Author : Francis

From 2009 independent IT trainer and consultant for boating. Translator of several navigation apps on iOS and MacOS. Professional in boating for over 30 years old, I dispense from training to applications as well as advice and assistance for the integration of mobile devices (tablets, smartphones) on board pleasure boats.

iPadOS 26.2 and multi-window management.

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From iOS 11 until iPadOS 18.7.x you could use the “SplitView” function (¹) to view two apps running simultaneously on an iPad. It was particularly interesting in “landscape” mode for, in example, use Weather4D at the same time as consulting the User Manual and watching its videos, or even activate two different applications. Since version 26.x has arrived the multi-tasking mode (²), or multiwindow, macOS style, which consigns SplitView to oblivion. Latest update 26.2 further improves operation by correcting some minor flaws. Read more …

Update of SHOM 4Q2025 maps at Geogarage

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Catalog update SHOM charts France / DOM-TOM and dependencies by Geogarage for NavimetriX, Weather4D Routage & Navigation, SailGrib WR

  • 239 charts updated (dont 6 new editions) and 2 new charts added
  • 1 Map deleted replaced.

The catalog includes 866 charts (1432 with the inserts)

All international cards have been removed and will not be replaced by SHOM (See the information of the GeoGarage blog). However, they continue to be present in the database (but will no longer be updated from their last version).

In-situ weather data to support forecasts in NavimetriX

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Weather and ocean data In-situ are observational data broadcast in real time, or quasi-real, from different sources : semaphores, ships at sea, fixed or drifting buoys, airports, and also specialized satellites. This data is available as open data to the general public and also for reuse by the economic sphere.. The new NavimetriX application allows you to display this data to complete the forecasts of models distributed in GRIB format. Read more …

Get Weather Forecast with Satphone at Sea [MAY V.2.3]

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Update 2.3 (November 2025) of the guide Get Weather Forecast with Satphone at Sea French version.

  • Removing Iridium Mail&Web app (*)
  • Alternative apps
  • Updated Starlink conditions and services as of November 1 2025.

 

[ADDENDUM] After a long and bitter battle with Apple, the process of updating works has finally been corrected in iTunes Connect and the version 2.3 is finally available for download. However the version number is still not implemented (except on the pages of the book).

Read more …

THE U.S. Navy returns to sextant

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In the age of AI, dual-band GNSS and inertial units, the U. S. Navy returns to good old fundamentals by encouraging its sailors to practice celestial navigation. To prevent jamming, spoofing, or even a hypothetical total electronic blackout, US Navy commanding officers and navigators must master the dead reckoning and handling of the sextant. Excerpt from an article from U.S. Naval Institute freely translated and adapted (¹). Read more …

NavimetriX, universal navigation

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NavimetriX is the world's first navigation application featuring a unified, cross-system 3D GUI, synchronized in real time across all devices.

The new navigation and weather-routing application NavimetriX was just published. Result of long development work, this application revolutionizes navigation on mobile as well as fixed devices with its universality. It indeed offers a unique user interface, with elaborate graphics, for all operating systems : macOS, iOS/iPadOS, Android and Windows. In addition, regardless of the devices used, a single account allows full settings and data synchronization . Read more …