Digital Yacht has developed a new, low cost navigation device for use with Apple's popular range of mobile products. Called iAIS, it wirelessly links a boat's navigation data to the Apple iPhone, iPad or iTouch. It also incorporates a highly sophisticated, dual channel Automatic Identification System (AIS) receiver allowing compatible "apps" access to NMEA instrument, GPS and AIS data. iAIS, which helps boaters identify other vessels that are equipped with an AIS transponder, communicates with the Apple devices via a WiFi interface. iPad and iPhone users simply turn on their device to wirelessly connect to the iAIS hot spot. No connection to the internet is needed and there are no cumbersome cables to connect. The AIS data (which brings information such as position, name, call sign, MMSI number, course and speed of other ships) then becomes available for any compatible application. This information is essential in alerting boaters to others in close proximity and can help calculate if paths are likely to cross and how soon. AIS is an essential piece of kit that enthusiasts and professionals alike will not set sail without, as it is proving to be key in collision avoidance. iAIS also multiplexes any other NMEA data that is available on board the boat - for instance GPS, depth, speed, wind etc. All of this information is combined with the AIS data into the wireless feed. Some users have complained that the GPS devices incorporated into the iPhone and iPad suffer from jitter ...
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