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DownTime

External


Since: Nov 25, 2007
Posts: 63



(Msg. 16) Posted: Mon Aug 18, 2008 9:21 pm
Post subject: Re: Shallow Water Depth Finders [Login to view extended thread Info.]
Archived from groups: rec>boats (more info?)

Short Wave Sportfishing wrote:
> Two seperate frequencies is a different issue than two at the same
> frequency which is what I assumed the OP was talking about.

Correct, my original post was assuming they'd be the same frequency. My
experiences with the Garmin units was they can provide either separate
transducers for 50mhz, or 200 mhz, or a combination single transducer
with both frequencies. The unit can be set for either or both, depending
on the needs.

I am no electrical engineer, but as I understand it, the 200mhz was
better suited to the shallower depths, while the 50mhz was more for the
deeper depths. Given most all boating will be in less than 20 ft, with
the occasional voyage to maybe 75-100 (Boca Grande).

Time to start Googling and reading. Wink

Tom - i am curious to know what units you are using and what is your
overall satisfaction with it/them. If you were to outfit your boat
again, would you pick the same one? Same manufacturer? Or completely
different?

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Short Wave Sportfishing

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Since: Mar 09, 2008
Posts: 586



(Msg. 17) Posted: Mon Aug 18, 2008 9:54 pm
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On Mon, 18 Aug 2008 17:37:40 -0400, DownTime <DownTime61.TakeThisOut@comcast.net>
wrote:

>Tom - i am curious to know what units you are using and what is your
>overall satisfaction with it/them. If you were to outfit your boat
>again, would you pick the same one? Same manufacturer? Or completely
>different?

I wouldn't buy anything other than Raymarine. I've always had good
service (although in the past, they had some issues, but I never
experienced them), quick turnaround on repairs and every time I had an
issue, I received solid advice from experienced technicians - which I
haven't need much of except for an installation that I screwed up on
the last Contender I owned. Strictly my fault, but they stood behind
the unit and replaced it with a new one.

Raymarine - it's as simple as that. :>)

Having said that, Furuno makes good gear as well as Si-Tex, Simrad and
Standard Horizon.

It all depends on your price point.

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DownTime

External


Since: Nov 25, 2007
Posts: 63



(Msg. 18) Posted: Mon Aug 18, 2008 9:54 pm
Post subject: Re: Shallow Water Depth Finders [Login to view extended thread Info.]
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Short Wave Sportfishing wrote:
> I wouldn't buy anything other than Raymarine. I've always had good
> service (although in the past, they had some issues, but I never
> experienced them), quick turnaround on repairs and every time I had an
> issue, I received solid advice from experienced technicians - which I
> haven't need much of except for an installation that I screwed up on
> the last Contender I owned. Strictly my fault, but they stood behind
> the unit and replaced it with a new one.
>
> Raymarine - it's as simple as that. :>)
>
> Having said that, Furuno makes good gear as well as Si-Tex, Simrad and
> Standard Horizon.
>
> It all depends on your price point.

I've liked the looks of the Raymarine line. A friend in the UK works for
company which supplies parts to Raymarine. I intend to look at them as
my first choice. If it helps me catch more fish, price is of no concern.
It simply raises the cost per fillet. Wink
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Eisboch

External


Since: Jan 24, 2006
Posts: 2757



(Msg. 19) Posted: Mon Aug 18, 2008 9:54 pm
Post subject: Re: Shallow Water Depth Finders [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

"Short Wave Sportfishing" <email.RemoveThis@swsportsremove.org> wrote in message
news:pdrja4hb52folg39ulorhdp4tvglsahn4g@4ax.com...
> On Mon, 18 Aug 2008 17:37:40 -0400, DownTime <DownTime61.RemoveThis@comcast.net>
> wrote:
>
>>Tom - i am curious to know what units you are using and what is your
>>overall satisfaction with it/them. If you were to outfit your boat
>>again, would you pick the same one? Same manufacturer? Or completely
>>different?
>
> I wouldn't buy anything other than Raymarine. I've always had good
> service (although in the past, they had some issues, but I never
> experienced them), quick turnaround on repairs and every time I had an
> issue, I received solid advice from experienced technicians - which I
> haven't need much of except for an installation that I screwed up on
> the last Contender I owned. Strictly my fault, but they stood behind
> the unit and replaced it with a new one.
>
> Raymarine - it's as simple as that. :>)
>
> Having said that, Furuno makes good gear as well as Si-Tex, Simrad and
> Standard Horizon.
>
> It all depends on your price point.


The Navigator had Raytheon (Raymarine) electronics. The depth finder was a
dual freq unit and worked well in shallow water.
I had an offset programmed into it, (boat's draft was 4.5') and it very
accurately let me know just prior to going aground when it read 2.8'.
Don't ask how I know how accurate it was.

Eisboch
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Calif Bill

External


Since: Jan 26, 2006
Posts: 2314



(Msg. 20) Posted: Mon Aug 18, 2008 9:54 pm
Post subject: Re: Shallow Water Depth Finders [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

"Short Wave Sportfishing" <email.TakeThisOut@swsportsremove.org> wrote in message
news:pdrja4hb52folg39ulorhdp4tvglsahn4g@4ax.com...
> On Mon, 18 Aug 2008 17:37:40 -0400, DownTime <DownTime61.TakeThisOut@comcast.net>
> wrote:
>
>>Tom - i am curious to know what units you are using and what is your
>>overall satisfaction with it/them. If you were to outfit your boat
>>again, would you pick the same one? Same manufacturer? Or completely
>>different?
>
> I wouldn't buy anything other than Raymarine. I've always had good
> service (although in the past, they had some issues, but I never
> experienced them), quick turnaround on repairs and every time I had an
> issue, I received solid advice from experienced technicians - which I
> haven't need much of except for an installation that I screwed up on
> the last Contender I owned. Strictly my fault, but they stood behind
> the unit and replaced it with a new one.
>
> Raymarine - it's as simple as that. :>)
>
> Having said that, Furuno makes good gear as well as Si-Tex, Simrad and
> Standard Horizon.
>
> It all depends on your price point.

For shallow water I would look at the cheap Eagles, Humminbirds, etc. Lot
less power. My old, really old, Humminbird did a lot better in shallow
water than my Furuno I now have.
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hk

External


Since: Jan 21, 2008
Posts: 971



(Msg. 21) Posted: Mon Aug 18, 2008 9:54 pm
Post subject: Re: Shallow Water Depth Finders [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Eisboch wrote:
> "Short Wave Sportfishing" <email DeleteThis @swsportsremove.org> wrote in message
> news:pdrja4hb52folg39ulorhdp4tvglsahn4g@4ax.com...
>> On Mon, 18 Aug 2008 17:37:40 -0400, DownTime <DownTime61 DeleteThis @comcast.net>
>> wrote:
>>
>>> Tom - i am curious to know what units you are using and what is your
>>> overall satisfaction with it/them. If you were to outfit your boat
>>> again, would you pick the same one? Same manufacturer? Or completely
>>> different?
>> I wouldn't buy anything other than Raymarine. I've always had good
>> service (although in the past, they had some issues, but I never
>> experienced them), quick turnaround on repairs and every time I had an
>> issue, I received solid advice from experienced technicians - which I
>> haven't need much of except for an installation that I screwed up on
>> the last Contender I owned. Strictly my fault, but they stood behind
>> the unit and replaced it with a new one.
>>
>> Raymarine - it's as simple as that. :>)
>>
>> Having said that, Furuno makes good gear as well as Si-Tex, Simrad and
>> Standard Horizon.
>>
>> It all depends on your price point.
>
>
> The Navigator had Raytheon (Raymarine) electronics. The depth finder was a
> dual freq unit and worked well in shallow water.
> I had an offset programmed into it, (boat's draft was 4.5') and it very
> accurately let me know just prior to going aground when it read 2.8'.
> Don't ask how I know how accurate it was.
>
> Eisboch
>
>

I have a Ray depthfinder on son of Yo Ho, attached to a through-hull
(not shoot through the hull) transducer. No offset, because it actually
is measuring the distance between the bottom of the hull and "the bottom."

The unit is fine, except its color screen is not nearly as good as the
color screen on competing Garmin units, in terms of how visible and
readable it is in bright sunlight.





--
I am only one, but I am one. I cannot do everything, but I can do
something. And because I cannot do everything, I will not refuse to do
the something that I can do. What I can do, I should do. And what I
should do, by the grace of God, I will do.

— Edward Everett Hale (1822-1909)
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Eisboch

External


Since: Jan 24, 2006
Posts: 2757



(Msg. 22) Posted: Mon Aug 18, 2008 9:54 pm
Post subject: Re: Shallow Water Depth Finders [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

"hk" <payer33859.TakeThisOut@mypacks.net> wrote in message
news:p8CdnR4hWffqnjfVnZ2dnUVZ_tPinZ2d@comcast.com...

> Eisboch wrote:
>>
>>
>> The Navigator had Raytheon (Raymarine) electronics. The depth finder was
>> a dual freq unit and worked well in shallow water.
>> I had an offset programmed into it, (boat's draft was 4.5') and it very
>> accurately let me know just prior to going aground when it read 2.8'.
>> Don't ask how I know how accurate it was.
>>
>> Eisboch
>
> I have a Ray depthfinder on son of Yo Ho, attached to a through-hull (not
> shoot through the hull) transducer. No offset, because it actually is
> measuring the distance between the bottom of the hull and "the bottom."
>

Makes sense on a boat like yours. The Navigator's transducer was obviously
thru-hull amidships. The offset was to account for the rudders and 30"
diameter props.

Eisboch
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Short Wave Sportfishing

External


Since: Mar 09, 2008
Posts: 586



(Msg. 23) Posted: Mon Aug 18, 2008 11:43 pm
Post subject: Re: Shallow Water Depth Finders [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Mon, 18 Aug 2008 19:12:58 -0400, "Eisboch" <rce.TakeThisOut@nowhere.com> wrote:

>
>"Short Wave Sportfishing" <email.TakeThisOut@swsportsremove.org> wrote in message
>news:pdrja4hb52folg39ulorhdp4tvglsahn4g@4ax.com...
>> On Mon, 18 Aug 2008 17:37:40 -0400, DownTime <DownTime61.TakeThisOut@comcast.net>
>> wrote:
>>
>>>Tom - i am curious to know what units you are using and what is your
>>>overall satisfaction with it/them. If you were to outfit your boat
>>>again, would you pick the same one? Same manufacturer? Or completely
>>>different?
>>
>> I wouldn't buy anything other than Raymarine. I've always had good
>> service (although in the past, they had some issues, but I never
>> experienced them), quick turnaround on repairs and every time I had an
>> issue, I received solid advice from experienced technicians - which I
>> haven't need much of except for an installation that I screwed up on
>> the last Contender I owned. Strictly my fault, but they stood behind
>> the unit and replaced it with a new one.
>>
>> Raymarine - it's as simple as that. :>)
>>
>> Having said that, Furuno makes good gear as well as Si-Tex, Simrad and
>> Standard Horizon.
>>
>> It all depends on your price point.
>
>The Navigator had Raytheon (Raymarine) electronics. The depth finder was a
>dual freq unit and worked well in shallow water.
>I had an offset programmed into it, (boat's draft was 4.5') and it very
>accurately let me know just prior to going aground when it read 2.8'.

I can't get mine to read accurately at any depth under 5 feet at all.
Even with the discrimination at max and sensitivity down under 30%, I
still get false returns. As a matter of fact, I don't think I've ever
had one that would read accurately under 5 feet.

I do know that the bow unit will read accurately to four feet, but
nothing past that.

>Don't ask how I know how accurate it was.

You had to get out to use the telephone on the beach? :>)
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Eisboch

External


Since: Jan 24, 2006
Posts: 2757



(Msg. 24) Posted: Mon Aug 18, 2008 11:43 pm
Post subject: Re: Shallow Water Depth Finders [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

"Short Wave Sportfishing" <email RemoveThis @swsportsremove.org> wrote in message
news:k02ka4laapdk0ul1im3vu38vga29unl2jg@4ax.com...

> On Mon, 18 Aug 2008 19:12:58 -0400, "Eisboch" <rce RemoveThis @nowhere.com> wrote:
>
>
>>Don't ask how I know how accurate it was.
>
> You had to get out to use the telephone on the beach? :>)

Not quite. But I *did* find a handy use for a bow and stern thruster.

Eisboch
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Wayne.B

External


Since: Feb 02, 2005
Posts: 1826



(Msg. 25) Posted: Tue Aug 19, 2008 12:09 am
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Archived from groups: per prev. post (more info?)

On Mon, 18 Aug 2008 18:15:42 -0700, "Calif Bill"
<bmckeespam DeleteThis @ix.netcom.com> wrote:

>For shallow water I would look at the cheap Eagles, Humminbirds, etc. Lot
>less power. My old, really old, Humminbird did a lot better in shallow
>water than my Furuno I now have.

Yes, I've had a couple of inexpensive Hummingbirds and they've been
accurate down to 2 or 3 feet when they're working at all, not very
reliable but cheap to replace. I'm now using one on my RIB dinghy.
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Short Wave Sportfishing

External


Since: Mar 09, 2008
Posts: 586



(Msg. 26) Posted: Tue Aug 19, 2008 1:16 am
Post subject: Re: Shallow Water Depth Finders [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Mon, 18 Aug 2008 18:15:42 -0700, "Calif Bill"
<bmckeespam DeleteThis @ix.netcom.com> wrote:

>
>"Short Wave Sportfishing" <email DeleteThis @swsportsremove.org> wrote in message
>news:pdrja4hb52folg39ulorhdp4tvglsahn4g@4ax.com...
>> On Mon, 18 Aug 2008 17:37:40 -0400, DownTime <DownTime61 DeleteThis @comcast.net>
>> wrote:
>>
>>>Tom - i am curious to know what units you are using and what is your
>>>overall satisfaction with it/them. If you were to outfit your boat
>>>again, would you pick the same one? Same manufacturer? Or completely
>>>different?
>>
>> I wouldn't buy anything other than Raymarine. I've always had good
>> service (although in the past, they had some issues, but I never
>> experienced them), quick turnaround on repairs and every time I had an
>> issue, I received solid advice from experienced technicians - which I
>> haven't need much of except for an installation that I screwed up on
>> the last Contender I owned. Strictly my fault, but they stood behind
>> the unit and replaced it with a new one.
>>
>> Raymarine - it's as simple as that. :>)
>>
>> Having said that, Furuno makes good gear as well as Si-Tex, Simrad and
>> Standard Horizon.
>>
>> It all depends on your price point.
>
>For shallow water I would look at the cheap Eagles, Humminbirds, etc. Lot
>less power. My old, really old, Humminbird did a lot better in shallow
>water than my Furuno I now have.

That's a good point.
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Short Wave Sportfishing

External


Since: Mar 09, 2008
Posts: 586



(Msg. 27) Posted: Tue Aug 19, 2008 4:28 am
Post subject: Re: Shallow Water Depth Finders [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Tue, 19 Aug 2008 00:09:48 -0400, Wayne.B
<waynebatrecdotboats.RemoveThis@hotmail.com> wrote:

>On Mon, 18 Aug 2008 18:15:42 -0700, "Calif Bill"
><bmckeespam.RemoveThis@ix.netcom.com> wrote:
>
>>For shallow water I would look at the cheap Eagles, Humminbirds, etc. Lot
>>less power. My old, really old, Humminbird did a lot better in shallow
>>water than my Furuno I now have.
>
>Yes, I've had a couple of inexpensive Hummingbirds and they've been
>accurate down to 2 or 3 feet when they're working at all, not very
>reliable but cheap to replace. I'm now using one on my RIB dinghy.

Bill made a good point about signal strength - the less expensive
units are generally lower power units.

I didn't think of that.
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Calif Bill

External


Since: Jan 26, 2006
Posts: 2314



(Msg. 28) Posted: Thu Aug 21, 2008 11:07 pm
Post subject: Re: Shallow Water Depth Finders [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

"Gene Kearns" <gene.boating.DeleteThis@myworkshop.idleplay.net> wrote in message
news:48ae10c9$0$15592$834e42db@reader.greatnowhere.com...
> On Mon, 18 Aug 2008 15:16:03 -0400, hk penned the following well
> considered thoughts to the readers of rec.boats:
>
> |Short Wave Sportfishing wrote:
> |> On Mon, 18 Aug 2008 14:53:28 -0400, hk <payer33859.DeleteThis@mypacks.net> wrote:
> |>
> |>> Short Wave Sportfishing wrote:
> |>>> On Mon, 18 Aug 2008 10:34:34 -0400, DownTime <DownTime61.DeleteThis@comcast.net>
> |>>> wrote:
> |>>>
> |>>>> - Can you put two different transducers, from two different
> |>>>> manufacturers on the same stern and each will function accordingly?
> I
> |>>>> guess I am wondering of Garmin's transducer and branx X's(assuming I
> go
> |>>>> that route) might interfere with each other.
> |>>> Well, no - not on a small boat. The two signals will interfere with
> |>>> each other. Even at twenty feet or so, they will interfere - I have
> a
> |>>> transducer mounted on my trolling motor which is 21 feet away from
> the
> |>>> stern and they still interfere with each other.
> |>>>
> |>>> Has to do with the angle of the beam.
> |>>>
> |>>> With respect to shallow water performance, that's natural. Get
> within
> |>>> five feet of the bottom and the signal return will be overpowering
> and
> |>>> produce nothing but hash. Plus, if the bottom is muddy, you can get
> |>>> false returns to hard bottom. I've turned down the sensitivity on my
> |>>> Raymarine DS600 to zero and still can't get a reliable reading under
> 5
> |>>> feet.
> |>>>
> |>>> Shallow water fishing is mostly sight fishing anyway. Even in deeper
> |>>> water, depending on the species, it's mostly sight fishing.
> |>>>
> |>>> The best way to handle this situation is to set the offset for your
> |>>> draft - at least that will tell you what you are getting into shallow
> |>>> waters.
> |>>
> |>> On my previous Parker, I had a Furuno fishfinder in the cabin and a
> |>> Lowrance fishfinder mounted in the cockpit. They were wired to
> different
> |>> transducers on opposite sides of the transom. The transducers were
> |>> different frequencies. Both units worked just fine, even when both
> were
> |>> operating at the same time.
> |>>
> |>> Thus, the answer to the question of two transducers is - maybe.
> |>
> |> Um...what frequencies?
> |
> |
> |I don't remember. They were installed in 2003, and I sold that boat off
> |last year, but before installing them, I spoke with someone at Lowrance,
> |and he said the two frequencies would not interfere with each other.
>
> SWAG would be.... 50/200 kHz
>
> --
> Agent 5.00 Build 1159
> Grady-White Gulfstream, out of Oak Island, NC.
>
> Homepage
> http://pamandgene.idleplay.net/
>
> Rec.boats at Lee Yeaton's Bayguide
> http://www.thebayguide.com/rec.boats

Probably a bad SWAG. There were some 120khz units out there, and could be
used in conjunction with a 200 khz.
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Gene Kearns

External


Since: Jan 01, 2006
Posts: 1022



(Msg. 29) Posted: Fri Aug 22, 2008 8:41 am
Post subject: Re: Shallow Water Depth Finders [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Thu, 21 Aug 2008 23:07:30 -0700, Calif Bill penned the following
well considered thoughts to the readers of rec.boats:

|
|"Gene Kearns" <gene.boating RemoveThis @myworkshop.idleplay.net> wrote in message
|news:48ae10c9$0$15592$834e42db@reader.greatnowhere.com...
|> On Mon, 18 Aug 2008 15:16:03 -0400, hk penned the following well
|> considered thoughts to the readers of rec.boats:
|>
|> |Short Wave Sportfishing wrote:
|> |> On Mon, 18 Aug 2008 14:53:28 -0400, hk <payer33859 RemoveThis @mypacks.net> wrote:
|> |>
|> |>> Short Wave Sportfishing wrote:
|> |>>> On Mon, 18 Aug 2008 10:34:34 -0400, DownTime <DownTime61 RemoveThis @comcast.net>
|> |>>> wrote:
|> |>>>
|> |>>>> - Can you put two different transducers, from two different
|> |>>>> manufacturers on the same stern and each will function accordingly?
|> I
|> |>>>> guess I am wondering of Garmin's transducer and branx X's(assuming I
|> go
|> |>>>> that route) might interfere with each other.
|> |>>> Well, no - not on a small boat. The two signals will interfere with
|> |>>> each other. Even at twenty feet or so, they will interfere - I have
|> a
|> |>>> transducer mounted on my trolling motor which is 21 feet away from
|> the
|> |>>> stern and they still interfere with each other.
|> |>>>
|> |>>> Has to do with the angle of the beam.
|> |>>>
|> |>>> With respect to shallow water performance, that's natural. Get
|> within
|> |>>> five feet of the bottom and the signal return will be overpowering
|> and
|> |>>> produce nothing but hash. Plus, if the bottom is muddy, you can get
|> |>>> false returns to hard bottom. I've turned down the sensitivity on my
|> |>>> Raymarine DS600 to zero and still can't get a reliable reading under
|> 5
|> |>>> feet.
|> |>>>
|> |>>> Shallow water fishing is mostly sight fishing anyway. Even in deeper
|> |>>> water, depending on the species, it's mostly sight fishing.
|> |>>>
|> |>>> The best way to handle this situation is to set the offset for your
|> |>>> draft - at least that will tell you what you are getting into shallow
|> |>>> waters.
|> |>>
|> |>> On my previous Parker, I had a Furuno fishfinder in the cabin and a
|> |>> Lowrance fishfinder mounted in the cockpit. They were wired to
|> different
|> |>> transducers on opposite sides of the transom. The transducers were
|> |>> different frequencies. Both units worked just fine, even when both
|> were
|> |>> operating at the same time.
|> |>>
|> |>> Thus, the answer to the question of two transducers is - maybe.
|> |>
|> |> Um...what frequencies?
|> |
|> |
|> |I don't remember. They were installed in 2003, and I sold that boat off
|> |last year, but before installing them, I spoke with someone at Lowrance,
|> |and he said the two frequencies would not interfere with each other.
|>
|> SWAG would be.... 50/200 kHz
|>
|> --
|> Agent 5.00 Build 1159
|> Grady-White Gulfstream, out of Oak Island, NC.
|>
|> Homepage
|> http://pamandgene.idleplay.net/
|>
|> Rec.boats at Lee Yeaton's Bayguide
|> http://www.thebayguide.com/rec.boats
|
|Probably a bad SWAG. There were some 120khz units out there, and could be
|used in conjunction with a 200 khz.
|

I don't think so, but possibly. Those are the two most common pairs...
until recently. Now, with Furuno, you can get a unit selectable
between 28, 38, 50, 88, 107, and 200kHz).

--
Agent 5.00 Build 1159
Grady-White Gulfstream, out of Oak Island, NC.

Homepage
http://pamandgene.idleplay.net/

Rec.boats at Lee Yeaton's Bayguide
http://www.thebayguide.com/rec.boats
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