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We compared digital terrain models (DTM) derived from airborne lidar data from a mountainous region of the Atlantic Forest in Brazil to 35 ground control points measured with survey grade GNSS receivers.
On all plots, the plot center coordinates were determined by means of combined differential global positioning system (GPS) and global navigation satellite system (GLONASS) using a 40-channel dual frequency survey grade receiver as field unit.
All that data comes from an army of 300-400 volunthats that follow the action on the golf course using survey grade lasers and handheld devices to record every move each player makes on the golf course and that data is sent in real-time to the PGA TOUR ShotLink truck.
The quality of DEMs and DSMs produced using the SfM method using UAV is traditionally done using the RMSE (Root Mean Square Error) method, which is assessed using known points on the ground, which are calculated either using laser technologies such as the terrestrial laser scanner (Obanawa et al., 2014) or Survey Grade Global Navigational Sattelite System (Turner et al., 2015).
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The survey grades countries according to such factors as how long it takes to set up a new business or enforce a contract in court.
The authors of a study based on the survey, "Grading Grown-Ups: American Adults Report on Their Real Relationships with Kids," say that one reason underlying adults' shyness is age-old and rooted in the disconnect between the generations.
With the nation's highest rate of voter participation -- 68 percent in presidential elections and 56percentt in off-years -- Minnesota was one of only two states to receive A's in a recent national survey grading election procedures, and state officials are anxious to avoid a reprise of the Florida debacle.
Mutual Fund Guide 09.01.05 Our semiannual mutual fund survey grades the performance of 2,500 U.S. and non-U.S.
Within each participating school, all students in the survey grades were eligible to participate.
The response rate for the elementary school survey (grades three through six) was 71.0%.
The costs for surveying grade scanners can range over an order of magnitude, from tens of thousands to hundreds of thousands of dollars.
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