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Sep 11, 2026A nearest-neighbour matcher turned a timing lag into a fake direction bug
TL;DR — If your comparison against golden data matches each expected event to the nearest computed...
Sep 11, 202610 min read0 reactions0 comments
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#marine
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Aug 31, 2026A current station's coordinate is a label, not the hydraulic control
TL;DR — A published tide or current station coordinate is an identifier for the place, not a...
Aug 31, 202612 min read0 reactions0 comments
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Aug 26, 2026Drop the vendor station ID: licensing as a data-model constraint
TL;DR — @sailingnaturali/station-corrections 2.0.0 deleted providerId, the one field in a public MIT...
Aug 26, 202611 min read0 reactions0 comments
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Aug 25, 2026A tidal gate with no current station: deriving slack from a tide port
TL;DR — Some tidal gates have no current station at all: the published knowledge is "slack is the...
Aug 25, 202611 min read0 reactions0 comments
Engineering a Door That Has to Hold the Sea Out AND Open on Command
Move the Heavy Steel. Keep the Sea Out. A ship's watertight door is a contradiction that...
Aug 21, 20264 min read0 reactions0 comments
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Aug 11, 2026Porting a tide engine to Swift with the original as the test oracle
TL;DR — Porting numeric code by hand and eyeballing the output is how you ship plausible-looking...
Aug 11, 20269 min read0 reactions0 comments
Saturation Diving Systems: PVHO Pressure Vessels, Gas Management, and the Life-Support Loop
Hyperbaric and Saturation Diving Systems: Keeping People Alive at Pressures the Sea Would...
Aug 14, 20265 min read0 reactions0 comments
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Aug 13, 2026Tide predictions read higher than the tables? Suspect the datum
TL;DR — If a harmonic tide prediction disagrees with the official tide tables by a constant offset...
Aug 13, 20267 min read0 reactions0 comments
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Aug 12, 2026Shipping Canadian CHS station data without redistributing the licensed file
TL;DR — US tide/current station data (NOAA) is public domain and you can bundle it into anything....
Aug 12, 202611 min read0 reactions0 comments
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Aug 4, 2026The NMEA 2000 paradox has an open-source answer
Galvanic Works published The NMEA 2000 Paradox — a sharp problem statement about why boats drowning...
Aug 4, 20265 min read0 reactions0 comments
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Aug 10, 2026Marine Geophysical and Geotechnical Survey in Nigeria - Geoalliance Limited
Marine Geophysical and Geotechnical Survey in Nigeria plays an important role in offshore...
Aug 10, 20261 min read0 reactions0 comments
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Aug 10, 2026Marine Geophysical and Geotechnical Survey in Nigeria - Geoalliance Limited
Marine Geophysical and Geotechnical Survey in Nigeria plays an important role in offshore...
Aug 10, 20261 min read0 reactions0 comments