The Full Wiki

More info on Geodetic system

Geodetic system: Quiz

Advertisements
  
  

Question 1: Horizontal datums are used for describing a point on the ________'s surface, in latitude and longitude or another coordinate system.
MoonEarthNatureSun

Question 2: The ________ datum, which is almost identical to the NAD83 datum used in North America, is a common standard datum.
LongitudeWorld Geodetic SystemGlobal Positioning SystemGeodesy

Question 3: Vertical data are either tidal, based on sea levels, gravimetric, based on a ________, or geodetic, based on the same ellipsoid models of the earth used for computing horizontal datums.
GeodesyGeoidPhysical geodesyWorld Geodetic System

Question 4: The main reason that there are a number of datums is that before the advent of ________ positioning, national map making organizations did not have a common surveying reference point and only produced maps for their locality.
Inertial navigation systemGlobal Positioning SystemCompassF-15 Eagle

Question 5: ________, 72, 64 and 60 of the World Geodetic System
Global Positioning SystemGeodesyLongitudeWorld Geodetic System

Question 6: The North Pole, South Pole and ________ may be assumed to be in different positions on different datums, so True North may be very slightly different.
1st parallel northEquator5th parallel north1st parallel south

Question 7: The systems are needed because the ________ is not a perfect sphere.
SunMoonNatureEarth

Question 8: In common usage, elevations are often cited in height above ________; this is a widely used tidal datum.
Physical oceanographyThermohaline circulationCurrent sea level riseSea level

Question 9: OSGB36 of the Ordnance Survey of ________
Great BritainScotlandEnglandUnited Kingdom

Question 10: In surveying and ________, a datum is a reference point or surface against which position measurements are made, and an associated model of the shape of the earth for computing positions.
GeologyLongitudeWorld Geodetic SystemGeodesy







Advertisements









Got something to say? Make a comment.
Your name
Your email address
Message