GPS Terms and Definitions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
---|---|---|---|---|---|
GPS | GPS (Global Positioning System) is a navigation technology that provides precise time and location anywhere, anytime and under any atmospheric conditions, by using the NAVSTAR satellites.
🗑
|
||||
Waypoint | A waypoint is a saved set of co-ordinates
🗑
|
||||
Track | The direction you are moving in. Also called a Heading.
🗑
|
||||
Route | A series of one or more waypoints.
🗑
|
||||
Bearing | The direction from where you are to where you want to go (GOTO)
🗑
|
||||
GOTO | GPS feature to plot the bearing and distance to some waypoint. Careful...this is a straight line and doesn't necessarily indicate the best route to take.
🗑
|
||||
WAAS | Wide Area Augmentation Service - available in newer GPS's. Improves positional accuracy.
🗑
|
||||
DGPS | Differential GPS - A technique for improving gps solution accuracy
🗑
|
||||
Selective Availability | A process that allows the DoD to limit the accuracy available to GPS users
🗑
|
||||
Spoofing | The deliberate transmission of fake signals to fool a GPS receiver
🗑
|
||||
WGS-84 | World Geodetic System of 1984. a reference system for global navigation and measurement. Used by the NAVSTAR GPS system
🗑
|
||||
Arc second | 1/60 of an arc minute
🗑
|
||||
Arc minute | 1/60 of a degree
🗑
|
||||
Statute Mile | A unit of distance equal to 5280 feet. It is sometimes referred to as a land mile (1.609 km)
🗑
|
||||
Nautical Mile | A unit of length used in marine navigation that is equal to 1 arc minute of a great circle on a sphere. One international nautical mile is equivalent to 1,852 meters or 1.151 statue miles
🗑
|
||||
ETA | Estimated Time of Arrival (when you will get there)
🗑
|
||||
ETE | Estimated Time Enroute (how long before you get there)
🗑
|
||||
Latitude | an imaginary line around the Earth parallel to the equator
🗑
|
||||
Longitude | Measurement east or west of the prime meridian in degrees, minutes and seconds
🗑
|
||||
Prime Meridian | An imaginary line running from north to south through Greenwich, England, used to measure longitude. The prime meridian is at zero degrees longitude
🗑
|
||||
Greenwich Meridian | same as Prime Meridian
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
wths-scioly
Popular Miscellaneous sets