The water-resistant handheld Bad Elf GPS Pro is an Apple-approved accessory that connects as many as five iPod Touches, iPhones or iPads to share GPS data for display on digital charts and compatible marine apps via satellite — anywhere in the world.
Locking on to as many as 15 satellites, it supplies GPS data as often as 10 times a second that’s accurate to within 9 feet, according to the manufacturer. MSRP is $179.99. Bad Elf, East Hartford, Conn., (401) 965-6041. www.bad-elf.com
June 2013 issue