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900 MHz RTK—Base Station Setup
DK01672,0000209 -19-01DEC11-2/3
DK01672,0000209 -19-01DEC11-3/3
When selecting a base station location, there are three
main points to look for: rigidity, good view of the sky,
and few reective objects. The base station provides
corrections to the vehicle receiver based on the xed
known position which is surveyed in with an absolute
survey or quick survey. Any motion of the base station
receiver will translate directly to the vehicle position.
Mount the base station on a rigid structure, such as the
pole in the photo. When mounting on a structure such as
a building, the receiver should generally be installed 2
meters above the highest point.
PC12104 —UN—03JUN09
Receiver on Rigid Pole
PC12105 —UN—03JUN09
Receiver on Radio Tower
PC12106 —UN—03JUN09
Receiver Next to Trees
Since GPS satellites orbit the earth, the base station
needs to have a clear view of the sky in all directions
above a 5 degree mask angle. Base stations with a good
view of the sky are much more reliable than those with
shading. Installing the receiver on the side of radio towers
or next to trees is not recommended.
20-7
121511
PN=15