GPS This software is developed to simplify the usage of maps in combination with a GPS Receiver.
42nd Brighton (Saltdean) Scout Group from South Essex in the UK will literally
"show" you the why's and how's of knots!
Or give Roper's
Knots a try, an awarding winning site, a member of the International
Guild of Knot Tyers and yes, there is Knot News!
Knotes, learn to tie knots in spaghetti
|Notable Knot Index,
with tips for untying jammed
|A fathom is 6 feet, the length of rope a man can extend from open arm to open arm. The rope was lowered into the sea to measure depth.
A cable length is the length of a ship's cable, about 600 feet.
A nautical mile is 10 cable lengths, or 6,076 feet.
1 nautical mile = 1.1515 miles
A knot is the measure of speed on water. One knot is 1 nautical mile per hour.
nautical mile is 6,076 feet.
Charts will help you figure out those pesky measurements! (If I
can understand them, so can you!)
Greenwich Prime Meridian The line in Greenwich represents the Prime Meridian of the World - Longitude 0º. Every place on Earth is measured in terms of its distance east or west from this line. The line itself divides the eastern and western hemispheres of the Earth - just as the Equator divides the northern and southern hemispheres.
or Global Positioning System is a position determining
system based on transmission and location pinpointing made by
tracking several satellite transmissions at one point on the
earth. The Global
Positioning Overview explains....
you ever taken a navigation class or are you planning to take one?
If so, you need the Coastal
Navigation Tool. No more frustrating formulas to remember
like "East is Least" or "True Virtue Makes Dull Company" or when to Add
- when to Subtract. Now with the turn of only two dials, you can
make Corrections of Variation and/or Deviation and find the Correct Course
to Steer instantly.