Sailing Navigation Secrets - When Will You Sight That Light on the Horizon? 2016533728762299155

หนูน้อยตามหาจิ้งจก ก่อนชี้ไปที่ทะเบียน จยย ซ้ำๆ ลั่นชัดให้แม่ซื้อเลขนี้

You have been underway for days. It's 2am and you are on watch in the blackest of nights, straining through binoculars to pick up the blink of the light ahead that marks the channel entrance. Your nautical GPS chart plotter says that it's visible from 18 miles away. Now you are 16 miles away--according to the electronics. And still no light!
from: http://ezinearticles.com/?Sailing-Navigation-Secrets---When-Will-You-Sight-That-Light-on-the-Horizon?&id=4519891