Yearly Archive: 2008

Class B AIS, the name game 12

Class B AIS, the name game

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This weekend I’m working on a PMY column about Class B AIS, and now have three transponders up and running, which you’ll hear about it. But I also went over my notes and audio recording…

Class B installs #1, Brookhouse solution 5

Class B installs #1, Brookhouse solution

Brookhouse AIS B transponder solution

A nice thing about Class B AIS transponders, I think, is that by regulation they include a GPS and thus they deliver “own vessel position” along with AIS target info to whatever displays they feed. But that can present an issue if…

AIS Class B, really on the map 6

AIS Class B, really on the map

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Check the stats! They indicate that at one moment earlier today one particular network of AIS coastal receivers was seeing 763 AIS Class A transponders from scattered towers around the U.S.  And one Class B.  Guess whose 5 meter pleasure (and electronics testing) vessel that was?

The Wizard, prize-worthy antenna magic? 33

The Wizard, prize-worthy antenna magic?

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How about a 5” square “multi-band bisynchronous simultaneous reception and transmission ” antenna that doesn’t need to be mast-mounted and can handle frequencies from AM and shortwave through FM and VHF and up into cellular, GPS, sat phones, and WiFi…three radios at once?!?