iPad sailing: Pip Hare's top tips on using your tablet to navigate
Amazon.com: Bingfu Vehicle Waterproof Active GPS Navigation Antenna with SMA Male Connector for Car Stereo Head Unit GPS Navigation System Module Truck Marine Boat GPS Tracker Locator Real Time Tracking : Electronics
Dual Electronics XGPS190 ADS-B GPS for iPad and Android
Garmin GPSMAP® 922 | Marine GPS Chartplotter
Replacing a defective GPS antenna - Digital Yacht News
How to use a tablet or smart phone as a chartplotter
AIS Transponder with VHF Radio, Splitter & WiFi - Digital Yacht