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Mark adds two new sites to the GTA Dive list

Two new sites added to the Toronto Area Shore Diving Map! https://www.google.com/maps/d/viewer… The Marine Railway at Jackson’s Point. As a site, it’s pretty meh. Barely hit 15 feet, although if you swim straight out from shore you might be able to hit 20. The main attraction is the historic marine railway, one of the only … Read more

Newhorizons.pro joins the Team

The season is off and running with no time to waste, and the upcoming weekend looks fantastic! There’s no better time than now to gear up and dive in. At SLD, we encourage you to dive, document, and report your dive conditions to our community. Your contributions help keep everyone informed and engaged. Diving requires … Read more

Mark on CBC Radio – Aired: May 23, 2024

Ontario Morning tells you what’s happening in your world — whether it’s down the road or around the globe. Get the latest national and international news on World Report and local newscasts on the half-hour. Mark Truezki had a chance to visit a piece of Fenelon Falls history deep below the surface of the river. … Read more

Dan presents to the Clayton Dive Community in New York

On Saturday May 18th I was able to give a presentation to members of our 1000 Islands community on who we are here at shotlinediving.com and what we are doing everyday to locate, document, and preserve the information and history of our wrecks throughout the Great Lakes and Saint Lawrence River. Other important presentation about … Read more

Latest Team Member Bob Sherwood – All About Scuba Alexandria Bay

I am delighted to announce the newest addition to our Shotline Diving team: Bob Sherwood! Bob comes to us with a wealth of experience and a strong commitment to the diving community, making him an invaluable asset to our endeavors. For those who may not be acquainted with Bob, he is the driving force behind … Read more

Diving into Underwater Photogrammetry: A Beginner’s Guide

Photogrammetry, a technique initially developed for aerial and terrestrial mapping, has now extended its capabilities beneath the waves. However, mapping underwater presents unique challenges due to factors such as inconsistent lighting, refractive index changes, and limited penetration of certain wavelengths.