A few years ago, choosing a GNSS module was simple: almost everything on the market received the L1 band, and the main question was price. In 2026, that has changed. Dual-band L1/L5 modules are now available in tiny packages for trackers and IoT devices. In March 2026, for example, Telit Cinterion launched a dual-band module in the same 7 × 7 mm footprint as its single-band version.
So...
For decades, skippers have treated the position on their screen as a simple fact. In 2026, that habit has become a risk. Interference with satellite navigation is now a daily reality in several sea areas, and it affects far more than large commercial ships. Any boat, workboat or tracking system that depends on a marine GPS receiver can be misled, sometimes obviously and sometimes without any...
