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Ais Channel News

14 Nov 2016

A Definitive Guide to AIS

Image: BigOceanData

The world of AIS can be confusing to newcomers and experienced professionals alike. What is AIS? What data does it gather? How can it help my business? Do I need AIS if I don’t have a business? Class A or Class B transponders? Do I actually need it? There’s a plethora of questions from those looking to get the most out of their tracking tools, or from those looking into entering the maritime industry. The following is a comprehensive guide to AIS that covers a wide range of topics from specific AIS units to getting the most out of the data gathered.

30 Aug 2010

Are You Inadvertently Operating on Different AIS Channel?

Image courtesy USCG

Between July 27 and August, 2010, while conducting development testing of its Nationwide Automatic Identification System (NAIS), the Coast Guard inadvertently tele-commanded most AIS users transiting the Eastern United States between lower Connecticut and North Carolina to switch to AIS frequencies other than the AIS default frequencies (161.975 MHz - Channel 87B - 2087 and 162.025 MHz - Channel 88B - 2088). As a result, those users within uniquely defined channel management regions…

08 Oct 2001

AIS: The Future is Now

The IMO deadline for fitting new ships with Automatic Identification Systems (AIS) is less than one year away. After July 1, 2002, all newbuilds over 300 grt must be equipped with an approved AIS transponder system. Leica Geosystems, one of the pioneering companies in AIS technology, recently published a 28-page book ("A Complete Guide to Automatic Identification Systems") that is loaded with useful information on AIS technology, how it works, international standards and carriage requirements. At the Norshipping exhibition in Oslo, Leica unveiled the first fully integrated GPS/DGPS/AIS shipboard system meeting all IMO, IEC and ITU equipment specifications. The following extracts are reprinted with permission from Leica Geosystems. What is AIS?