:
On Monday, May 22, 2023 at 8:54:38 PM UTC-4, a a wrote:
I need to get one for tests but there is a lot number of such devices offered on Aliexpress, so I need to know what sits inside to make the right choice.


https://www.aliexpress.com/w/wholesale-fish-sonar.html?catId=0&initiative_id=SB_20230522025314&SearchText=fish+sonar&spm=a2g0o.home..1000002.0

What is your criteria for the \"right choice\"?

When you see \'nice ones\'for a few hundred pounds/dollars, one has to
wonder how good is one going to be that is <<£$100 ?

What is your definition of \"nice ones\"?

Those that will work \'properly\' and identify shoals of fish that are
really there..
--
This email has been checked for viruses by Avast antivirus software.
www.avast.com
Again, define \"properly\". You keep using undefined terms. BTW, I think you mean \"schools\", not \"shoals\" of fish.

How do you know which ones work \"properly\" and which don\'t, other than to buy them and test?

This seems to be a circular idea. First, know what is inside, so they can be bought, to see what is inside.

--

Rick C.

-- Get 1,000 miles of free Supercharging
-- Tesla referral code - https://ts.la/richard11209
https://tinyurl.com/yc3s368c

Bit parochial, aren\'t we?

It\'s not my ideas. I\'m just trying to understand what they are asking for.

--

Rick C.

-+ Get 1,000 miles of free Supercharging
-+ Tesla referral code - https://ts.la/richard11209
 

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