How to i convert the listed gps numbers in this site in degrees, minute, seconds, and .seconds into the format my gps uses degree minutes.mm
Hi, Anyone have any thoughts regarding low cost magnetometers? Thinking about a tow fish situation to map areas around several islands. THX
Anyone interested in my Klein 595 Side Scan system? It can go for $5000. Very complete with only 400 hours on it. Moving soon so let me kn
The way the drawing shows the gears it would just go around in circles counterclockwise, what is the real gear pattern?
Looking to purchase a used towable side scan sonar
Jim, I wrote to you previously on the eBay site concerning sub-bottom profilers. I have more questions if you have the time. Brad?
Would like to talk to you?
I am wondering if i can use sonar in a cave , in a submerged part of the cave ,any suggestions?
The National Museum of the Great Lakes is excited to announce the release of a new book titled Shipwrecks of Lake Ontario: A Journey of Discovery. This book contains stories of long lost shipwrecks and the journeys of the underwater explorers who found them, written by Jim Kennard with paintings by Roland Stevens and underwater imagery by Roger Pawlowski.
The recent discovery of the wreck of the British warship Ontario, “the Holy Grail” of Great Lakes shipwrecks, solves several mysteries that have puzzled historians since the ship sank more than two centuries ago. Now, for the first time, the whole tragic story of the Ontario can finally be told.