Archive | Navigation

A GLONASS system satellite

GLONASS satellite navigation network disrupted this week

Russia’s GPS-alternative satellite positioning system, GLONASS, was hit by a major disruption earlier this week according to PC Magazine (thanks to Captain Richard Rodriguez at Bitter End for the link). Beginning at 5 p.m. Eastern on Tuesday, most of the 24 satellites in the GLONASS constellation began broadcasting erroneous data about their own positions, leading [...]

Continue Reading
Sea lions laying on a VTS separation buoy

Synthetic AIS coming to Puget Sound

Is this the beginning of the drone wars? Is the Singularity, a theoretical mass awakening of machine intelligence arising in our networked computers to revolt against us, now upon us? Probably not, but artificial AIS (Automatic Identification System) beacons are coming to Puget Sound soon, in a big way. The most recent Coast Guard District [...]

Continue Reading
An 1854 chart of the San Juan Islands

NOAA PDF Charts to remain free and available

NOAA (the National Oceanic and Atmospheric Association) announced Friday that it plans to continue to make available the freely downloadable electronic PDF (Portable Document Format) versions of its nautical charts, the successful culmination of a three-month trial period begun in November, 2013. A list of available charts, with links to the PDF versions, can be [...]

Continue Reading
Raymarine c95 multifunction display

State of the art: Electronic navigation

(Note: All the shiny gadgets and gizmos at the recent Seattle Boat Show got us thinking about the state of the art in marine electronics. This is part two of a three part series on how new and cheap electronics are changing the cruising lifestyle and tools of choice for communicating, navigating, and safety) Sailors [...]

Continue Reading

Satellite communications for cruisers

While satellite communications Big Daddy Inmarsat was the big story at the Pacific Marine Expo late last year, the recreational market served by the Seattle Boat Show has more examples from a new, upstart competitor in the satellite services market: Globalstar. S3 Maritime, located on the upper concourse at the show, has the full range [...]

Continue Reading

Skol!