My Ray/Airmar stuff reads to 600, then reads a random number. In the Gulf Stream it must read thermal layers.
Joel On Wed, Feb 22, 2017 at 10:59 AM, Della Barba, Joe via CnC-List < cnc-list@cnc-list.com> wrote: > I sold a ton of Raytheon stuff back in the day that was supposed to read > down to between 600 and 1500 feet. Modern combination GPS/fishfinder units > should easily see 600 feet and some can pass 10,000 feet. > > Fishermen use these depth ranges. For sailing strictly to keep off a > sandbar, the first 100 feet are important. I use a Standard Horizon DS41 > unit that fits in a 2” hole and can forward NMEA data. In theory it reads > 2-600 feet, but given my old transducer I have no idea if I could actually > see that far. Offshore at night we used to see thermoclines and other stuff > that looked like it was 300-400 feet deep. > > Joe > > Coquina > > > > *From:* CnC-List [mailto:cnc-list-boun...@cnc-list.com] *On Behalf Of *Matthew > L. Wolford via CnC-List > *Sent:* Wednesday, February 22, 2017 10:18 > *To:* cnc-list@cnc-list.com > *Cc:* Matthew L. Wolford <wolf...@erie.net> > > *Subject:* Re: Stus-List New sonar transducer > > > > I wondered that, too. I generally worry about less than 20 feet. > > > > *From:* Rick Brass via CnC-List <cnc-list@cnc-list.com> > > *Sent:* Wednesday, February 22, 2017 10:09 AM > > *To:* cnc-list@cnc-list.com > > *Cc:* Rick Brass <rickbr...@earthlink.net> > > *Subject:* Re: Stus-List New sonar transducer > > > > Jeremy; > > > > In 24 years of keelboat ownership, covering several boats and several > iterations of sounders and plotter/sounders from Raymarine, Garmin, > Lawrence, and Standard Horizon, I don’t recall ever having a sounder that > would work for depths over 200 feet. I suspect there are “professional” > units that will do it, but also suspect they are more expensive than the > units we would buy for our recreational boats. > > > > Maybe Fred Street can weigh in on what would be needed for greater depth. > > > > But my question is” Why do you need depths over 200 ft.?” > > > > Rick Brass > > Washington, NC > > > > > > *From:* CnC-List [mailto:cnc-list-boun...@cnc-list.com > <cnc-list-boun...@cnc-list.com>] *On Behalf Of *Jeremy Ralph via CnC-List > *Sent:* Wednesday, February 22, 2017 12:06 AM > *To:* cnc-list@cnc-list.com > *Cc:* Jeremy Ralph <jeremy.ra...@gmail.com> > *Subject:* Stus-List New sonar transducer > > > > Planning to install new thru hull transducer when I haul the boat in the > coming weeks. Trying to decide on: i) a simple depth only display, or ii) > a more elaborate chart plotter with depth. > > > > For chart and depth, I currently use my iPhone in a waterproof case on a > RAM mount. Navionics for charts and for depth a SonarPhone TBox with an > in-hull transducer. This works fine for my purposes but it would be good > to have redundancy and something that works for deeper depths (>200ft). > > > > Any recommendations? > > > > Thanks, > > Jeremy > > > > > > > ------------------------------ > > _______________________________________________ > > This list is supported by the generous donations of our members. If you > wish to make a contribution to offset our costs, please go to: > https://www.paypal.me/stumurray > > All Contributions are greatly appreciated! > > _______________________________________________ > > This list is supported by the generous donations of our members. If you > wish to make a contribution to offset our costs, please go to: > https://www.paypal.me/stumurray > > All Contributions are greatly appreciated! > > -- Joel 301 541 8551
_______________________________________________ This list is supported by the generous donations of our members. If you wish to make a contribution to offset our costs, please go to: https://www.paypal.me/stumurray All Contributions are greatly appreciated!
