Panbo News and Reviews

Adveto advanced AIS presentation, & more 3

Adveto advanced AIS presentation, & more

  The animation above shows how AIS system data can be used to predict a vessel’s future track, even “bottom sweep”—in this case 2 minutes ahead of its actual position, speed, rate of turn, etc. It’s...

Sail performance software, free 0

Sail performance software, free

Above is output from a free program developed in France called GPSActionRelay. It is written in Java, and will suppossedly run on any operating system. Features include replay of several boats in a regatta, polar...

Humminbird side scanning, as good as it looks? 2

Humminbird side scanning, as good as it looks?

Last week I mentioned (relatively) inexpensive side scanning sonar, and here’s what I’m talking about. This 7” diagonal Humminbird 981c, which retails at about $1,650, is a conventional 750 watt dual frequency (50/200kHz) fishfinder that’s also...

Safe Pass plotting, why not? 4

Safe Pass plotting, why not?

Fred Pot showed me a really interesting new concept in target plotting that was developed at a Dutch maritime school. Currently many plotters/PCs and radars can automatically use ARPA and/or AIS info to calculate the CPA (Closest Point of...

Merrimac, finally the true story 3

Merrimac, finally the true story

Above is the yacht Merrimac supposedly just days after fetching up on Sable Island’s notorious “swallowing sands” in 1999. The dramatic pictures (another here) started kicking around on the Web years ago, and I first saw them referenced...

Fred Pot, AIS man 8

Fred Pot, AIS man

It was an honor to be visited by Fred Pot last week. Fred is a Dutch marine engineer and consultant who’s been involved in AIS from the beginning. He currently lives on the West Coast, represents...