BRIGHT, CONFUSING LIGHTS punctuated the southwestern skyline as Serafin, a Liberty 458, exited the Panama Canal en route to Tahiti. Her crew’s attention was riveted to all four horizons. ¶ “There were hundreds of ships ahead — it looked like a city,” says Jeff Robbins, co-founder of Vesper Marine, who, along with his wife, Deirdre Schleigh, was on board in May 2007 with Serafin’s owner. ¶ Fortunately, Robbins had spent the previous two years cruising New Zealand aboard his Nordic 40, Vesper, and developing a stand-alone, black-box device that could receive Class A signals from the automatic information system transponders that commercial ships carry. Those AIS signals display each ship’s range, bearing and crossing information. Robbins’ box, likely the world’s first recreational-level AIS device, employed algorithms to help sift through…