Shearwater Changes Its Default Gradient Factors
“Shearwater Moves to 50/70 Gradient Factors: DepthPlanner’s DiveCommand Has Used It From Day One.” Sep 30, 2026 · @scott fontecchio
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From Pressure Groups to Percentages: The Story of the Algorithm Inside Your Dive Computer
*Published by DiveRobotix LLC · DiveCommand · DepthPlanner.com* — Your Shearwater Perdix is running a piece of mathematics that was
Why Altitude Dive Planning Needs Real Physics — Not a Correction Factor
Most altitude-dive planning tools treat a mountain lake as if it were a deeper ocean. They take your sea-level tables,
The Standard Tools Assume You’re at Sea Level
Most divers who plan a trip to Lake Tahoe are experienced. They’ve logged dozens or hundreds of dives. They own
The Most Dangerous Mistake Looks Professional Until It Isn’t
In over 40 years of commercial diving and salvage experience, the most dangerous mistakes are rarely made by careless divers.
Your Dive Computer Reacts. A Dive Planner Prepares.
When you’re underwater at depth, it’s too late to make adjustments. That’s the reality every experienced dive instructor knows —